[44] | 1 | /*******************************************************************************
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| 2 | * ruthsarian_utilities.js : 2008.01.22
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| 3 | * -----------------------------------------------------------------------------
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| 4 | * A group of useful JavaScript utilities that can aid in the development
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| 5 | * of webpages. Credit and source of code is given before each set of
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| 6 | * functions.
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| 7 | *******************************************************************************/
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| 8 |
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| 9 | /* event_attach() takes care of attaching event handlers (functions) to events.
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| 10 | * this simplifies the process of attaching multiple handlers to a single event
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| 11 | *
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| 12 | * NOTE: the onload stack is executed in a LIFO manner to mimic
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| 13 | * IE's window.attachEvent function. However, Opera also has its own
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| 14 | * window.attachEvent function which executes the onload stack in a
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| 15 | * FIFO manner. FIFO is better, but IE has a larger user base, so
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| 16 | * LIFO is the way we go.
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| 17 | */
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| 18 | function event_attach( event , func )
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| 19 | {
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| 20 | if ( window.attachEvent )
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| 21 | {
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| 22 | window.attachEvent( event , func );
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| 23 | }
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| 24 | else
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| 25 | {
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| 26 | if ( ( typeof( func ) ).toLowerCase() != 'function' )
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| 27 | {
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| 28 | return;
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| 29 | }
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| 30 | if ( ( typeof( document.event_handlers ) ).toLowerCase() == 'undefined' )
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| 31 | {
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| 32 | document.event_handlers = new Array();
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| 33 | }
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| 34 | if ( ( typeof( document.event_handlers[ event ] ) ).toLowerCase() == 'undefined' )
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| 35 | {
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| 36 | document.event_handlers[ event ] = new Array();
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| 37 | }
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| 38 | if ( ( typeof( eval( 'window.' + event ) ) ).toLowerCase() != 'function' )
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| 39 | {
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| 40 | eval( 'window.' + event + ' = function () { if ( ( typeof( document.event_handlers[ \'' + event + '\' ] ) ).toLowerCase() != \'undefined\' ) { for ( i = document.event_handlers[ \'' + event + '\' ].length - 1 ; i >= 0 ; i-- ) { document.event_handlers[ \'' + event + '\' ][ i ](); } } } ' );
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| 41 | }
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| 42 | document.event_handlers[ event ][ document.event_handlers[ event ].length ] = func;
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| 43 | }
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| 44 | }
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| 45 |
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| 46 | /* Browser Detect v2.1.6
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| 47 | * documentation: http://www.dithered.com/javascript/browser_detect/index.html
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| 48 | * license: http://creativecommons.org/licenses/by/1.0/
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| 49 | * code by Chris Nott (chris[at]dithered[dot]com)
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| 50 | *
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| 51 | * modified to include Dreamcast
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| 52 | */
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| 53 | function browser_detect()
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| 54 | {
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| 55 | var ua = navigator.userAgent.toLowerCase();
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| 56 | this.isGecko = (ua.indexOf('gecko') != -1 && ua.indexOf('safari') == -1);
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| 57 | this.isAppleWebKit = (ua.indexOf('applewebkit') != -1);
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| 58 | this.isKonqueror = (ua.indexOf('konqueror') != -1);
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| 59 | this.isSafari = (ua.indexOf('safari') != - 1);
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| 60 | this.isOmniweb = (ua.indexOf('omniweb') != - 1);
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| 61 | this.isDreamcast = (ua.indexOf("dreamcast") != -1);
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| 62 | this.isOpera = (ua.indexOf('opera') != -1);
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| 63 | this.isIcab = (ua.indexOf('icab') != -1);
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| 64 | this.isAol = (ua.indexOf('aol') != -1);
