function menuover(img) {
	var src = img.src;
	
	var file = src.substring(0,src.length-6);
	var marker = src.substring(src.length-6,src.length-4);
	var ext = src.substr(src.length-3);
	
	if (marker=="_n") {
		img.src=file+"_h"+"."+ext;
	}
	else if (marker=="_h") {
		img.src=file+"_n"+"."+ext;		
	}
}

function formact(x,way){
	if (way) {
		x.className="textInputHL";
	}
	else {
		x.className="textInput";
	}
}

function formreserver() {
	var j = document.form1.formreserv.length;
	var val = "";
	

	for (var i=0; i<j; i++) {
		if (document.form1.formreserv[i].checked)
			val = document.form1.formreserv[i].value;
	}
	
	if (val=="ja") {
		val = "";
	}
	else if (val=="nein") {
		val = "none";
		document.form1.formvon.value="";
		document.form1.formbis.value="";
	}

	document.getElementById("zeitraumdiv").style.display=val;	

}