var jqueryslidemenu={

animateduration: {over: 500, out: 250}, //duration of slide in/ out animation, in milliseconds

buildmenu:function(menuid)
{
	jQuery(document).ready(function($)
	{
		var $mainmenu = $("#"+menuid+">ul");
		var $headers  = $mainmenu.find("ul").parent();
		$headers.each(function(i)
		{
			var $curobj = $(this);
			var $subul  = $(this).find('ul:eq(0)');
			
			this._dimensions = { w:this.offsetWidth, h:this.offsetHeight, subulw:$subul.outerWidth(), subulh:$subul.outerHeight() };
			this.istopheader = $curobj.parents("ul").length == 1 ? true : false;
			$subul.css({top:this.istopheader ? this._dimensions.h+"px" : 0});
			$curobj.hover(
				function(e)
				{
					var $targetul = $(this).children("ul:eq(0)");
					this._offsets = {left:$(this).offset().left, top:$(this).offset().top};
					var menuleft  = this.istopheader? 0 : this._dimensions.w;
					//menuleft      = (this._offsets.left+menuleft+this._dimensions.subulw>$(window).width())? (this.istopheader? -this._dimensions.subulw+this._dimensions.w : -this._dimensions.w) : menuleft;
					if ($targetul.queue().length <= 1) //if 1 or less queued animations
					{
						$targetul.css({left:menuleft+"px", width:this._dimensions.subulw+'px'}).slideDown(jqueryslidemenu.animateduration.over);
					}
				},
				function(e)
				{
					var $targetul = $(this).children("ul:eq(0)");
					$targetul.slideUp(jqueryslidemenu.animateduration.out);
				}
			) //end hover
		}) //end $headers.each()
		$mainmenu.find("ul").css({display:'none', visibility:'visible'});
	}) //end document.ready
}
}

//build menu with ID="myslidemenu" on page:
jqueryslidemenu.buildmenu("myslidemenu");