function show(element){

    element.className += "hover";

}

function hide(element){

    element.className = element.className = "";

}

function fensterFree(ort,wname,w,h,props) {
	win = window.open(ort, wname, props+'width='+w+',height='+h);
}

function buchen(s,w,h) {
	var winW = w?w:860;
	var winH = h?h:500;
	fensterFree(s, 'buchung', winW, winH, 'scrollbars=yes,');
}