$(document).ready(function(){
						   		   
	//When you click on a link with class of poplight and the href starts with a # 
	$('a.poplight[href^=#]').click(function() {
		var popID = $(this).attr('rel'); //Get Popup Name
		var popURL = $(this).attr('href'); //Get Popup href to define size
		var popWidth = 500;
 
		//Fade in the Popup and add close button
		$('#' + popID).fadeIn().css({ 'width': Number( popWidth ) }).prepend('<a href="#" class="close"><img src="/menu_files/close_x.gif" class="btn_close" title="Close Window" alt="Close" /></a>');
		
		//Define margin for center alignment (vertical + horizontal) - we add 80 to the height/width to accomodate for the padding + border width defined in the css
		var popMargTop = ($('#' + popID).height() + 80) / 2;
		var popMargLeft = ($('#' + popID).width() + 80) / 2;
		
		//Apply Margin to Popup
		$('#' + popID).css({ 
			'margin-top' : -popMargTop,
			'margin-left' : -popMargLeft
		});
		
		//Fade in Background
		$('body').append('<div id="fade"></div>'); //Add the fade layer to bottom of the body tag.
		$('#fade').css({'filter' : 'alpha(opacity=80)'}).fadeIn(); //Fade in the fade layer 
		
		return false;
	});
	
	
	//Close Popups and Fade Layer
	$('a.close, #fade').live('click', function() { //When clicking on the close or fade layer...
	  	$('#fade , .popup_block').fadeOut(function() {
			$('#fade, a.close').remove();  
	}); //fade them both out
		
		return false;
	});
 
	function megaHoverOver(){
		$(this).find(".sub").stop().fadeTo('fast', 1).show();
			
		//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' :biggestRow});
			$(this).find(".row:last").css({'margin':'0'});
			
		} else { //If row does not exist...
			
			$(this).calcSubWidth();
			//Set Width
			$(this).find(".sub").css({'width' : rowWidth});
			
		}
	}
	
	function megaHoverOut(){ 
	  $(this).find(".sub").stop().fadeTo('fast', 0, function() {
		  $(this).hide(); 
	  });
	}
 
 
	var config = {    
		 sensitivity: 2, // number = sensitivity threshold (must be 1 or higher)    
		 interval: 50, // number = milliseconds for onMouseOver polling interval    
		 over: megaHoverOver, // function = onMouseOver callback (REQUIRED)    
		 timeout: 400, // number = milliseconds delay before onMouseOut    
		 out: megaHoverOut // function = onMouseOut callback (REQUIRED)    
	};
 
	$("ul#topnavbar li .sub").css({'opacity':'0'});
	$("ul#topnavbar li").hoverIntent(config);

});