function Show_YKTab(YKTabid_num,YKTabnum)
{
for(var i=0;i<2;i++)
{
document.getElementById("YKTabCon_"+YKTabid_num+i).style.display="none";
}
for(var i=0;i<2;i++)
{
document.getElementById("YKTabMu_"+YKTabid_num+i).className="";
}
document.getElementById("YKTabMu_"+YKTabid_num+YKTabnum).className="YKTabsOn";
document.getElementById("YKTabCon_"+YKTabid_num+YKTabnum).style.display="block";
}