function popupLinks(){
  for(var i=0; i < document.getElementsByTagName('a').length; i++)
  {
    var anchor = document.getElementsByTagName('a')[i];
    if(anchor.target == "_popup")
    {
      anchor.target = "";
      anchor.targetUrl = anchor.href;
      anchor.href = "#";
      
      anchor.onclick = function() { 
        pop = window.open(this.targetUrl,'pop','width=720,height=400,resizable=yes'); 
        pop.focus();
      }
    }
  }
  
  
}