// JavaScript Document

// handle for the Menu
function handleMenu(tab){
	// set this subtab on
	if($("#menu div[class$='on']").parent().attr("id")!=tab){
		$("#menu div[class$='on']").attr("class","off");
		$("#" + tab + " div:has('span')").attr("class","on");
	}
		
	// hover menu
	$("#menu div:has('div[class$='off']')").hover(function(){
			$(this).find("span").css({'visibility':'visible'});
			$("#menu div[class$='on'] span").css({'visibility':'hidden'});
   	}, function(){
   			$(this).find("span").css({'visibility':'hidden'});
			$("#menu div[class$='on'] span").css({'visibility':'visible'});
   	});	
}