// $Id: nice_menus.js,v 1.5.2.2 2007/04/30 16:08:16 add1sun Exp $

// We only do the javascript in IE thanks to drupal_set_html_head in .module.
if (document.all) {
  function IEHoverPseudo() {
      $("ul.nice-menu li.menuparent").hover(function(){
          $(this).addClass("over").find("> ul").slideDown("fast").addShim();
        },function(){
          $(this).removeClass("over").find("> ul").removeShim().slideUp("fast");
        }
      );
    }

    // This is the jquery method of adding a function to the BODY onload event.  (See jquery.com)
    $(document).ready(function(){ IEHoverPseudo() });
}

$.fn.addShim = function() {
  return this.each(function(){
	  if(document.all && $("select").size() > 0) {
	    var ifShim = document.createElement('iframe');
			ifShim.style.width=$(this).width()+1+"px";
      ifShim.style.height=$(this).find("> li").size()*23+4+"px";
			ifShim.style.filter="progid:DXImageTransform.Microsoft.Alpha(style=0,opacity=0)";
		  ifShim.style.zIndex="0";
    $(this).prepend(ifShim);
      $(this).css("zIndex","99");
		}
	});
};

$.fn.removeShim = function() {
  return this.each(function(){
	  if (document.all) $("iframe", this).remove();
	});
};