function openpopup(){
//configure "seeyou.htm and the window dimensions as desired
window.open("http://www.1st-in-net-shopping.com/_pop/work.html","","width=300,height=397")
}

function get_cookie(Name) {
  var search = Name + "="
  var returnvalue = "";
  if (document.cookie.length > 0) {
    offset = document.cookie.indexOf(search)
    if (offset != -1) { // if cookie exists
      offset += search.length
      // set index of beginning of value
      end = document.cookie.indexOf(";", offset);
      // set index of end of cookie value
      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"
	}
}