// JavaScript Document

$(document).ready(function() {
	function megaHoverOver(){
		$(this).find(".sub").stop().fadeTo('fast', 1).show();

		var offset = $(this).find(".sub").offset();
		var winW = 630, winH = 460;

		if (parseInt(navigator.appVersion)>3) {

			if (navigator.appName=="Netscape") {
				winW = window.innerWidth;
				winH = window.innerHeight;
			}

			if (navigator.appName.indexOf("Microsoft")!=-1) {
				winW = document.body.offsetWidth;
				winH = document.body.offsetHeight;
			}

		}

		if((winW-(offset.left+200)) < 0){

			$(this).find(".sub").css("margin-left",(winW-(offset.left+200))+'px');

		}

		//Calculate width of all ul's

		(function($) { 

			jQuery.fn.calcSubWidth = function() {

				rowWidth = 0;

				//Calculate row

				$(this).find("ul").each(function() {					

					rowWidth += $(this).width(); 

				});	

			};

		})(jQuery); 

		if ( $(this).find(".row").length > 0 ) { //If row exists...

			var biggestRow = 0;	

			//Calculate each row

			$(this).find(".row").each(function() {							   

				$(this).calcSubWidth();

				//Find biggest row

				if(rowWidth > biggestRow) {

					biggestRow = rowWidth;
				}
			});

			//Set width

			$(this).find(".sub").css({'width' :'200px'});
			$(this).find(".row:last").css({'margin':'0'});

		} else { //If row does not exist...

			$(this).calcSubWidth();
			//Set Width
			$(this).find(".sub").css({'width' : '200px'});

		}
	}

	function megaHoverOut(){ 

	  $(this).find(".sub").css("margin-left",'0px');
	  $(this).find(".sub").stop().fadeTo('fast', 0, function() {

		  $(this).hide(); 

	  });

	}

	var config = {    

		 sensitivity: 2, // number = sensitivity threshold (must be 1 or higher)    
		 interval: 100, // number = milliseconds for onMouseOver polling interval    
		 over: megaHoverOver, // function = onMouseOver callback (REQUIRED)    
		 timeout: 50, // number = milliseconds delay before onMouseOut    
		 out: megaHoverOut // function = onMouseOut callback (REQUIRED)    

	};

	$("ul#topnav li .sub").css({'opacity':'0'});

	$("ul#topnav li").hoverIntent(config);

});