var jqueryslidemenu={

animateduration: {over: 200, out: 100}, //duration of slide in/ out animation, in milliseconds

buildmenu:function(menuid, arrowsvar){
	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'})
}
}

jqueryslidemenu.buildmenu("nav1");