function showmenu(id) {      
var list = document.getElementById("sub"+id);	
list.style.display="block";		
document.getElementById("main"+id).className="liHover";
}

function hidemenu(id) {      
var list = document.getElementById("sub"+id);	
list.style.display="none";		
document.getElementById("main"+id).className="mainli";
} 



/*    var idd=id;
	var j=1;
	var list = document.getElementById("list"+id);	
	if (list.style.display=="none")
	   {
		list.style.display="block";			
	   }
	else
	   {
	   list.style.display="none";
	   }
	for(var i=0;i<document.getElementsByTagName("ul").length;i++)
		{ 
		  if(j!=idd)
		  {
		  document.getElementById("list"+j).style.display="none";
		  }
		  j++;
		}	*/