/*
	Lightbox JS: Fullsize Image Overlays 
	by Lokesh Dhakar - http://www.huddletogether.com

	For more information on this script, visit:
	http://huddletogether.com/projects/lightbox/

	Licensed under the Creative Commons Attribution 2.5 License - http://creativecommons.org/licenses/by/2.5/
	(basically, do anything you want, just leave my name and link)
	
	Table of Contents
	-----------------
	Configuration
	
	Functions
	- getPageScroll()
	- getPageSize()
	- pause()
	- getKey()
	- listenKey()
	- showLightbox()
	- hideLightbox()
	- initLightbox()
	- addLoadEvent()
	
	Function Calls
	- addLoadEvent(initLightbox)

*/
//
// getPageScroll()
// Returns array with x,y page scroll values.
// Core code from - quirksmode.org
//
function getPageScroll(){

	var yScroll;

	if (self.pageYOffset) {
		yScroll = self.pageYOffset;
	} else if (document.documentElement && document.documentElement.scrollTop){	 // Explorer 6 Strict
		yScroll = document.documentElement.scrollTop;
	} else if (document.body) {// all other Explorers
		yScroll = document.body.scrollTop;
	}

	arrayPageScroll = new Array('',yScroll) 
	return arrayPageScroll;
}



//
// getPageSize()
// Returns array with page width, height and window width, height
// Core code from - quirksmode.org
// Edit for Firefox by pHaez
//
function getPageSize(){
	
	var xScroll, yScroll;
	
	if (window.innerHeight && window.scrollMaxY) {	
		xScroll = document.body.scrollWidth;
		yScroll = window.innerHeight + window.scrollMaxY;
	} else if (document.body.scrollHeight > document.body.offsetHeight){ // all but Explorer Mac
		xScroll = document.body.scrollWidth;
		yScroll = document.body.scrollHeight;
	} else { // Explorer Mac...would also work in Explorer 6 Strict, Mozilla and Safari
		xScroll = document.body.offsetWidth;
		yScroll = document.body.offsetHeight;
	}
	
	var windowWidth, windowHeight;
	if (self.innerHeight) {	// all except Explorer
		windowWidth = self.innerWidth;
		windowHeight = self.innerHeight;
	} else if (document.documentElement && document.documentElement.clientHeight) { // Explorer 6 Strict Mode
		windowWidth = document.documentElement.clientWidth;
		windowHeight = document.documentElement.clientHeight;
	} else if (document.body) { // other Explorers
		windowWidth = document.body.clientWidth;
		windowHeight = document.body.clientHeight;
	}	
	
	// for small pages with total height less then height of the viewport
	if(yScroll < windowHeight){
		pageHeight = windowHeight;
	} else { 
		pageHeight = yScroll;
	}

	// for small pages with total width less then width of the viewport
	if(xScroll < windowWidth){	
		pageWidth = windowWidth;
	} else {
		pageWidth = xScroll;
	}


	arrayPageSize = new Array(pageWidth,pageHeight,windowWidth,windowHeight) 
	return arrayPageSize;
}


//
// pause(numberMillis)
// Pauses code execution for specified time. Uses busy code, not good.
// Code from http://www.faqts.com/knowledge_base/view.phtml/aid/1602
//
function pause(numberMillis) {
	var now = new Date();
	var exitTime = now.getTime() + numberMillis;
	while (true) {
		now = new Date();
		if (now.getTime() > exitTime)
			return;
	}
}

//
// getKey(key)
// Gets keycode. If 'x' is pressed then it hides the lightbox.
//

function getKey(e){
	if (e == null) { // ie
		keycode = event.keyCode;
	} else { // mozilla
		keycode = e.which;
	}
	key = String.fromCharCode(keycode).toLowerCase();
	
	if(key == 'x'){ hideLightbox(); }
}


//
// listenKey()
//
function listenKey () {	document.onkeypress = getKey; }
	
function getPosition(who){
    var T= 0,L= 0;
    while(who){
        L+= who.offsetLeft;
        T+= who.offsetTop;
        who= who.offsetParent;
    }
    return [T, L];    
}
//
// showLightbox()
// Preloads images. Pleaces new image in lightbox then centers and displays.
//
function showLightbox()
{
	// prep objects
	var objOverlayTop = document.getElementById('overlayTop');
	var objOverlay = document.getElementById('overlay');		
	var objLightbox = document.getElementById('ConfirmTransferDiv');		
	var objTransferImage = document.getElementById('TransferPoints1_TransferImage');	
	var objHelpFooter = document.getElementById('helpFooter')
	
	var arrayPosition = getPosition(objTransferImage);			
	var arrayPageSize = getPageSize();
	var arrayPageScroll = getPageScroll();

