/*
====================
author by bfaslen@126.com
date 2008-7-30
====================
*/
function showtab(btnid,tabid,tabnumber)
	{
	for (i = 1;i<=tabnumber;i++)
	{
	document.getElementById(tabid+"_tab"+i).className=tabid+"_tabpane" ;
	document.getElementById(tabid+"_content"+i).style.display="none";
	}
	document.getElementById(tabid+"_tab"+btnid).className=tabid+"_select";
	document.getElementById(tabid+"_content"+btnid).style.display = "block";
	}