// JavaScript Document
function HideDiv(ID){
			document.getElementById(ID).style.display='none';
		}
		
		function ShowDiv(ID){
			document.getElementById(ID).style.display='';
		}
		
		function ShowHideDiv(ID){
			if(document.getElementById(ID).style.display==''){
				HideDiv(ID);
			}else{
				HideAll("cat",5);
				ShowDiv(ID);
			}
		}
		
		function HideAll(prefix,iterations){
			for (i=1;i<=iterations;i++){
				HideDiv(prefix+i);
			}
		}