//<![CDATA[
jQuery.fn.center = function () {
    this.css("position","absolute");
    this.css("top", ( $(window).height() - this.height() ) / 2+$(window).scrollTop() + "px");
    this.css("left", ( $(window).width() - this.width() ) / 2+$(window).scrollLeft() + "px");
    return this;
}
function showDescription(theContentId){ 
   $("body").append("<div id='pop-cover1' class=''></div><div id='pop-content'></div>");
   $("#pop-content").html($(theContentId).html());

   $("#pop-cover1").click(function(){
      $("#pop-content").hide();
      $("#pop-cover1").hide();
      return false;
   }); 
   //Set the popup window to center
   $("#pop-content").center();
   $("#pop-content").show();
   $("#pop-cover1").show();
   return false;
}
function closePopup(){
   $("#pop-content").remove();
   $("#pop-cover1").remove();
   return false;
}
//]]>