var ie = document.all;
		wmtt = null;
		document.onmousemove = updateWMTT;
		function updateWMTT(e) {
			if (wmtt != null && wmtt.style.display == 'block') {
				if(ie) {
					x = window.event.x + 120; //20
					y = window.event.y + 178; //200
				}
				else {
					x = e.pageX + wmtt.offsetParent.scrollLeft - wmtt.offsetParent.offsetLeft + 120;
					y = e.pageY + wmtt.offsetParent.scrollTop - wmtt.offsetParent.offsetTop - 5;
				}
				
				//wmtt.style.left = x + "px";
				wmtt.style.top   = y + "px";
		  }
		}

		function showWMTT(wert) {
			posX = wert.substr(0, 3);
			posY = wert.substr(4);	
			wmtt = document.getElementById('tooltip2');
			wmtt.style.display = "block";
			wmtt.style.background= 'url(images/vorschau.jpg) -' + posX + 'px -' + posY + 'px';
		}

		function hideWMTT() {
			wmtt.style.display = "none";
		}	


/*---------------E-Mail Formular checker----------------*/

function validate_form() {
	var text="Bitte vergessen Sie nicht, die folgenden Felder noch auszufüllen:\n\n";
	validity = true; // assume valid
	
	if (!check_empty(document.kontakt.vorname.value)) {
		validity = false; text= text+ "\t->\tVorame\n";
	}
	
	if (!check_empty(document.kontakt.name.value)) {
		validity = false; text= text+ "\t->\tName\n";
	}
	
	if (!check_empty(document.kontakt.strasse.value)) {
		validity = false; text= text+ "\t->\tStrasse\n";
	}
	
	if (!check_empty(document.kontakt.adresse.value)) {
		validity = false; text= text+ "\t->\tPLZ, Ort\n";
	}
	
	if (!check_empty(document.kontakt.tel.value)) {
		validity = false; text= text+ "\t->\tTelefon\n";
	}
	
	if (!check_email(document.kontakt.email.value)) {
		validity = false; text= text+ "\t->\tE-Mail (ungültig)\n";
	}
	
	if (!check_empty(document.kontakt.mitteilung.value)) {
		validity = false; text= text+ "\t->\tMitteilung\n";
	}
	
	code = MD5(document.kontakt.code1.value);
	if ( code+".png" != document.kontakt.code2.value) {
		validity = false; text= text+ "\t->\tSpam-Schutz (ungültig)\n ";
	}
	
	if (validity == false) {
		alert(text);
	}
	return validity;
}

function check_email(address) {
if ((address == "")
  || (address.indexOf ('@') == -1)
  || (address.indexOf ('.') == -1))
    return false;
return true;
}

function check_empty(text) {
	return (text.length > 0); // gibt false zurueck wenn leer
}