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
		}
	}
}
function changeContent(id,shtml) {
   if (document.getElementById || document.all) {
      var el = document.getElementById? document.getElementById(id): document.all[id];
      if (el && typeof el.innerHTML != "undefined") el.innerHTML = shtml;
   }
}
function visi(nr)
{
	if (document.layers)
	{
		vista = (document.layers[nr].visibility == 'hide') ? 'show' : 'hide'
		document.layers[nr].visibility = vista;
	}
	else if (document.all)
	{
		vista = (document.all[nr].style.visibility == 'hidden') ? 'visible'	: 'hidden';
		document.all[nr].style.visibility = vista;
	}
	else if (document.getElementById)
	{
		vista = (document.getElementById(nr).style.visibility == 'hidden') ? 'visible' : 'hidden';
		document.getElementById(nr).style.visibility = vista;

	}
}

//function visi(nr)
//{
//	if (document.layers)
//	{
//		vista = (document.layers[nr].visibility == 'show') ? 'hide' : 'show'
//		document.layers[nr].visibility = vista;
//	}
//	else if (document.all)
//	{
//		vista = (document.all[nr].style.visibility == 'visible') ? 'hidden'	: 'visible';
//		document.all[nr].style.visibility = vista;
//	}
//	else if (document.getElementById)
//	{
//		vista = (document.getElementById(nr).style.visibility == 'visible') ? 'hidden' : 'visible';
//		document.getElementById(nr).style.visibility = vista;
//	}
//}