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| 65 | this.isIE = (ua.indexOf('msie') != -1 && !this.isOpera && (ua.indexOf('webtv') == -1));
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| 66 | this.isMozilla = (this.isGecko && ua.indexOf('gecko/') + 14 == ua.length);
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| 67 | this.isFirebird = (ua.indexOf('firebird/') != -1);
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| 68 | this.isNS = ((this.isGecko) ? (ua.indexOf('netscape') != -1) : ((ua.indexOf('mozilla') != -1) && !this.isOpera && !this.isSafari && (ua.indexOf('spoofer') == -1) && (ua.indexOf('compatible') == -1) && (ua.indexOf('webtv') == -1) && (ua.indexOf('hotjava') == -1)));
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| 69 | this.isIECompatible = ((ua.indexOf('msie') != -1) && !this.isIE);
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| 70 | this.isNSCompatible = ((ua.indexOf('mozilla') != -1) && !this.isNS && !this.isMozilla);
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| 71 | this.geckoVersion = ((this.isGecko) ? ua.substring((ua.lastIndexOf('gecko/') + 6), (ua.lastIndexOf('gecko/') + 14)) : -1);
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| 72 | this.equivalentMozilla = ((this.isGecko) ? parseFloat(ua.substring(ua.indexOf('rv:') + 3)) : -1);
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| 73 | this.appleWebKitVersion = ((this.isAppleWebKit) ? parseFloat(ua.substring(ua.indexOf('applewebkit/') + 12)) : -1);
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| 74 | this.versionMinor = parseFloat(navigator.appVersion);
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| 75 | if (this.isGecko && !this.isMozilla) {
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| 76 | this.versionMinor = parseFloat(ua.substring(ua.indexOf('/', ua.indexOf('gecko/') + 6) + 1));
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| 77 | }
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| 78 | else if (this.isMozilla) {
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| 79 | this.versionMinor = parseFloat(ua.substring(ua.indexOf('rv:') + 3));
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| 80 | }
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| 81 | else if (this.isIE && this.versionMinor >= 4) {
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| 82 | this.versionMinor = parseFloat(ua.substring(ua.indexOf('msie ') + 5));
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| 83 | }
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| 84 | else if (this.isKonqueror) {
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| 85 | this.versionMinor = parseFloat(ua.substring(ua.indexOf('konqueror/') + 10));
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| 86 | }
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| 87 | else if (this.isSafari) {
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| 88 | this.versionMinor = parseFloat(ua.substring(ua.lastIndexOf('safari/') + 7));
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| 89 | }
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| 90 | else if (this.isOmniweb) {
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| 91 | this.versionMinor = parseFloat(ua.substring(ua.lastIndexOf('omniweb/') + 8));
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| 92 | }
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| 93 | else if (this.isOpera) {
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| 94 | this.versionMinor = parseFloat(ua.substring(ua.indexOf('opera') + 6));
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| 95 | }
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| 96 | else if (this.isIcab) {
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| 97 | this.versionMinor = parseFloat(ua.substring(ua.indexOf('icab') + 5));
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| 98 | }
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| 99 | this.versionMajor = parseInt(this.versionMinor);
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| 100 | this.isDOM1 = (document.getElementById);
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| 101 | this.isDOM2Event = (document.addEventListener && document.removeEventListener);
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| 102 | this.mode = document.compatMode ? document.compatMode : 'BackCompat';
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| 103 | this.isWin = (ua.indexOf('win') != -1);
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| 104 | this.isWin32 = (this.isWin && (ua.indexOf('95') != -1 || ua.indexOf('98') != -1 || ua.indexOf('nt') != -1 || ua.indexOf('win32') != -1 || ua.indexOf('32bit') != -1 || ua.indexOf('xp') != -1));
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| 105 | this.isMac = (ua.indexOf('mac') != -1);
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| 106 | this.isUnix = (ua.indexOf('unix') != -1 || ua.indexOf('sunos') != -1 || ua.indexOf('bsd') != -1 || ua.indexOf('x11') != -1)
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| 107 | this.isLinux = (ua.indexOf('linux') != -1);
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| 108 | this.isNS4x = (this.isNS && this.versionMajor == 4);
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| 109 | this.isNS40x = (this.isNS4x && this.versionMinor < 4.5);
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| 110 | this.isNS47x = (this.isNS4x && this.versionMinor >= 4.7);
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| 111 | this.isNS4up = (this.isNS && this.versionMinor >= 4);
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| 112 | this.isNS6x = (this.isNS && this.versionMajor == 6);
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| 113 | this.isNS6up = (this.isNS && this.versionMajor >= 6);
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| 114 | this.isNS7x = (this.isNS && this.versionMajor == 7);
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| 115 | this.isNS7up = (this.isNS && this.versionMajor >= 7);
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| 116 | this.isIE4x = (this.isIE && this.versionMajor == 4);
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| 117 | this.isIE4up = (this.isIE && this.versionMajor >= 4);
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| 118 | this.isIE5x = (this.isIE && this.versionMajor == 5);
