function doZoom() {
	
		document.getElementById('b_zoom').blur();
		
		screenshotObj = document.createElement('div');
		screenshotObj.setAttribute('id','screenshot');
		screenshotObj.setAttribute('style','display:none;');
		document.getElementsByTagName('body')[0].appendChild(screenshotObj);
		Element.update('screenshot','<a onclick="return undoZoom();" href="#">PopUp schließen</a>');
	
		hidingObj = document.createElement('div');
		hidingObj.setAttribute('id','hider');
		hidingObj.setAttribute('style','display:none;');
		document.getElementsByTagName('body')[0].appendChild(hidingObj);
		Effect.Appear('hider',{
			to:0.8,
			duration:0.6,
			afterFinish:function() {
		
				Effect.Appear('screenshot',{duration:0.6});
		
			}
		});
		
		
	
		return false;
	
	}
	
	
	function undoZoom() {
	
		Effect.Fade('screenshot',{duration:0.6,afterFinish:function() {

			Effect.Fade('hider',{duration:0.6,afterFinish:function() {
			
				Element.remove('hider');
				Element.remove('screenshot');
			
			}});		
		
		}});
		
		return false;
		
	}