function showMenu (baseID, divID) {
    baseID = document.getElementById(baseID);
    divID  = document.getElementById(divID);

    if (showMenu.timer) clearTimeout(showMenu.timer);
	hideCur();
    divID.style.display = 'block';
	showMenu.cur = divID;

    if (! divID.isCreate) {
        divID.isCreate = true;
        divID.onmouseover = function () {
            if (showMenu.timer) clearTimeout(showMenu.timer);
			hideCur();
            divID.style.display = 'block';
        };

        function hide () {
            showMenu.timer = setTimeout(function () {divID.style.display = 'none';}, 1000);
        }

        divID.onmouseout = hide;
        baseID.onmouseout = hide;
    }
	function hideCur () {
		showMenu.cur && (showMenu.cur.style.display = 'none');
	}
}


function showHotTab(n1,n2){
	var h=document.getElementById("tab"+n1).getElementsByTagName("h3");
	var d=document.getElementById("tab"+n1).getElementsByTagName("div");
	for(var i=0;i<h.length;i++){
		if(n2-1==i){
			h[i].className+=" up";
			d[i].className+=" block";
		}
		else {
			h[i].className=" ";
			d[i].className=" ";
		}
	}
}
function sel(num,sn,bn,n){
		for(id = 1;id<=n;id++)
		{
		var ss=bn+id;
		if(id==num)
		document.getElementById(ss).style.display="block";
		else
		document.getElementById(ss).style.display="none";
		}
		
		for(id = 1;id<=n;id++)
		{
		var bb=sn+id;
		if(id==num)
		document.getElementById(bb).className="s1";
		else
		document.getElementById(bb).className="";
		} 
		}