function openWin(url, width, height)
{
  bName=navigator.appName;
  var new_url="";

  if(bName=="Microsoft Internet Explorer")
  {
    for(var i=0; i<url.length; i++)
    {
      var c=url.charAt(i);
      if(c=='%')
      {
        i=i+1;  var d=url.charAt(i);  new_url=new_url+"%25"+d;
      }
      else
        new_url=new_url+c;
    }
  }
  else
  new_url=url;

  if (!width)
    width = 400;

  if (!height)
    height = 400;

  varn=open(new_url,"newWindow","resizable=yes,toolbar=yes,scrollbars=yes,directories=yes,status=no,menubar=no,addressbar=yes,width="+width+",height="+height);
}

function confirm_external_link(link_obj,jump_to) {

 var msg="You are leaving.  Are you sure?";

 if (confirm(msg)) {
   location.href = jump_to;
 }
 else {
   link_obj.href= '#';
 }
}