/*********************
 //* jQuery Multi Level CSS Menu #2- By Dynamic Drive: http://www.dynamicdrive.com/
 //* Last update: Nov 7th, 08': Limit # of queued animations to minmize animation stuttering
 //* Menu avaiable at DD CSS Library: http://www.dynamicdrive.com/style/
 *********************/
//Specify full URL to down and right arrow images (23 is padding-right to add to top level LIs with drop downs):
var arrowimages = {
    down: ['downarrowclass', 'http://www.cnzzad.com/photo/tx/css/down.gif', 23],
    right: ['rightarrowclass', 'http://www.cnzzad.com/photo/tx/css/right.gif']
}
var jqueryslidemenu = {
    animateduration: {
        over: 200,
        out: 100
    }, //duration of slide in/ out animation, in milliseconds
    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) //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", arrowimages);