addEvent(window, 'load', attachEvents);

function attachEvents() {
	addEvent(document.forms[0]['search'],'mousedown', clear_search_text);
	//addEvent(document.forms[0]['search'],'focus', clear_search_text);
}

function addEvent(obj, evType, fn) {
  if (obj.addEventListener) {
    obj.addEventListener(evType, fn, true);
    return true;
  } else if (obj.attachEvent) {
    var r = obj.attachEvent("on"+evType, fn);
    return r;
  } else {
    return false;
  }
}

function clear_search_text(e) {
	e = e || windo.event;
	if (document.forms[0]['search'].value=="Suchwort..."){
		
		document.forms[0]['search'].value = "";
	}
}

function validate() {
	var frm = document.form1;
				
	if (isWhitespace(frm['vorname'].value)) {
		alert('Bitte Vorname angeben!');
		frm['vorname'].focus();
		return false;
	}
				
	if (isWhitespace(frm['nachname'].value)) {
		alert('Bitte Nachname angeben!');
		frm['nachname'].focus();
		return false;
	}
				
	if (isWhitespace(frm['email'].value)) {
		alert('Bitte E-mail Adresse angeben!');
		frm['email'].focus();
		return false;
	}
	
	if (!isEmail(frm['email'].value)) {
		alert('Ungültige E-mail Adresse!');
		frm['email'].focus();
		return false;															 
  	}
	return true;
}

function megjelenes(x){
		if (document.getElementById(x).style.display == 'none')
			document.getElementById(x).style.display = 'block';
			
		else document.getElementById(x).style.display = 'none';
	}