function setShadow(){
	if(navigator.userAgent.indexOf("Firefox/2") < 0){
		document.getElementById("container_schatten").style.left = document.getElementById("container").offsetLeft + document.getElementById("container").offsetWidth + "px";
		document.getElementById("container_schatten").style.height = document.getElementById("container").offsetHeight + "px";
		document.getElementById("container_schatten").style.display = "block";
	}
}