/*********************
//* 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', 'img/down.gif', 23], right:['rightarrowclass', 'img/right.gif']} - this is needed only for arrows

var jqueryslidemenu={

animateduration: {over: 200, out: 200}, //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.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() != null) {
						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 Percorso 

buildpercorso:function(menuid, arrowsvar){
	jQuery(document).ready(function($){
		var $mainmenu=$("#"+menuid+">ul")
		var $headers=$mainmenu.find("div").parent()
		$headers.each(function(i){
			var $curobj=$(this)
			var $subul=$(this).find("div").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 = $(this).children("div");
					this._offsets = {
						left:$(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() != null) {
						if ($targetul.queue().length <= 1) { //if 1 or less queued animations
							$targetul.css({
									left: menuleft+"px",
									width: this._dimensions.subulw+'px'
								});
						//$targetul.children("ul:eq(0)").css({top: "0px"});
						$targetul.slideDown(jqueryslidemenu.animateduration.over);
						} 
					} else {
							$targetul.css({
									left: menuleft+"px",
									width: this._dimensions.subulw+'px'
								});
						//$targetul.children("ul:eq(0)").css({top: "0px"});
						$targetul.slideDown(jqueryslidemenu.animateduration.over);
						}
				},
				function(e){
					var $targetul = $(this).children("div");//.children("ul:eq(0)")
					$targetul.slideUp(jqueryslidemenu.animateduration.out)
					$targetul.scrollTop(top);
				}
			) //end hover
		}) //end $headers.each()
		$mainmenu.find("div").css({display:'none', visibility:'visible'});
	}) //end document.ready
}

}



function buildScroller (classe) {
    var $mainmenu = $("#" + classe + ">ul")

    var $headers = $mainmenu.find("div").parent();

    $headers.each(function(i){

		var div = $(this).find("div");
		var ul = div.find("ul");
		var ulPadding = 180;

		var lastLi = ul.find('li:last-child');
		var ulHeight = $(lastLi[0]).position().top + lastLi.outerHeight() + ulPadding;

		var divHeight = $(window).height() - $(this).offset().top - 60;

		if (divHeight > ulHeight) {
			divHeight = ulHeight;
		}

		div.css({height:divHeight+'px'});

		//Find last image container


		//When user move mouse over menu
		div.mousemove(function(e){
			var top = (e.pageY - (div.offset().top + 50)) / (divHeight - 100) * (ulHeight - divHeight);
			
			if (top < 0) {
				top = 0;
			}

			div.scrollTop(top);
		});

	});

}


$(function(){
    //Get our elements for faster access and set overlay width

	buildScroller("barra_percorso");
	buildScroller("menu_principale");

});


//build menu with ID="myslidemenu" on page:
//jqueryslidemenu.buildmenu("myslidemenu", arrowimages) - older version with arrows
jqueryslidemenu.buildpercorso("menu_principale");
jqueryslidemenu.buildpercorso("barra_percorso");