/*********************
//* jQuery Drop Line Menu- By Dynamic Drive: http://www.dynamicdrive.com/
//* Last updated: June 27th, 09'
//* Menu avaiable at DD CSS Library: http://www.dynamicdrive.com/style/
*********************/

var droplinemenu={

	arrowimage: {classname: '', src: 'images/down.png', leftpadding: 0}, //customize down arrow image
	animateduration: {over: 200, out: 100}, //duration of slide in/ out animation, in milliseconds
	
	buildmenu:function(menuid){
		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={h:$curobj.find('a:eq(0)').outerHeight()}
				this.istopheader=$curobj.parents("ul").length==1? true : false
				if (!this.istopheader)
					$subul.css({left:0, top:this._dimensions.h})
				var $innerheader=$curobj.children('a').eq(0)
				$innerheader=($innerheader.children().eq(0).is('span'))? $innerheader.children().eq(0) : $innerheader //if header contains inner SPAN, use that
				$innerheader.append(
					'<img src="'+ droplinemenu.arrowimage.src
					+'" class="' + droplinemenu.arrowimage.classname
					+ '" style="border:0; padding-left: '+droplinemenu.arrowimage.leftpadding+'px" />'
				)
				$curobj.hover(
					function(e){
						var $targetul=$(this).children("ul:eq(0)")
						if ($targetul.queue().length<=1) //if 1 or less queued animations
							if (this.istopheader)
								$targetul.css({left: $mainmenu.offset().left, top: $mainmenu.offset().top+this._dimensions.h})
							if (document.all && !window.XMLHttpRequest) //detect IE6 or less, fix issue with overflow
								$mainmenu.find('ul').css({overflow: (this.istopheader)? 'hidden' : 'visible'})
							$targetul.slideDown(droplinemenu.animateduration.over)
					},
					function(e){
						var $targetul=$(this).children("ul:eq(0)")
						$targetul.slideUp(droplinemenu.animateduration.out)
					}
				) //end hover
			}) //end $headers.each()
			$mainmenu.find("ul").css({display:'none', visibility:'visible', width:$mainmenu.width()})
		}) //end document.ready
	}
}