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 video_popup(url) {
	posY=Math.round((parent.screen.availHeight-400)/2);
	posX=Math.round((parent.screen.availWidth-450)/2);
	newwindow = window.open(url, "site", "toolbar=0,location=0,directories=0,status=0, scrollbars=0,resizable=0,menubar=0,width=450,height=400,top="+posY+",left="+posX);
	newwindow.focus();
	return false;
}