// JavaScript Document
//SETTING UP OUR POPUP
//0 means disabled; 1 means enabled;
var popupStatus = 0;

//loading popup with jQuery magic!
function loadPopup(){
	//loads popup only if it is disabled
	if(popupStatus==0){
		$("#backgroundPopup").css({
			"opacity": "0.7"
		});
		$("#backgroundPopup").fadeIn("fast");
		popupStatus = 1;
	}
}

//disabling popup with jQuery magic!
function disablePopup(){
	//disables popup only if it is enabled
	if(popupStatus==1){
		$("#backgroundPopup").fadeOut("fast");
		popupStatus = 0;
	}
}

//centering popup
function centerPopup(){
	//request data for centering
	var windowWidth = document.documentElement.clientWidth;
	var windowHeight = "100%";
	var safeZone = "94px"
	//only need force for IE6
	
	$("#backgroundPopup").css({
		"height": windowHeight,
		"margin-top": safeZone
	});
	
}
$(document).ready(function() {
	//On Hover Over
function megaHoverOver(){
    $(this).find(".sub").stop().fadeTo('fast', 1).show(); //Find sub and fade it in
		
    (function($) {
        //Function to calculate total width of all ul's
        jQuery.fn.calcSubWidth = function() {
            rowWidth = 0;
            //Calculate row
            $(this).find("ul").each(function() { //for each ul...
                rowWidth += $(this).width(); //Add each ul's width together
            });
        };
    })(jQuery); 

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

        var biggestRow = 0;	

        $(this).find(".row").each(function() {	//for each row...
            $(this).calcSubWidth(); //Call function to calculate width of all ul's
            //Find biggest row
            if(rowWidth > biggestRow) {
                biggestRow = rowWidth;
            }
        });

        $(this).find(".sub").css({'width' :biggestRow}); //Set width
        $("#topnav .sub:last").css({'left' :'-400px'}); //Set width
        $(this).find(".row:last-child").css({'margin':'0'});  //Kill last row's margin

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

        $(this).calcSubWidth();  //Call function to calculate width of all ul's
        $(this).find(".sub").css({'width' : rowWidth}); //Set Width

    }
}
//On Hover Out
function megaHoverOut(){
  $(this).find(".sub").stop().fadeTo('fast', 0, function() { //Fade to 0 opactiy
      $(this).hide();  //after fading, hide it
  });
}

function topNavOver() {
	//centering with css
	centerPopup();
	//load popup
	loadPopup();
}

function topNavOut() {
	disablePopup();
}
//Set custom configurations
var config = {
     sensitivity: 1, // number = sensitivity threshold (must be 1 or higher)
     interval: 50, // 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)
};

var back_config = {
     sensitivity: 1, // number = sensitivity threshold (must be 1 or higher)
     interval: 10, // number = milliseconds for onMouseOver polling interval
	 over: topNavOver, // function = onMouseOver callback (REQUIRED)
     timeout: 10, // number = milliseconds delay before onMouseOut
	 out: topNavOut // function = onMouseOut callback (REQUIRED)
};

$("ul#topnav li .sub").css({'opacity':'0'}); //Fade sub nav to 0 opacity on default
$("ul#topnav li").hoverIntent(config);
$("ul#topnav").hoverIntent(back_config);//Trigger Hover intent with custom configurations
});