function isShow(tab_id,div_id,t_Style)    //
{
   for(var i = 0;i < 4;i++)
   {
    document.getElementById("divs"+"_"+i).style.display="none";
	document.getElementById("tabs"+"_"+i).style.backgroundImage='url(images/bg_off.gif)';
	document.getElementById("tabs"+"_"+i).className="bgoff";
   }
   document.getElementById(div_id).style.display=t_Style;
   document.getElementById(tab_id).style.backgroundImage='url(images/bg_on.gif)';
   document.getElementById(tab_id).className="bgon";
}

function isShow2(tab1_id,div1_id,t_Style,e,f)    //
{
   for(var i = 0;i < e;i++)
   {
    document.getElementById("divs1"+f+"_"+i).style.display="none";
	  document.getElementById("tabs1"+f+"_"+i).style.backgroundImage='url(images/line_2.gif)';
	  document.getElementById("tabs1"+f+"_"+i).className="bgoff2";
   }
   document.getElementById(div1_id).style.display=t_Style;
   document.getElementById(tab1_id).style.backgroundImage='url(images/bg_on2.gif)';
   document.getElementById(tab1_id).className="bgon2";
}

function isShow3(tab2_id,div2_id,t_Style,e,f)    //
{
   for(var i = 0;i < e;i++)
   {
    document.getElementById("divs2"+f+"_"+i).style.display="none";
	  document.getElementById("tabs2"+f+"_"+i).style.backgroundImage='url(images/line_2.gif)';
	  document.getElementById("tabs2"+f+"_"+i).className="bgoff2";
   }
   document.getElementById(div2_id).style.display=t_Style;
   document.getElementById(tab2_id).style.backgroundImage='url(images/bg_on3.gif)';
   document.getElementById(tab2_id).className="bgon3";
}