var current_fieldset = null;
window.onload = function() {
	Init_Formular("anfrage");
}

function Init_Formular(form) {
	var i, fsid, fs = document.getElementsByTagName("fieldset");
	for (i = 0; i < fs.length; i++)
		if (fs[i].parentNode.id == form && (fsid = fs[i].id)) {
			Toggle_Fieldset(fsid);
			if (current_fieldset == null) current_fieldset = fsid;
		}
	Toggle_Fieldset(current_fieldset);
	return true;
}

function Switch_Tabs(obj) {
	var target = obj.getAttribute("href");
	var fsid = target.substr(target.search(/#/)+1, target.length-1);
	if (fsid == null) return false;
	var fsp = document.getElementById(fsid);
	if (fsp == null) return false;
	if (current_fieldset != null) Toggle_Fieldset(current_fieldset); 
	if (Toggle_Fieldset(fsid) == true) current_fieldset = fsid;
	return false;
}

function Toggle_Fieldset(fieldset) {
	var fs= document.getElementById(fieldset);
	if (fs.className == "inactive")	fs.className = null;
	else	fs.className="inactive";
	return true;
}