function isShow(tab_id,div_id,t_Style)    //
{
   for(var i = 0;i < 2;i++)
   {
    document.getElementById("divs_"+i).style.display="none";
	  document.getElementById("tabs_"+i).style.backgroundImage='url()';
	  document.getElementById("tabs_"+i).className="";
   }
   document.getElementById(div_id).style.display=t_Style;
   document.getElementById(tab_id).style.backgroundImage='url(images_index/on_a.gif)';
   document.getElementById(tab_id).className="on_a";
}


function isShow2(tab2_id,div2_id,t_Style)    //
{
   for(var i = 0;i < 4;i++)
   {
    document.getElementById("divs2_"+i).style.display="none";
	  document.getElementById("tabs2_"+i).style.backgroundImage='url(images/link.jpg)';
	  document.getElementById("tabs2_"+i).className="bgoff3";
   }
   document.getElementById(div2_id).style.display=t_Style;
   document.getElementById(tab2_id).style.backgroundImage='url(images/onlink.jpg)';
   document.getElementById(tab2_id).className="bgon3";
}

function isShow3(tab3_id,div3_id,t_Style)    //
{
   for(var i = 0;i < 6;i++)
   {
    document.getElementById("divs3_"+i).style.display="none";
	  document.getElementById("tabs3_"+i).style.backgroundImage='url()';
	  document.getElementById("tabs3_"+i).className="links";
   }
   document.getElementById(div3_id).style.display=t_Style;
   document.getElementById(tab3_id).style.backgroundImage='url(images/hover.gif)';
   document.getElementById(tab3_id).className="omlinks";
}

function isShow4(tab4_id,div4_id,t_Style)    //
{
   for(var i = 0;i < 3;i++)
   {
    document.getElementById("divs4_"+i).style.display="none";
	  document.getElementById("tabs4_"+i).style.backgroundImage='url()';
	  document.getElementById("tabs4_"+i).className=" ";
   }
   document.getElementById(div4_id).style.display=t_Style;
   document.getElementById(tab4_id).style.backgroundImage='url()';
   document.getElementById(tab4_id).className="bgclor ";
}