// JavaScript Document
function xxk(xx,yy)
	 {
	 closeAll();
	     document.getElementById(xx).style.display="block";
		 document.getElementById(yy).className="ddd2";
	 }
    function closeAll()
	{
	     document.getElementById("h1").style.display="none";
		 document.getElementById("h2").style.display="none";
		 document.getElementById("h3").style.display="none";
		 document.getElementById("h4").style.display="none";
		 document.getElementById("h5").style.display="none";
		 document.getElementById("hs1").className="ddd1";
		 document.getElementById("hs2").className="ddd1";
		 document.getElementById("hs3").className="ddd1";
		 document.getElementById("hs4").className="ddd1";
		 document.getElementById("hs5").className="ddd1";
	}