//2 tab
function Show_Tab(titlenum,tabnum,total)
		{ 
			for(var i=0;i<total;i++){document.getElementById("content_"+titlenum+i).style.display="none";
		} 
			for(var i=0;i<total;i++){document.getElementById("title_"+titlenum+i).className=""; document.getElementById("title_"+titlenum+i).style.color="#666";} document.getElementById("title_"+titlenum+tabnum).className="title_on"; document.getElementById("title_"+titlenum+tabnum).style.color="#E13434"; document.getElementById("content_"+titlenum+tabnum).style.display="block"; 
		}