function show_left(catid,tabid){
	var snum=document.getElementById("tabmenu"+catid+tabid).parentNode.getElementsByTagName("a").length;		
	for(var i=0;i<snum;i++){document.getElementById("tabmenu"+catid+i).className="left_hide";}
	for(var i=0;i<snum;i++){document.getElementById("tabc"+catid+i).style.display="none";}
	document.getElementById("tabmenu"+catid+tabid).className="left_hot";
	document.getElementById("tabc"+catid+tabid).style.display="";
}
function show_leftp(catid,tabid){
	var snum=3;
	for(var i=0;i<snum;i++){document.getElementById("tabmenu"+catid+i).className="left_hidep";}
	for(var i=0;i<snum;i++){document.getElementById("tabc"+catid+i).style.display="none";}
	document.getElementById("tabmenu"+catid+tabid).className="left_hotp";
	document.getElementById("tabc"+catid+tabid).style.display="";
}
function show_mid(catid,tabid){
	var snum=document.getElementById("tabmenu"+catid+tabid).parentNode.getElementsByTagName("a").length;		
	for(var i=0;i<snum;i++){document.getElementById("tabmenu"+catid+i).className="mid_hide";}
	for(var i=0;i<snum;i++){document.getElementById("tabc"+catid+i).style.display="none";}
	document.getElementById("tabmenu"+catid+tabid).className="mid_hot";
	document.getElementById("tabc"+catid+tabid).style.display="";
}

function show_right(catid,tabid){
	var snum=document.getElementById("tabmenu"+catid+tabid).parentNode.getElementsByTagName("a").length;		
	for(var i=0;i<snum;i++){document.getElementById("tabmenu"+catid+i).className="right_hide";}
	for(var i=0;i<snum;i++){document.getElementById("tabc"+catid+i).style.display="none";}
	document.getElementById("tabmenu"+catid+tabid).className="right_hot";
	document.getElementById("tabc"+catid+tabid).style.display="";
}