	// set height of Overlay to take up whole page and show	
	objOverlay.style.height = (arrayPageSize[1] + 'px');
	objOverlay.style.width = (arrayPageSize[0] + 'px');
	objOverlay.style.display = 'block';	

	// center lightbox and make sure that the top and left values are not negative
	// and the image placed outside the viewport	
	var lightboxTop = arrayPosition[0] - 200;
	var lightboxLeft = arrayPosition[1] - 25;				
	
	objLightbox.style.top = (lightboxTop < 0) ? "0px" : lightboxTop + "px";
	objLightbox.style.left = (lightboxLeft < 0) ? "0px" : lightboxLeft + "px";					
	
	// A small pause between the image loading and displaying is required with IE,
	// this prevents the previous image displaying for a short burst causing flicker.
	if (navigator.appVersion.indexOf("MSIE")!=-1){
		pause(250);
	} 

	// Hide select boxes as they will 'peek' through the image in IE
	selects = document.getElementsByTagName("select");
    for (i = 0; i != selects.length; i++) {
            selects[i].style.visibility = "hidden";
    }
	if(objHelpFooter)
		objHelpFooter.style.display = "none";

	objLightbox.style.display = 'block';		
	// After image is loaded, update the overlay height as the new image might have
	// increased the overall page height.
	arrayPageSize = getPageSize();
	objOverlay.style.height = (arrayPageSize[1] + 'px');	
	if(objOverlayTop)
	{
		objOverlayTop.style.display = 'block';	
		objOverlayTop.style.height =  '81px';			
		objOverlayTop.style.width = (arrayPageSize[0] + 'px');
	}
	
	// Check for 'x' keypress
	listenKey();

	return false;	
}

function showFaqLayerLightbox(newLeftPos)
{   
	// prep objects
	var objOverlayTop = document.getElementById('overlayTop');
	var objOverlay = document.getElementById('overlay');		
	var objLightbox = document.getElementById('FAQLayer');		
	var objTransferImage = document.getElementById('helpLogo');	
	var objHelpFooter = document.getElementById('helpFooter')
	
	var arrayPosition = getPosition(objTransferImage);			
	var arrayPageSize = getPageSize();
	var arrayPageScroll = getPageScroll();

	// set height of Overlay to take up whole page and show	
	objOverlay.style.height = (arrayPageSize[1] + 'px');
	objOverlay.style.width = (arrayPageSize[0] + 'px');
	objOverlay.style.display = 'block';	

	// center lightbox and make sure that the top and left values are not negative
	// and the image placed outside the viewport	
	var lightboxTop = arrayPosition[0] - 200;
	var lightboxLeft = arrayPosition[1] - 25;				
	
	//objLightbox.style.top = (lightboxTop < 0) ? "0px" : lightboxTop + "px";
	//objLightbox.style.left = (lightboxLeft < 0) ? "0px" : lightboxLeft + "px";					
		// A small pause between the image loading and displaying is required with IE,
	// this prevents the previous image displaying for a short burst causing flicker.
	if (navigator.appVersion.indexOf("MSIE")!=-1){
		pause(250);
	} 

	// Hide select boxes as they will 'peek' through the image in IE
	selects = document.getElementsByTagName("select");
    for (i = 0; i != selects.length; i++) {
            selects[i].style.visibility = "hidden";
    }
	//if(objHelpFooter)
	//	objHelpFooter.style.display = "none";

	//objLightbox.style.display = 'block';	
	
	
	
	if(BrowserDetect.browser == 'Explorer')
    {
		var theTop;
		if (document.all)
		{
			if (!document.documentElement.scrollTop)
			{
				theTop = document.body.scrollTop;
			}
			else
			{
			theTop = document.documentElement.scrollTop;
			}
		}
		else
		{
			theTop = window.pageYOffset;
		}
		if(newLeftPos == "true")
		{
			objLightbox.style.left = '10%';
		}
		else
		{
			objLightbox.style.left = '25%';
		}
		objLightbox.style.top = theTop + 100;
		objLightbox.style.position = 'absolute';
    }
    else
    {
		objLightbox.style.position = 'fixed';
		if(newLeftPos == "true")
		{
			objLightbox.style.left = '10%';
		}
		else
		{
			objLightbox.style.left = '25%';
		}
		objLightbox.style.top = '25%';
    }
    
    objLightbox.style.display = 'block';
	