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| 119 | this.isIE55 = (this.isIE && this.versionMinor == 5.5);
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| 120 | this.isIE5up = (this.isIE && this.versionMajor >= 5);
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| 121 | this.isIE6x = (this.isIE && this.versionMajor == 6);
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| 122 | this.isIE6up = (this.isIE && this.versionMajor >= 6);
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| 123 | this.isIE7x = (this.isIE && this.versionMajor == 7);
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| 124 | this.isIE7up = (this.isIE && this.versionMajor >= 7);
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| 125 | this.isIE4xMac = (this.isIE4x && this.isMac);
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| 126 | }
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| 127 |
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| 128 | /* Opacity Displayer, Version 1.0 - http://old.alistapart.com/stories/pngopacity/
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| 129 | * Copyright Michael Lovitt, 6/2002.
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| 130 | */
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| 131 | function opacity( strId , strPath , intWidth , intHeight , strClass , strAlt )
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| 132 | {
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| 133 | if ( document.pngAlpha )
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| 134 | {
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| 135 | document.write( '<div style="height:'+intHeight+'px;width:'+intWidth+'px;filter:progid:DXImageTransform.Microsoft.AlphaImageLoader(src=\''+strPath+'.png\', sizingMethod=\'scale\')" id="'+strId+'" class="'+strClass+'"></div>' );
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| 136 | }
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| 137 | else if ( document.pngNormal )
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| 138 | {
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| 139 | document.write( '<img src="'+strPath+'.png" width="'+intWidth+'" height="'+intHeight+'" name="'+strId+'" border="0" class="'+strClass+'" alt="'+strAlt+'" />' );
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| 140 | }
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| 141 | else if ( document.layers )
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| 142 | {
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| 143 | return( '<img src="'+strPath+'.gif" width="'+intWidth+'" height="'+intHeight+'" name="'+strId+'" border="0" class="'+strClass+'" alt="'+strAlt+'" />' );
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| 144 | }
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| 145 | else
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| 146 | {
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| 147 | document.write( '<img src="'+strPath+'.gif" width="'+intWidth+'" height="'+intHeight+'" name="'+strId+'" border="0" class="'+strClass+'" alt="'+strAlt+'" />' );
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| 148 | }
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| 149 | return( '' );
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| 150 | }
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| 151 | function opacity_init()
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| 152 | {
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| 153 | var browser = new browser_detect();
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| 154 | document.pngAlpha = false;
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| 155 | document.pngNormal = false;
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| 156 | document.strExt = ".gif";
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| 157 |
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| 158 | if ( ( browser.isIE55 || browser.isIE6up ) && !browser.isIE7up && browser.isWin32 )
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| 159 | {
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| 160 | document.pngAlpha = true;
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| 161 | document.strExt = ".png";
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| 162 | }
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| 163 | else if (
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| 164 | ( browser.isGecko ) ||
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| 165 | ( browser.isIE5up && browser.isMac ) ||
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| 166 | ( browser.isOpera && browser.isWin && browser.versionMajor >= 6 ) ||
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| 167 | ( browser.isOpera && browser.isUnix && browser.versionMajor >= 6 ) ||
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| 168 | ( browser.isOpera && browser.isMac && browser.versionMajor >= 5 ) ||
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| 169 | ( browser.isOmniweb && browser.versionMinor >= 3.1 ) ||
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| 170 | ( browser.isIcab && browser.versionMinor >= 1.9 ) ||
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| 171 | ( browser.isWebtv ) ||
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| 172 | ( browser.isDreamcast ) ||
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| 173 | ( browser.isIE7up )
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| 174 | )
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| 175 | {
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| 176 | document.pngNormal = true;
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| 177 | document.strExt = ".png";
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| 178 | }
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| 179 | }
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| 180 |
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| 181 | /* handler for Netscape Navigator clients that screw up the display
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| 182 | * of CSS pages when reloaded
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| 183 | */
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| 184 | function NN_reloadPage( init )
