function isShow5(tab4_id,div4_id,t_Style)    //
{
   for(var i = 0;i < 5;i++)
   {
    document.getElementById("divs4"+"_"+i).style.display="none";
	document.getElementById("tabs4"+"_"+i).style.backgroundImage='url(images_index/bg_title5_off.gif)';
	document.getElementById("tabs4"+"_"+i).className="li";
   }
   /*µ±Ç°×´Ì¬*/
   document.getElementById(div4_id).style.display=t_Style;
   document.getElementById(tab4_id).style.backgroundImage='url(images_index/bg_title5_on.gif)';
   document.getElementById(tab4_id).className="on";
}