// JavaScript Document
/***********************************************
* Random Content Order 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
***********************************************/

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
}/***********************************************
* Random Content (from DIVs) script- by JavaScript Kit (www.javascriptkit.com)
* This notice must stay intact for usage
* Visit JavaScript Kit at http://www.javascriptkit.com/ for this script and 100s more
***********************************************/

if (document.getElementById)
document.documentElement.className = 'jsclass'; //hide content for DOM capable browsers


var randomcontentdisplay={
	divholders:new Object(),
	masterclass: "randomcontent",

	init:function(){
		if (!document.getElementById)
			return
		var alldivs=document.getElementsByTagName("div")
		var randomcontentsearch=new RegExp(this.masterclass+"\\s+(group\\d+)", "i") //check for CSS class="randomcontent groupX" (x=integer)
		for (var i=0; i<alldivs.length; i++){
			if (randomcontentsearch.test(alldivs[i].className)){
				if (typeof this.divholders[RegExp.$1]=="undefined") //if array to hold this group of divs doesn't exist yet
					this.divholders[RegExp.$1]=new Array() //create array first
					this.divholders[RegExp.$1].push(alldivs[i]) //add this div to the array
			}
		}
	this.showone()
	},

	showone:function(){
		for (group in this.divholders){ //loop thru each array within object
			var chosenOne=Math.floor(Math.random()*this.divholders[group].length) //randomly pick one entry from array
			this.divholders[group][chosenOne].style.display="block" //display content corresponding to the chosen entry
		}
	}
}