//load default tab
   var _default;
   var TabsNum; 
   var TabsSizeStr;
   var TabsColorStr;
   
    function InitDetailsTabs(_TabsNum)
    {
         _default="1";
         TabsNum=_TabsNum;
         TabsSizeStr="lrg";
        TabsColorStr="blue";
        ChangeTab(_default);
    }
    function ChangeTab(_tab) {
       
        for (i=1; i<=parseInt(TabsNum,10); i++) {
      
             document.getElementById("div" + i).style.display = "none"; 
             document.getElementById("tab" + i).className= "TabsOff" + TabsSizeStr + TabsColorStr; 
             document.getElementById("tabHeader" + i).className= "TabsOffHeader" + TabsSizeStr +TabsColorStr; 
             
        }
          document.getElementById("tab" + _tab).className= "TabsOn" + TabsSizeStr; 
          document.getElementById("div" + _tab).style.display = "block"; 
          document.getElementById("tabHeader" +_tab).className= "TabsOnHeader" + TabsSizeStr +TabsColorStr; 
          document.getElementById("div" + _tab).className = "divtabscontent"; 
          
       }