/*********************
//* jQuery Multi Level CSS Menu (horizontal)- By Dynamic Drive DHTML code library: http://www.dynamicdrive.com
//* Menu instructions page: http://www.dynamicdrive.com/dynamicindex1/ddlevelsmenu/
//* Last modified: Sept 6th, 08'. Usage Terms: http://www.dynamicdrive.com/style/csslibrary/tos/
*********************/

//Specify full URL to down and right arrow images (25 is padding-right to add to top level LIs with drop downs):
var arrowimages={down:['downarrowclass', 'arrow-down.gif', 0], right:['rightarrowclass', 'arrow-right.gif']}

var jquerycssmenu={

fadesettings: {overduration: 150, outduration: 100}, //duration of fade 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('')
            $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
                    $targetul.css({left:menuleft+"px"}).fadeIn(jquerycssmenu.fadesettings.overduration)
                },
                function(e){
                    $(this).children("ul:eq(0)").fadeOut(jquerycssmenu.fadesettings.outduration)
                }
            ) //end hover
        }) //end $headers.each()
        $mainmenu.find("ul").css({display:'none', visibility:'visible'})
    }) //end document.ready
}
}

sfHover = function() {
	var sfEls = document.getElementById("nav").getElementsByTagName("LI");
	for (var i=0; i<sfEls.length; i++) {
		sfEls[i].onmouseover=function() {
			this.className+=" sfhover";
		}
		sfEls[i].onmouseout=function() {
			this.className=this.className.replace(new RegExp(" sfhover\\b"), "");
		}
	}
}
if (window.attachEvent) window.attachEvent("onload", sfHover);
//build menu with ID="myjquerymenu" on page:
jquerycssmenu.buildmenu("topnav", arrowimages)