function NewColor(obj,bgcol) {
		if(obj.style) {
			obj.style.backgroundColor=bgcol; //Background-Color
		}
	}

	function classChange(styleChange, item) {
		item.className=styleChange;
	}

    function open_fenster(url,nr,height,width,scrollb) {
            var fenster = window.open(url,nr,"width="+height+",height="+width+",scrollbars="+scrollb+",resizable=no,toolbar=no,directories=no,menubar=no,location=no");
    }