var arrowimages = {
	down:['downarrowclass', '/images/down.gif', 23],
	right:['rightarrowclass', '/images/right.gif']
}

var jqueryslidemenu = {
	animateduration: {over: 200, out: 100},
	buildmenu: function(menuid, arrowsvar){
		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.children("a:eq(0)").css(this.istopheader? {paddingRight: arrowsvar.down[2]} : {}).append(
					'<img src="'+ (this.istopheader? arrowsvar.down[1] : arrowsvar.right[1])
					+'" class="' + (this.istopheader? arrowsvar.down[0] : arrowsvar.right[0])
					+ '" style="border: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)
							$targetul.css({left:menuleft+"px", width:this._dimensions.subulw+'px'}).show("fast")
					},
					function(e){
						var $targetul = $(this).children("ul:eq(0)")
						$targetul.hide("fast")
					}
				)
			})
			$mainmenu.find("ul").css({display:'none', visibility:'visible'})
		})
	}
}

jqueryslidemenu.buildmenu("menu", arrowimages)