function get_cookie(Name) {

  var search = Name + "="

  var returnvalue = "";

  if (document.cookie.length > 0) {

    offset = document.cookie.indexOf(search)

    if (offset != -1) { 

      offset += search.length



      end = document.cookie.indexOf(";", offset);

  

      if (end == -1)

         end = document.cookie.length;

      returnvalue=unescape(document.cookie.substring(offset, end))

      }

   }

  return returnvalue;

}



function loadpopup(){

if (get_cookie('popped')==''){

openpopup()

document.cookie="popped=yes"

}

}
<!--

  function opendetailwindow() { 

    window.open('','detailwindow','toolbar=no,scrollbars=yes,resizable=no,width=680,height=480');

  }



function get_cookie(Name) {

  var search = Name + "="

  var returnvalue = "";

  if (document.cookie.length > 0) {

    offset = document.cookie.indexOf(search)

    if (offset != -1) { 

      offset += search.length



      end = document.cookie.indexOf(";", offset);

  

      if (end == -1)

         end = document.cookie.length;

      returnvalue=unescape(document.cookie.substring(offset, end))

      }

   }

  return returnvalue;

}