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
		}
	}
}