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

            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;
        }

        // -----------------------------------------------------------------------------------

        //
        // getPageSize()
        // Returns array with page width, height and window width, height
        // Core code from - quirksmode.com
        // Edit for Firefox by pHaez
        //
        function getPageSize(){
            
            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;
            
        //	console.log(self.innerWidth);
        //	console.log(document.documentElement.clientWidth);

            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;
            }

        //	console.log("xScroll " + xScroll)
        //	console.log("windowWidth " + windowWidth)

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

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

        function startLoadInfo(url,width,height){
            if(width != null && height != null){
                $('#lightbox').css('width',width);
                $('#lightbox').css('height',height);
                //alert(width + "x" + height)
            }
            //alert($('#lightbox').width() + "x" + $('#lightbox').height());
            $('#lightbox').load(url, finishLoadInfo);
        }

        function finishLoadInfo(){
            var pgSize = getPageSize();
            var pgScroll = getPageScroll();
            var pgWidth = pgSize[0];
            var pgHeight = pgSize[1];
            var scrWidth = pgSize[2];
            var scrHeight = pgSize[3];

            var divWidth = $('#lightbox').width();
            var divHeight = $('#lightbox').height();

            $('#lightbox').css('left',(scrWidth-divWidth)/2);
            $('#lightbox').css('top',(scrHeight-divHeight)/2+pgScroll[1]);
            $('#overlay').css('width',pgWidth);
            $('#overlay').css('height',pgHeight);

            $('#overlay').css({opacity:0.7});
            $('#overlay').fadeIn('fast', function(){ $('#lightbox').show() });
            //$('#overlay').show(0,function(){$('#lightbox').show()});
            //document.getElementById('lightbox').onclick = function(){$('#lightbox').hide();$('#overlay').hide();}
            //document.getElementById('overlay').onclick = function(){$('#lightbox').hide();$('#overlay').hide();}
        }
