// JavaScript Document
 function show(i)
 {
	 var a=document.getElementById("green_"+i);
	 a.style.backgroundColor="#f0f0f0";
	 
	 
	 
  }
  
   function noshow(i)
 {
	 var aa=document.getElementById("green_"+i);
	 if(i%2!=0)
	 {
	 	aa.style.background="none";
	 }
	 else
	 {
		aa.style.backgroundColor="#f7f7f7";	 
	 }
	 
	 
  }