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| 185 | {
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| 186 | if ( init == true ) with ( navigator )
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| 187 | {
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| 188 | if ( ( appName == "Netscape" ) && ( parseInt ( appVersion ) == 4 ) )
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| 189 | {
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| 190 | document.NN_pgW = innerWidth;
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| 191 | document.NN_pgH = innerHeight;
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| 192 | event_attach ( 'onresize' , NN_reloadPage );
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| 193 | }
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| 194 | }
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| 195 | else if ( innerWidth != document.NN_pgW || innerHeight != document.NN_pgH )
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| 196 | {
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| 197 | location.reload();
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| 198 | }
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| 199 | }
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| 200 |
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| 201 | /* Min Width v1.1.3 by PVII-www.projectseven.com
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| 202 | * http://www.projectseven.com/tutorials/css/minwidth/index.htm
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| 203 | *
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| 204 | * modified to support both min and max widths, for readability
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| 205 | * and the ability to limit application to IE only so CSS
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| 206 | * min-width property may be used by compliant browsers.
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| 207 | *
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| 208 | * NOTE: horizontal spacing (margins, padding, borders) set in
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| 209 | * % values may cause IE to crash when using this script.
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| 210 | *
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| 211 | * ALSO: padding, margins, and borders on parents of the element
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| 212 | * you specify may result in IE getting suck in an infinite
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| 213 | * loop. Please be sure to check your layout before you
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| 214 | * publish it!
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| 215 | */
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| 216 | function set_min_width( obj_name , min_width , ieOnly )
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| 217 | {
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| 218 | if ( ( typeof( ieOnly ) ).toLowerCase() == 'undefined' ) { ieOnly = true; }
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| 219 | set_width_limits( obj_name, min_width, '', ieOnly );
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| 220 | }
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| 221 | function set_width_limits( obj_name , min_width , max_width, ieOnly )
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| 222 | {
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| 223 | if ( ( typeof( ieOnly ) ).toLowerCase() == 'undefined' )
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| 224 | {
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| 225 | ieOnly = true;
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| 226 | }
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| 227 | if ( ieOnly == false || ( document.getElementById && navigator.appVersion.indexOf( "MSIE" ) > -1 && !window.opera ) )
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| 228 | {
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| 229 | document.set_width_obj_name = obj_name;
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| 230 | document.min_width_size = min_width;
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| 231 | document.max_width_size = max_width;
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| 232 | document.resizing = false;
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| 233 | event_attach( 'onload' , control_width );
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| 234 | event_attach( 'onresize' , control_width );
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| 235 | }
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| 236 | }
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| 237 | function control_width()
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| 238 | {
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| 239 | var cw , minw , maxw, gs, pl , pr , ml , mr , br , bl , ad , theDiv = document.set_width_obj_name;
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| 240 | var g = document.getElementById( theDiv );
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| 241 | minw = parseInt( document.min_width_size );
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| 242 | maxw = parseInt( document.max_width_size );
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| 243 | if ( g && document.body && document.body.clientWidth )
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| 244 | {
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| 245 | gs = g.currentStyle;
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| 246 | cw = parseInt( document.body.clientWidth );
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| 247 | pl = parseInt( gs.paddingLeft );
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| 248 | pr = parseInt( gs.paddingRight );
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| 249 | ml = parseInt( gs.marginLeft );
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| 250 | mr = parseInt( gs.marginRight );
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| 251 | bl = parseInt( gs.borderLeftWidth );
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| 252 | br = parseInt( gs.borderRightWidth );
