function Slideshow () {
		
		var widthFull   = screen.width;
		var heightFull  = screen.height;
		var screenWidth = window.innerwidth || document.documentElement.clientWidth;
		var screenHeight = window.innerHeight || document.documentElement.clientHeight;
		var imageRoot = null;
            
         this.displayImage = function () {
			/*	var width  = 0;
				var height = 0;*/
                if(!imageRoot) {
                    imageRoot = document.createElement('DIV');
                    imageRoot.className = 'simpleWindowRoot';
                    imageRoot.id        = 'simpleWindow';
                        
                    document.getElementsByTagName('BODY')[0].appendChild(imageRoot);   
                }
				// hide flash
				document.getElementById('intro').style.display='none';
						   
                document.getElementById('simpleWindow').innerHTML = '<div class="simpleWindowHead"><div class="closeButton" id="closeSimpleWindowButton"><font>X</font></div></div><div class="simpleWindowBody" id="simpleWindowBody"></div>';
                document.getElementById('simpleWindowBody').innerHTML = '<!-- Diashow --><img border="0" src="img/banner/start.jpg" id="header_img1" /><img border="0" src="img/banner/stop.jpg" id="header_img2" style="display:none;position:absolute;top:0px;left:0px;" /><!-- Diashow //-->';
				//document.body.innerHTML = '<div id="simpleWindowContainer"></div>';

				/**
				* Banner Change style="display:none;" 
				*/
				bc = new Bannerchange();
				bc.init();				
				//var scrollAmountTop = document.documentElement.scrollTop || window.pageYOffset;       
				
				with(document.getElementById('simpleWindowContainer')) {   					
					style.position = 'absolute';
					style.display='block';
					style.left = '0px';
					style.top = '0px';	
					style.opacity = '0.7';					
					style.zIndex = 98;
					style.backgroundColor = 'black';	
					style.width = widthFull+'px';
					style.height = heightFull+'px';
				}		
                //rücken wir alles in die Mitte nun            
				var img1 = document.getElementById('header_img1');
				var img     = new Image();
                img.src = img1.src;                      
	            if(img.complete) {
	                showImage(img);
	            } else {
	                img.onload = function () {
	                    showImage(img);
	                }
	            }

                Element.eventHandling(document.getElementById('closeSimpleWindowButton'),'click',closeSW);
            }
			
			function showImage(img1){
			//var img1 = document.getElementById('header_img1');
				var leftSpacing = Math.ceil((screenWidth-img1.width-80)/2);
                var topSpacing  = Math.ceil((screenHeight-img1.height-80)/2);
				
                with(document.getElementById('simpleWindow')) {      
					style.display='block';			
					style.position = 'absolute';	
					style.top  = topSpacing+"px";
					style.left = leftSpacing+"px";
					style.zIndex  = 99;                                      		
                    style.border = '1px solid';					
				    style.width  = (img1.width+80)+'px';
                  /*  style.height  = (img1.height)+'px';		*/
                }
			}


        
        function closeSW () {
			bc.stopTimers();
			document.getElementById('intro').style.display='block';
            imageRoot.parentNode.removeChild(imageRoot);
            imageRoot = null;		
			document.getElementById('simpleWindowContainer').style.display = 'none';
        }
}