/*********************
//* 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: 'downarrowclass', src: 'down.gif', leftpadding: 5}, //customize down arrow image
animateduration: {over: 0, out: 0}, //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 $dropper = $('a', 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			
			$curobj.parents("ul").length==1? ( $('a', this).addClass("istopheader") ) : 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
			$dropper.click(					
				function(e){					
					var _this = $(this).parent();
					var $targetul=_this.children("ul:eq(0)");
					
					if ($targetul.queue().length<=1) //if 1 or less queued animations
						if ($(this).hasClass("istopheader"))
							$targetul.css({left: $mainmenu.offset().left, top: $mainmenu.offset().top+30})
						if (document.all && !window.XMLHttpRequest) //detect IE6 or less, fix issue with overflow
							$mainmenu.find('ul').css({overflow: ($(this).hasClass("istopheader"))? 'hidden' : 'visible'})
						$targetul.slideDown(droplinemenu.animateduration.over)						
					var iwidth = 0;
					$("li", $targetul).each(function(){
						iwidth = iwidth + $(this).width();
					});
					var btn_left = _this.offset().left;
					var btn_width = _this.width();
					var submenu_width = iwidth;
					var menu_limit = $mainmenu.offset().left + $mainmenu.width(); 
					if ((btn_left + submenu_width) < menu_limit){
						$targetul.css({left: btn_left});
					}else{
						$targetul.css({left: btn_left + btn_width - submenu_width});
					}
					return false;
				}				
			); //end hover	
			$($curobj).bind("mouseleave",(function(e){		
					var $targetul=$(this).children('ul:eq(0)');
					$targetul.slideUp(droplinemenu.animateduration.out);
			}));
		}) //end $headers.each()
		$mainmenu.find("ul").css({display:'none', visibility:'visible', width:$mainmenu.width()})
	}) //end document.ready
}
}