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| 253 | ml = ml ? ml : 0;
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| 254 | mr = mr ? mr : 0;
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| 255 | pl = pl ? pl : 0;
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| 256 | pr = pr ? pr : 0;
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| 257 | bl = bl ? bl : 0;
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| 258 | br = br ? br : 0;
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| 259 | ad = pl + pr + ml + mr + bl + br;
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| 260 | if ( cw <= minw )
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| 261 | {
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| 262 | minw -= ad;
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| 263 | g.style.width = minw + "px";
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| 264 | }
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| 265 | else if ( cw > maxw )
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| 266 | {
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| 267 | maxw -= ad;
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| 268 | g.style.width = maxw + "px";
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| 269 | }
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| 270 | else
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| 271 | {
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| 272 | g.style.width = "auto";
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| 273 | }
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| 274 | }
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| 275 | }
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| 276 |
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| 277 | /* Cookie API v1.0.1
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| 278 | * documentation: http://www.dithered.com/javascript/cookies/index.html
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| 279 | * license: http://creativecommons.org/licenses/by/1.0/
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| 280 | * code (mostly) by Chris Nott (chris[at]dithered[dot]com)
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| 281 | */
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| 282 | function setCookie( name, value, expires, path, domain, secure )
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| 283 | {
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| 284 | var curCookie = name + "=" + escape(value) +
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| 285 | ((expires) ? "; expires=" + expires.toGMTString() : "") +
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| 286 | ((path) ? "; path=" + path : "") +
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| 287 | ((domain) ? "; domain=" + domain : "") +
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| 288 | ((secure) ? "; secure" : "");
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| 289 | document.cookie = curCookie;
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| 290 | }
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| 291 | function getCookie( name )
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| 292 | {
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| 293 | var dc = document.cookie;
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| 294 | var prefix = name + "=";
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| 295 | var begin = dc.indexOf( "; " + prefix );
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| 296 | if ( begin == -1 )
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| 297 | {
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| 298 | begin = dc.indexOf(prefix);
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| 299 | if (begin != 0) return null;
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| 300 | }
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| 301 | else
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| 302 | {
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| 303 | begin += 2;
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| 304 | }
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| 305 | var end = document.cookie.indexOf( ";", begin );
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| 306 | if ( end == -1 )
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| 307 | {
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| 308 | end = dc.length;
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| 309 | }
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| 310 | return unescape(dc.substring(begin + prefix.length, end));
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| 311 | }
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| 312 | function deleteCookie( name, path, domain )
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| 313 | {
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| 314 | var value = getCookie( name );
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| 315 | if ( value != null )
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| 316 | {
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| 317 | document.cookie = name + "=" +
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| 318 | ((path) ? "; path=" + path : "") +
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| 319 | ((domain) ? "; domain=" + domain : "") +
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| 320 | "; expires=Thu, 01-Jan-70 00:00:01 GMT";
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| 321 | }
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| 322 | return value;
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| 323 | }
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| 324 |
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| 325 | /* font size functions operate on the body element's
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| 326 | * style and defines sizes in percentages. because
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| 327 | * the default font size is set to 0 in the array,
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| 328 | * the first value in the font_sizes array should
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| 329 | * _ALWAYS_ be 100.
