// JavaScript Document
var m1="1";
var m2="0";
function tab_ch(tabid,onid)
{
var em=document.getElementById("tabt" + tabid);
var ems=em.getElementsByTagName("span");
var i=0;
for (i=1;i<=ems.length;i++)
{
if (i!=onid)
{ems[i-1].className="on1";
document.getElementById("tab" + tabid + "_" + i).style.display="none";}
else
{ems[i-1].className="on2";
document.getElementById("tab" + tabid + "_" + i).style.display="block";}
}
}