// JavaScript Document
var curr=1;
	function Change(id)
	{
		if(id!=curr)
		{
			document.getElementById("m_"+curr).className="menu";
			document.getElementById("c_"+curr).style.display="none";
			curr=id;
			document.getElementById("m_"+id).className="menu black";
			document.getElementById("c_"+id).style.display="block";
		}
	}