getWebShot = function(id, paramList, popUpURL){

		var file = "";
		var theDate = new Date();

		for(var i=0; paramList[i]; i++){
			file += paramList[i];
		}

		file += '&dummy=';
		
		var currentTime = theDate.getTime().toString(10);

		document.write('<img id='+id+' src='+file+currentTime+' alt="Webcam Livebild"/>')

		var webCamImageElement = document.getElementById(id);

		webCamImageElement.onclick = function(){
					window.open(popUpURL, 'mywindow','width=640,height=580');
					};

		
		return  function(){
			if(webCamImageElement.complete){
				var now = new Date().getTime().toString(10);		
				webCamImageElement.src = file+now;
			}
		}

	};