var arrowimages = { down: ['downarrowclass', 'http://mt0.bochstatic.com/ferrari/images/down.gif', 23], right: ['rightarrowclass', 'http://mt1.bochstatic.com/ferrari/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' }).slideDown(jqueryslidemenu.animateduration.over)
            }, function(e) {
                var $targetul = $(this).children("ul:eq(0)")
                $targetul.slideUp(jqueryslidemenu.animateduration.out)
            })
        })
        $mainmenu.find("ul").css({ display: 'none', visibility: 'visible' })
    })
}
}
jqueryslidemenu.buildmenu("myslidemenu", arrowimages)