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
	}