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| 330 | *
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| 331 | * var font_sizes = new Array( 100, 110, 120 );
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| 332 | * var current_font_size = 0;
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| 333 | * event_attach( 'onload' , loadFontSize );
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| 334 | */
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| 335 | function loadFontSize()
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| 336 | {
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| 337 | current_font_size = parseInt( '0' + getCookie ( "font_size" ) );
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| 338 | setFontSize ( current_font_size );
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| 339 | }
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| 340 | function setFontSize( size )
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| 341 | {
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| 342 | if( size >= 0 && size < font_sizes.length )
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| 343 | {
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| 344 | current_font_size = size;
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| 345 | }
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| 346 | else if( ++current_font_size >= font_sizes.length )
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| 347 | {
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| 348 | current_font_size = 0;
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| 349 | }
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| 350 | if ( document.body )
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| 351 | {
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| 352 | document.body.style.fontSize = font_sizes[ current_font_size ] + '%';
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| 353 | setCookie( "font_size" , current_font_size );
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| 354 | }
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| 355 | }
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| 356 |
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| 357 | /* standard trim function to remove leading and trailing
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| 358 | * whitespace from a given string
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| 359 | */
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| 360 | function trim( str )
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| 361 | {
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| 362 | return str.replace(/^\s*|\s*$/g,"");
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| 363 | }
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| 364 |
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| 365 | /* stylesheets should be defined in the HTML via a LINK tag
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| 366 | * and rel attribute set to "alternate stylesheet". the title
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| 367 | * attribute is then set in the format of "title : group"
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| 368 | * this function will disable all but the stylesheet specified
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| 369 | * by title in the group specified by group.
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| 370 | *
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| 371 | * Based on code by Paul Sowden
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| 372 | * http://www.alistapart.com/articles/alternate/
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| 373 | *
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| 374 | */
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| 375 | function setActiveStyleSheet( title , group )
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| 376 | {
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| 377 | var i, a, b, g, t;
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| 378 | if ( !title || !group )
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| 379 | {
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| 380 | return;
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| 381 | }
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| 382 | for ( i = 0; ( a = document.getElementsByTagName( "link" )[ i ] ); i++ )
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| 383 | {
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| 384 | if ( a.getAttribute( "rel" ).indexOf( "style" ) != -1 && a.getAttribute( "title" ) )
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| 385 | {
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| 386 | b = ( a.getAttribute( "title" ) ).split( ":" );
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| 387 | g = trim( b[ b.length - 1 ] );
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| 388 | if ( g.toLowerCase() == group.toLowerCase() )
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| 389 | {
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| 390 | a.disabled = true;
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| 391 | t = trim( ( a.getAttribute( "title" ) ).substring( 0, a.getAttribute( "title" ).length - b[ b.length - 1 ].length - 1 ) );
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| 392 | if( t.toLowerCase() == title.toLowerCase() )
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| 393 | {
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| 394 | a.disabled = false;
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| 395 | }
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| 396 | setCookie( "style_" + g.toLowerCase() , title );
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| 397 | }
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| 398 | }
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| 399 | }
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| 400 | }
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| 401 | function getPreferredStylesheet ( group )
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| 402 | {
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| 403 | return ( getCookie ( "style_" + group ) );
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| 404 | }
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| 405 |
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| 406 | /* Son of Suckerfish Dropdowns w/Mac support and IFRAME matting
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| 407 | * This attaches an event to each LI element so when the mouseover event triggers,
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| 408 | * the element's class is altered to include (and remove on mouseout) an extra class.
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| 409 | * We can then use that class, in conjunction with stylesheets, to trigger drop-down
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| 410 | * menus that are (mostly) CSS-based.
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| 411 | *
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| 412 | * The second variable passed to sfHover (noMat), if set to true, will disable
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| 413 | * the IFRAME matting used to hide form elements that peek through if the menu
|
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| 414 | * appears over one. Use this option when there's no chance the menu will pop over
|
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| 415 | * a form field as this will remove the lag/performance issues related to using
|
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| 416 | * the IFRAME matting.
