// JavaScript Document



/***********************************************
* Random Content Colors script- © Dynamic Drive DHTML code library (www.dynamicdrive.com)
* This notice MUST stay intact for legal use
* Visit Dynamic Drive at http://www.dynamicdrive.com/ for full source code
***********************************************/

//specify list of random background colors to apply to CSS class "randomcolor"
//For each entry, you can optionally specify a text and link color via the syntax:
// "BackgroundColor:TextColor" OR "BackgroundColor:TextColor:LinkColor"
//var randombgcolors=["green:white:yellow", "#99FF66", "#CCFF99", "#CCFF99"]
var randombgcolors=["#99FF66:#000000:#0033FF", "#CCFF99:#000000:#0033FF", "#CCFF99:#000000:#0033FF"]

var rbcssrule=""
var randomnum=Math.floor(Math.random()*randombgcolors.length)
if (randombgcolors[randomnum].indexOf(":")!=-1){
rbcssrule="background-color: "+randombgcolors[randomnum].split(":")[0]+";"
rbcssrule+="color: "+randombgcolors[randomnum].split(":")[1]+";"
}
else
rbcssrule="background-color: "+randombgcolors[randomnum]+";"

document.write('<style type="text/css">\n')
document.write('.randomcolor{'+rbcssrule+'}\n')
if (randombgcolors[randomnum].split(":").length==3) //if link color specified
document.write('.randomcolor a{color:'+randombgcolors[randomnum].split(":")[2]+';}\n')
document.write('<\/style>')

//----------------------------------------------------


function randomizeContent(classname){
var contents=randomizeContent.collectElementbyClass(classname)
contents.text.sort(function() {return 0.5 - Math.random();})
var tbodyref=contents.ref[0].tagName=="TR"? contents.ref[0].parentNode : new Object()
for (var i=0; i<contents.ref.length; i++){
if (tbodyref.moveRow) //if IE
tbodyref.moveRow(0, Math.round(Math.random()*(tbodyref.rows.length-1)))
else
contents.ref[i].innerHTML=contents.text[i]
contents.ref[i].style.visibility="visible"
}
}

randomizeContent.collectElementbyClass=function(classname){ //return two arrays containing elements with specified classname, plus their innerHTML content
var classnameRE=new RegExp("(^|\\s+)"+classname+"($|\\s+)", "i") //regular expression to screen for classname within element
var contentobj=new Object()
contentobj.ref=new Array() //array containing references to the participating contents
contentobj.text=new Array() //array containing participating contents' contents (innerHTML property)
var alltags=document.all? document.all : document.getElementsByTagName("*")
for (var i=0; i<alltags.length; i++){
if (typeof alltags[i].className=="string" && alltags[i].className.search(classnameRE)!=-1){
contentobj.ref[contentobj.ref.length]=alltags[i]
contentobj.text[contentobj.text.length]=alltags[i].innerHTML
}
}
return contentobj
}