/*
	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)

*/



//
// Configuration
//

// If you would like to use a custom loading image or close button reference them in the next two lines.
var loadingImage = '/java/loading.gif';		
var closeButton = '/java/close.gif';		





//
// 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('upload'); }
}


//
// listenKey()
//
function listenKey () {	document.onkeypress = getKey; }
	

//
// showLightbox()
// Preloads images. Pleaces new image in lightbox then centers and displays.
//
function showLightbox1(index)
{
	// prep objects
	var objOverlay = document.getElementById('overlay');
	var objLightbox = document.getElementById(index);
	/*var objCaption = document.getElementById('lightboxCaption');
	var objImage = document.getElementById('lightboxImage');
	var objLoadingImage = document.getElementById('loadingImage');
	var objLightboxDetails = document.getElementById('lightboxDetails');*/

	
	var arrayPageSize = getPageSize();
	var arrayPageScroll = getPageScroll();

	// center loadingImage if it exists
	//if (objLoadingImage) {
	//}

	// set height of Overlay to take up whole page and show
	
	var ie = 'Microsoft Internet Explorer'
	var nt = 'Netscape';
	
		objOverlay.style.height = (arrayPageSize[1] + 'px');
		//objOverlay.style.width = '100%';
		objOverlay.style.display = 'block';
		//alert(objLightbox.style.width);
		objLightbox.style.left = (((arrayPageSize[0] - 20 - 450) / 2) + 'px');
		//scrollObj(objLightbox,150);
		objLightbox.style.top = (arrayPageScroll[1] + ((arrayPageSize[3] - 35 - 300) / 2) + 'px');
		objLightbox.style.display = 'block';
		
	// preload image
	/*imgPreload = new Image();

	imgPreload.onload=function(){
		objImage.src = objLink.href;

		// center lightbox and make sure that the top and left values are not negative
		// and the image placed outside the viewport
		var lightboxTop = arrayPageScroll[1] + ((arrayPageSize[3] - 35 - imgPreload.height) / 2);
		var lightboxLeft = ((arrayPageSize[0] - 20 - imgPreload.width) / 2);
		
		objLightbox.style.top = (lightboxTop < 0) ? "0px" : lightboxTop + "px";
		objLightbox.style.left = (lightboxLeft < 0) ? "0px" : lightboxLeft + "px";


		objLightboxDetails.style.width = imgPreload.width + 'px';
		
		if(objLink.getAttribute('title')){
			objCaption.style.display = 'block';
			//objCaption.style.width = imgPreload.width + 'px';
			objCaption.innerHTML = objLink.getAttribute('title');
		} else {
			objCaption.style.display = 'none';
		}
		
		// 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);
		} 

		if (objLoadingImage) {	objLoadingImage.style.display = 'none'; }*/

		// Hide select boxes as they will 'peek' through the image in IE
		selects = document.getElementsByTagName("select");
        for (i = 0; i != selects.length; i++) {
        	if(selects[i].className!='nohide')
        	{
                selects[i].style.visibility = "hidden";
            }
        }

	
		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');
		//objOverlay.style.width = '100%';
		// Check for 'x' keypress
		//listenKey();

	/*	return false;
	}*/

	//imgPreload.src = objLink.href;
	
}

/*var i=0;
function scrollObj(index,topFinal)
{
	index.style.top=i;
	i++;
	if(i>topFinal)
	{
		i=0;
		clearTimeout(t);
	}
	t=setTimeout(20,'scrollObj()');
}*/



//
// hideLightbox()
//
function hideLightbox1(index)
{
	// get objects
	objOverlay = document.getElementById('overlay');
	objLightbox = document.getElementById(index);

	// hide lightbox and overlay
	objOverlay.style.display = 'none';
	objLightbox.style.display = 'none';

	// make select boxes visible
	selects = document.getElementsByTagName("select");
    for (i = 0; i != selects.length; i++) {
		selects[i].style.visibility = "visible";
	}

	// disable keypress listener
	//document.onkeypress = '';
}

function createRequestObject(){
  var req;
  try
  {
    // Firefox, Opera, Safari
    req = new XMLHttpRequest();
  }
  catch (e)
  {
    // Internet Explorer
    try
    {
      //For IE 6
      req = new ActiveXObject("Msxml2.XMLHTTP");
    }
    catch (e)
    {
      try
      {
        //For IE 5 
        req = new ActiveXObject("Microsoft.XMLHTTP");
      }
      catch (e)
      {
        alert('Your browser is not IE 5 or higher, or Firefox or Safari or Opera'); 
      }
    }
  } 
  return req;
}
//Make the XMLHttpRequest Object
var http = createRequestObject();
var tag_name;
/*
var m;
var y;

var d = new Date();
var mon = d.getMonth();
var yr = d.getFullYear();
var dt = d.getDate();

y=yr;
m=(mon+1);
*/

function sendRequestUp(method, url)
{
	//document.getElementById('proc').style.display='block';
    //document.getElementById('calendar').style.display='none';
	
	//alert('Calling calendar...'+m+' url is '+url);
  if(method == 'get' || method == 'GET')
  {
    http.open(method,url,true);
    //alert("call "+url);
    http.onreadystatechange = handleResponse1;
    http.send(null);
  }
}

function handleResponse1()
{
  if(http.readyState == 4 && http.status == 200){
    var response = http.responseText;
    if(response)
    {
      	document.getElementById("upload").innerHTML = response;
		//document.getElementById('proc').style.display='none';
		//document.getElementById("player").style.display='block';
		showLightbox1('upload');

    }
  } 
}