// JavaScript Document
function xs(){
			document.getElementById("ycdiv").style.display="block"
			}
function yc(){
			document.getElementById("ycdiv").style.display="none"		
	        }
			
function xs2(){
			document.getElementById("ycdiv2").style.display="block"	
			}
function yc2(){
			document.getElementById("ycdiv2").style.display="none"		
			}
			
function xs3(){
			document.getElementById("ycdiv3").style.display="block"	
			}
function yc3(){
			document.getElementById("ycdiv3").style.display="none"		
			}
function xs4(){
			document.getElementById("ycdiv4").style.display="block"	
			}
function yc4(){
			document.getElementById("ycdiv4").style.display="none"		
			}