|
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| 417 | *
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| 418 | * Original:
|
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| 419 | * http://www.htmldog.com/articles/suckerfish/dropdowns/
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| 420 | * Fixes to work with IE/Mac:
|
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| 421 | * http://carroll.org.uk/sandbox/suckerfish/bones2.html
|
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| 422 | * IFRAME matting to handle hover over form elements:
|
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| 423 | * http://homepage.mac.com/igstudio/design/ulsmenus/vertical-uls-iframe-2.html
|
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| 424 | */
|
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| 425 | function sfHover ( objID, noMat )
|
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| 426 | {
|
---|
| 427 | var browser = new browser_detect();
|
---|
| 428 | if ( browser.isIE5up && !browser.isIE7up )
|
---|
| 429 | {
|
---|
| 430 | var sfEls = document.getElementById( objID ).getElementsByTagName( "LI" );
|
---|
| 431 | for (var i=0; i<sfEls.length; i++)
|
---|
| 432 | {
|
---|
| 433 | if ( !noMat && !browser.isMac && ( browser.isIE55 || browser.isIE6x ))
|
---|
| 434 | {
|
---|
| 435 | sfEls[i].onmouseover = function()
|
---|
| 436 | {
|
---|
| 437 | this.className += ( this.className.length > 0 ? " " : "" ) + "sfhover";
|
---|
| 438 | var ieUL = this.getElementsByTagName( "UL" )[0];
|
---|
| 439 | if ( ieUL )
|
---|
| 440 | {
|
---|
| 441 | var ieMat = document.createElement( "IFRAME" );
|
---|
| 442 | ieMat.style.width = ieUL.offsetWidth + "px";
|
---|
| 443 | ieMat.style.height = ieUL.offsetHeight + "px";
|
---|
| 444 | ieMat.style.filter = "progid:DXImageTransform.Microsoft.Alpha(style=0,opacity=0)";
|
---|
| 445 | ieUL.insertBefore( ieMat, ieUL.firstChild );
|
---|
| 446 | ieMat.style.zIndex = "-1";
|
---|
| 447 | }
|
---|
| 448 | }
|
---|
| 449 | sfEls[i].onmouseout = function()
|
---|
| 450 | {
|
---|
| 451 | this.className = this.className.replace( new RegExp( "( ?|^)sfhover\\b" ), "" );
|
---|
| 452 | var ieUL = this.getElementsByTagName('ul')[0];
|
---|
| 453 | if (ieUL)
|
---|
| 454 | {
|
---|
| 455 | ieUL.removeChild( ieUL.firstChild );
|
---|
| 456 | }
|
---|
| 457 | }
|
---|
| 458 | }
|
---|
| 459 | else
|
---|
| 460 | {
|
---|
| 461 | sfEls[i].onmouseover = function()
|
---|
| 462 | {
|
---|
| 463 | this.className += ( this.className.length > 0 ? " " : "" ) + "sfhover";
|
---|
| 464 | }
|
---|
| 465 | sfEls[i].onmouseout = function()
|
---|
| 466 | {
|
---|
| 467 | this.className = this.className.replace( new RegExp( "( ?|^)sfhover\\b" ), "" );
|
---|
| 468 | }
|
---|
| 469 | }
|
---|
| 470 | }
|
---|
| 471 | }
|
---|
| 472 | }
|
---|
| 473 |
|
---|
| 474 | /*
|
---|
| 475 | // ///////////////////////////
|
---|
| 476 | // isdefined v1.0
|
---|
| 477 | //
|
---|
| 478 | // Check if a javascript variable has been defined.
|
---|
| 479 | //
|
---|
| 480 | // Author : Jehiah Czebotar
|
---|
| 481 | // Website: http://www.jehiah.com
|
---|
| 482 | // Usage : alert(isdefined('myvar'));
|
---|
| 483 | // ///////////////////////////
|
---|
| 484 | */
|
---|
| 485 | function isDefined ( variable )
|
---|
| 486 | {
|
---|
| 487 | return ( typeof( window[ variable ] ) == "undefined" ) ? false : true;
|
---|
| 488 | }
|
---|
| 489 |
|
---|
| 490 | /* pause()
|
---|
| 491 | * modified form of code taken from:
|
---|
| 492 | * http://www.sean.co.uk/a/webdesign/javascriptdelay.shtm
|
---|
| 493 | */
|
---|
| 494 | function pause ( m )
|
---|
| 495 | {
|
---|
| 496 | var date = new Date();
|
---|
| 497 | var curDate = null;
|
---|
| 498 | do
|
---|
| 499 | {
|
---|
| 500 | curDate = new Date();
|
---|
| 501 | }
|
---|
| 502 | while (( curDate - date ) < m );
|
---|
| 503 | }
|
---|