	
	
	
		
	// After image is loaded, update the overlay height as the new image might have
	// increased the overall page height.
	arrayPageSize = getPageSize();
	objOverlay.style.height = (arrayPageSize[1] + 'px');	
	if(objOverlayTop)
	{
		objOverlayTop.style.display = 'block';	
		objOverlayTop.style.height =  '81px';			
		objOverlayTop.style.width = (arrayPageSize[0] + 'px');
	}
	
	// Check for 'x' keypress
	listenKey();

	return false;	
}

//
// hideLightbox()
//
function hideLightbox()
{
	// get objects
	objOverlayTop = document.getElementById('overlayTop');
	objOverlay = document.getElementById('overlay');
	objLightbox = document.getElementById('ConfirmTransferDiv');
	objHelpFooter = document.getElementById('helpFooter')

	// hide lightbox and overlay
	objOverlay.style.display = 'none';
	objLightbox.style.display = 'none';
	if(objOverlayTop)	
		objOverlayTop.style.display = 'none';

	// make select boxes visible
	selects = document.getElementsByTagName("select");
    for (i = 0; i != selects.length; i++) {
		selects[i].style.visibility = "visible";
	}
	if(objHelpFooter)
		objHelpFooter.style.display = "block";	
	// disable keypress listener
	document.onkeypress = '';
}


function hideFaqLayerLightbox()
{
	// get objects
	objOverlayTop = document.getElementById('overlayTop');
	objOverlay = document.getElementById('overlay');
	objLightbox = document.getElementById('FAQLayer');
	//objHelpFooter = document.getElementById('helpFooter')

	// hide lightbox and overlay
	objOverlay.style.display = 'none';
	objLightbox.style.display = 'none';
	if(objOverlayTop)	
		objOverlayTop.style.display = 'none';

	// make select boxes visible
	selects = document.getElementsByTagName("select");
    for (i = 0; i != selects.length; i++) {
		selects[i].style.visibility = "visible";
	}
	//if(objHelpFooter)
	//	objHelpFooter.style.display = "block";	
	// disable keypress listener
	document.onkeypress = '';
}



	
function CampaignLightbox()
{
	// prep objects
	var objOverlayTop = document.getElementById('overlayTop');
	var objOverlay = document.getElementById('overlay');
	
	var arrayPageSize = getPageSize();
	var arrayPageScroll = getPageScroll();

	// set height of Overlay to take up whole page and show	
	objOverlay.style.display = 'block';	
	
	// A small pause between the image loading and displaying is required with IE,
	// this prevents the previous image displaying for a short burst causing flicker.
	if (navigator.appVersion.indexOf("MSIE")!=-1){
		pause(250);
	} 

	// Hide select boxes as they will 'peek' through the image in IE
	selects = document.getElementsByTagName("select");
    for (i = 0; i != selects.length; i++) {
            selects[i].style.visibility = "hidden";
    }
	
		
	// After image is loaded, update the overlay height as the new image might have
	// increased the overall page height.
	arrayPageSize = getPageSize();
	objOverlay.style.height = (arrayPageSize[1] + 'px');	
	if(objOverlayTop)
	{
		objOverlayTop.style.display = 'block';	
		objOverlayTop.style.height =  '81px';			
		objOverlayTop.style.width = (arrayPageSize[0] + 'px');
	}
	
	// Check for 'x' keypress
	listenKey();

	return false;	
}
	
		
		
function hideCampaignLightbox()
{
	// get objects
	objOverlayTop = document.getElementById('overlayTop');
	objOverlay = document.getElementById('overlay');


	// hide lightbox and overlay
	objOverlay.style.display = 'none';
	
	if(objOverlayTop)	
		objOverlayTop.style.display = 'none';

	// make select boxes visible
	selects = document.getElementsByTagName("select");
    for (i = 0; i != selects.length; i++) 
    {
		selects[i].style.visibility = "visible";
	}
	//if(objHelpFooter)
	//	objHelpFooter.style.display = "block";	
	// disable keypress listener
	document.onkeypress = '';
	document.location.href="../../homepage.aspx"
}