function xxxgetPageSize() {
			var xScroll, yScroll;
			if (window.innerHeight && window.scrollMaxY) {	
				xScroll = window.innerWidth + window.scrollMaxX;
				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
				if(document.documentElement.clientWidth){
					windowWidth = document.documentElement.clientWidth; 
				} else {
					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 = xScroll;		
			} else {
				pageWidth = windowWidth;
			}
			arrayPageSize = new Array(pageWidth,pageHeight,windowWidth,windowHeight);
			return arrayPageSize;
		};
		/**
		 / THIRD FUNCTION
		 * getPageScroll() by quirksmode.com
		 *
		 * @return Array Return an array with x,y page scroll values.
		 */
		function xxxgetPageScroll() {
			var xScroll, yScroll;
			if (self.pageYOffset) {
				yScroll = self.pageYOffset;
				xScroll = self.pageXOffset;
			} else if (document.documentElement && document.documentElement.scrollTop) {	 // Explorer 6 Strict
				yScroll = document.documentElement.scrollTop;
				xScroll = document.documentElement.scrollLeft;
			} else if (document.body) {// all other Explorers
				yScroll = document.body.scrollTop;
				xScroll = document.body.scrollLeft;	
			}
			arrayPageScroll = new Array(xScroll,yScroll);
			return arrayPageScroll;
		};

$(document).ready(function()
 {
  $('.expand').css({'cursor':'pointer'}).click(function()
   {
    // Get page size from Lightbox
    var arrPageSizes = xxxgetPageSize();
   // Get page scroll from Lightbox
   var arrPageScroll = xxxgetPageScroll();
    var background = $('<div/>');
    $(background).attr('id', 'overlayBackground').animate(
     {
      'opacity' : '.8'
     }, 10).css(
     {
      'width':arrPageSizes[0],
      'height':arrPageSizes[1]
     });

     $('body').append(background);

     var newImage = $('<img/>');
     var width = $('body').width();
     $(newImage).attr('src', $(this).attr('src')).attr('id', 'largeImage').css(
      {
       'top':arrPageScroll[1] + (arrPageSizes[3] / 10),
       'left':arrPageScroll[0]
      });

     $('body').append(newImage).children('.expand').hide();
     $(newImage).fadeIn(1000, function()
      {
       $(this).bind('click', function()
        {
         $(this).fadeOut(10);
         $('div#overlayBackground').fadeOut(100, function()
          {
           $(this).remove();
          });
        });
      });
   });
 });