function setTarget()
{
   document.getElementById('tw').target="_blank";   
   document.getElementById('tw1').target="_blank";   
}



function initLoad()
{
   var oldOnload = window.onload;      
   window.onload = function()
   {
      if (oldOnload) try{oldOnload();}catch(e){}
      setTarget();      
   }
}

initLoad();