function getType() {
	//For Opera :
	var type;
	if (navigator.userAgent.indexOf("Opera")!=-1
	    && document.getElementById) return "OP"; 
	//Internet Explorer e.g. IE4 upwards :
	if (document.all) return "IE"; 
	//For Netscape version 4 :
	if (document.layers) return "NN"; 
	//Mozila e.g. Netscape 6 upwards
	if (!document.all && document.getElementById) return "MO";
	
}



	function ChangeContent(id, str) {
	  
	  var type=getType();
	  if (type=="IE") {
	  	alert(document.all[id]);
	    document.all[id].innerHTML = str;
	  }
	  if (type=="NN") {
	    document.layers[id].document.open();
	    document.layers[id].document.write(str);
	    document.layers[id].document.close();
	  }
	  if (type=="MO") {
	    document.getElementById(id).innerHTML = str;
	  }
	}