/* Flex Level Popup Menu v1.0

* Created: Dec 27th, 2009 by DynamicDrive.com. This notice must stay intact for usage 

* Author: Dynamic Drive at http://www.dynamicdrive.com/

* Visit http://www.dynamicdrive.com/ for full source code

*/



//Usage: $(elementselector).addpopupmenu('menuid')

//ie:

//jQuery(document).ready(function($){

	//$('a.mylinks').addpopupmenu('popupmenu1') //apply popup menu with ID "popmenu1" to links with class="mylinks"

//})



jQuery.noConflict()



var jquerypopupmenu={

	arrowpath: '/arrow.gif', //full URL or path to arrow image

	popupmenuoffsets: [0, 0], //additional x and y offset from mouse cursor for popup menus

	animspeed: 200, //reveal animation speed (in milliseconds)

	showhidedelay: [150, 150], //delay before menu appears and disappears when mouse rolls over it, in milliseconds



	//***** NO NEED TO EDIT BEYOND HERE

	startzindex:1000,

	builtpopupmenuids: [], //ids of popup menus already built (to prevent repeated building of same popup menu)



	positionul:function($, $ul, e){

		var istoplevel=$ul.hasClass('jqpopupmenu') //Bool indicating whether $ul is top level popup menu DIV

		var docrightedge=$(document).scrollLeft()+$(window).width()-40 //40 is to account for shadows in FF

		var docbottomedge=$(document).scrollTop()+$(window).height()-40

		if (istoplevel){ //if main popup menu DIV

			var x=e.pageX+this.popupmenuoffsets[0] //x pos of main popup menu UL

			var y=e.pageY+this.popupmenuoffsets[1]

			x=(x+$ul.data('dimensions').w > docrightedge)? docrightedge-$ul.data('dimensions').w : x //if not enough horizontal room to the ridge of the cursor

			y=(y+$ul.data('dimensions').h > docbottomedge)? docbottomedge-$ul.data('dimensions').h : y

		}

		else{ //if sub level popup menu UL

			var $parentli=$ul.data('$parentliref')

			var parentlioffset=$parentli.offset()

			var x=$ul.data('dimensions').parentliw //x pos of sub UL

			var y=0



			x=(parentlioffset.left+x+$ul.data('dimensions').w > docrightedge)? x-$ul.data('dimensions').parentliw-$ul.data('dimensions').w : x //if not enough horizontal room to the ridge parent LI

			y=(parentlioffset.top+$ul.data('dimensions').h > docbottomedge)? y-$ul.data('dimensions').h+$ul.data('dimensions').parentlih : y

		}

		$ul.css({left:x, top:y})

	},

	

	showbox:function($, $popupmenu, e){

		clearTimeout($popupmenu.data('timers').hidetimer)

		$popupmenu.data('timers').showtimer=setTimeout(function(){$popupmenu.show(jquerypopupmenu.animspeed)}, this.showhidedelay[0])

	},



	hidebox:function($, $popupmenu){

		clearTimeout($popupmenu.data('timers').showtimer)

		$popupmenu.data('timers').hidetimer=setTimeout(function(){$popupmenu.hide(100)}, this.showhidedelay[1]) //hide popup menu plus all of its sub ULs

	},





	buildpopupmenu:function($, $menu, $target){

		$menu.css({display:'block', visibility:'hidden', zIndex:this.startzindex}).addClass('jqpopupmenu').appendTo(document.body)

		$menu.bind('mouseenter', function(){

			clearTimeout($menu.data('timers').hidetimer)

		})		

		$menu.bind('mouseleave', function(){ //hide menu when mouse moves out of it

			jquerypopupmenu.hidebox($, $menu)

		})

		$menu.data('dimensions', {w:$menu.outerWidth(), h:$menu.outerHeight()}) //remember main menu's dimensions

		$menu.data('timers', {})

		var $lis=$menu.find("ul").parent() //find all LIs within menu with a sub UL

		$lis.each(function(i){

			var $li=$(this).css({zIndex: 1000+i})

			var $subul=$li.find('ul:eq(0)').css({display:'block'}) //set sub UL to "block" so we can get dimensions

			$subul.data('dimensions', {w:$subul.outerWidth(), h:$subul.outerHeight(), parentliw:this.offsetWidth, parentlih:this.offsetHeight})

			$subul.data('$parentliref', $li) //cache parent LI of each sub UL

			$subul.data('timers', {})

			$li.data('$subulref', $subul) //cache sub UL of each parent LI

			$li.children("a:eq(0)").append( //add arrow images

				'<img src="'+jquerypopupmenu.arrowpath+'" class="rightarrowclass" style="border:0;" />'

			)

			$li.bind('mouseenter', function(e){ //show sub UL when mouse moves over parent LI

				var $targetul=$(this).css('zIndex', ++jquerypopupmenu.startzindex).addClass("selected").data('$subulref')

				if ($targetul.queue().length<=1){ //if 1 or less queued animations

					clearTimeout($targetul.data('timers').hidetimer)

					$targetul.data('timers').showtimer=setTimeout(function(){

						jquerypopupmenu.positionul($, $targetul, e)

						$targetul.show(jquerypopupmenu.animspeed)

					}, jquerypopupmenu.showhidedelay[0])

				}

			})

			$li.bind('mouseleave', function(e){ //hide sub UL when mouse moves out of parent LI

				var $targetul=$(this).data('$subulref')

				clearTimeout($targetul.data('timers').showtimer)

				$targetul.data('timers').hidetimer=setTimeout(function(){$targetul.hide(100).data('$parentliref').removeClass('selected')}, jquerypopupmenu.showhidedelay[1])

			})

		})

		$menu.find('ul').andSelf().css({display:'none', visibility:'visible'}) //collapse all ULs again

		$menu.data('$targetref', $target)

		this.builtpopupmenuids.push($menu.get(0).id) //remember id of popup menu that was just built

	},



	



	init:function($, $target, $popupmenu){

		if (this.builtpopupmenuids.length==0){ //only bind click event to document once

			$(document).bind("click", function(e){

				if (e.button==0){ //hide all popup menus (and their sub ULs) when left mouse button is clicked

					$('.jqpopupmenu').find('ul').andSelf().hide()

				}

			})

		}

		if (jQuery.inArray($popupmenu.get(0).id, this.builtpopupmenuids)==-1) //if this popup menu hasn't been built yet

			this.buildpopupmenu($, $popupmenu, $target)

		if ($target.parents().filter('ul.jqpopupmenu').length>0) //if $target matches an element within the popup menu markup, don't bind onpopupmenu to that element

			return

		$target.bind("mouseenter", function(e){

			$popupmenu.css('zIndex', ++jquerypopupmenu.startzindex)

			jquerypopupmenu.positionul($, $popupmenu, e)

			jquerypopupmenu.showbox($, $popupmenu, e)

		})

		$target.bind("mouseleave", function(e){

			jquerypopupmenu.hidebox($, $popupmenu)

		})

	}

}



jQuery.fn.addpopupmenu=function(popupmenuid){

	var $=jQuery

	return this.each(function(){ //return jQuery obj

		var $target=$(this)

			jquerypopupmenu.init($, $target, $('#'+popupmenuid))

	})

};



//By default, add popup menu to anchor links with attribute "data-popupmenu"

jQuery(document).ready(function($){

	var $anchors=$('*[data-popupmenu]')

	$anchors.each(function(){

		$(this).addpopupmenu(this.getAttribute('data-popupmenu'))

	})

})