function reposition(){
	switch(navigator.appName){
		case "Microsoft Internet Explorer":
		var kopf = document.getElementById("kopf");
		switch(navigator.appVersion.split(";")[1]){
			case " MSIE 8.0":
				
				break;
				
			default:
				kopf.style.top = "-3px";
				break;
		}
		
		break;
	}
}