// formular checker
function check_all()
{
error = "";
plz=document.form.plz.value;
reg_ex_plz=/\d{5}/;
pruef_plz=reg_ex_plz.test(plz);
        if (document.form.name.value == "") { error += "Bitte geben Sie einen Namen ein.\n"; }
        if (document.form.strasse.value == "") { error += "Bitte geben Sie eine Straße ein.\n"; }
        if (document.form.plz.value == "") { error += "Bitte geben Sie eine PLZ ein.\n"; }
        if (document.form.ort.value == "") { error += "Bitte geben Sie einen Ort ein.\n"; }
				if (document.form.email.value == "") { error += "Bitte geben Sie Ihre E-Mail-Adresse ein.\n"; }
        if (!pruef_plz && plz != "") { error += "Bitte korrigieren sie die PLZ.\n"; }
	if (error != ""){
		alert (error);
		return false;
	} else {
		document.form.submit();
	}		
}

// JavaScript Pop-Up Funktion
function pp(url,breite,hoehe) {
w = "width="+ breite +",height="+ hoehe +",top=50,left=150,fullscreen=no,toolbar=no,status=no,menubar=no,scrollbars=no,resizable=no,directories=no,location=no"
window.open(url,"exactpop",w);
}

//menu

function getStyleObject(objectId) {
    if(document.getElementById && document.getElementById(objectId)) {
	// W3C DOM
	return document.getElementById(objectId).style;
    } else if (document.all && document.all(objectId)) {
	// MSIE 4 DOM
	return document.all(objectId).style;
    } else if (document.layers && document.layers[objectId]) {
	// NN 4 DOM
	return document.layers[objectId];
    } else { 	return false;     } } 
 
function changeObjectVisibility(objectId, newVisibility) {
    var styleObject = getStyleObject(objectId);
    if(styleObject) {
	styleObject.visibility = newVisibility;
	return true;
    } else { 	return false;     } }

function moveObject(objectId, newXCoordinate, newYCoordinate) {
    var styleObject = getStyleObject(objectId);
    if(styleObject) {
	styleObject.left = newXCoordinate;
	styleObject.top = newYCoordinate;
	return true;
    } else { 	return false;     } }
    
function showMenu(menuNumber, eventObj) {
var menuId = 'menu' + menuNumber;
if (getStyleObject(menuId).visibility == 'visible' ||
     getStyleObject(menuId).visibility == 'show') {
     hideAllMenus();
	return false;  }
hideAllMenus();
    if(changeObjectVisibility(menuId, 'visible')) {
	eventObj.cancelBubble = true;
	return true;
    } else { 	return false;     } }

var numMenus = 5;

function hideAllMenus() {
// document[last_pic].src = document[last_pic].src.replace(/_3.GIF/,'_1.GIF');
   for(counter = 1; counter <= numMenus; counter++) {
	changeObjectVisibility('menu' + counter, 'hidden');     }
}

document.onclick = hideAllMenus;

// Onmouse over effekt für td's

function tdget(objectId) {
    if(document.getElementById && document.getElementById(objectId)) {
	// W3C DOM
	return document.getElementById(objectId);
    }
	else if (document.all && document.all(objectId)) {
	// MSIE 4 DOM
	return document.all(objectId);
    }
	else if (document.layers && document.layers[objectId]) {
	// NN 4 DOM
	return document.layers[objectId];
    }
	else { 	return false;     } } 
	
function tdon(welchetd) {
    var tdname = tdget(welchetd);
	tdname.className='weiss';
	tdname.bgColor='#000066';
	}
	
function tdout(welchetd) {
  var tdname = tdget(welchetd);
	tdname.className='blau';
	tdname.bgColor='#FFFFFF';
	}