// Formularfelder überprüfen
function chkMail() {
	var chkOK = true;
	var chkMail = true;
	var chkEmpty = true;
	var msg = "";

	$$(".chkEmpty").each( function(item){
		if($F(item)=="") {
			chkOK = false;
			chkEmpty = false;
			item.setStyle({backgroundColor: '#FF9999'});
		} else {
			item.setStyle({backgroundColor: '#FFFFFF'});
		}
	} );

	$$(".chkEmail").each( function(item){
                var reg = new RegExp('^([a-zA-Z0-9\\-\\.\\_]+)'+'(\\@)([a-zA-Z0-9\\-\\.]+)'+'(\\.)([a-zA-Z]{2,4})$');
                
		if(!reg.test($F(item)))	{
		//if($F(item)=="") {
			chkOK = false;
			chkMail = false;
			item.setStyle({backgroundColor: '#FF9999'});
		} else {
			item.setStyle({backgroundColor: '#FFFFFF'});
		}
	} );

	if(!chkEmpty) msg += "Bitte füllen Sie die farbig hinterlegten Felder aus!\n";
	if(!chkMail) msg += "Bitte tragen Sie eine korrekte E-Mail-Adresse ein!\n";
	if(msg!="") alert(msg);
	return chkOK;
}

function mouseRollOver()
{
	$$('.rollOver').each(function (i)
	{
		i.observe('mouseover', function (e)
		{
			index = i.src.lastIndexOf('.');
			if (index > -1) {i.src = i.src.substring(0, index)+'.mo'+i.src.substring(index);}
		})

		i.observe('mouseout', function (e)
		{
			i.src = i.src.replace('.mo.', '.');
		})
	});
}

//**************************
//*** SPAMSCHUTZ ***  
//**************************


// UnCryptMailto() entschluesselt die Mail-Adresse, zu zuvor mit
// der PHP-Funktion encryptEmail() verschlüsselt wurde
// Anwendung:
/*
<?php $link="javascript:linkTo_UnCryptMailto('".encryptEmail("john@doe.de")."');"; ?>
<a href="<?php echo $link ?>">E-Mail an John Doe schreiben</a>
*/
 
// JS function for uncrypting spam-protected emails:
function UnCryptMailto(s) {	//
	var n=0;
	var r="";
	for(var i=0; i < s.length; i++) {
		n=s.charCodeAt(i);
		if (n>=8364) {n = 128;}
		r += String.fromCharCode(n-(1));
	}
	return r;
}

  // JS function for uncrypting spam-protected emails:
function linkTo_UnCryptMailto(s)	{	//
	location.href="mailto:"+UnCryptMailto(s);
}

//**************************
//***  Languageselector  ***
//**************************


function changeUrl(){
var lang = $("changeLanguage").value;
document.location.replace("http://"+document.location.hostname+"/"+lang+"/index.php");
}

Event.observe(window, 'load',function(){
Event.observe('changeLanguage', 'change',changeUrl);
});
function rollover(id)
{
    var path = document.getElementById(id).src;
	var newpath = path.substring(0,path.length-4) + '-mo.jpg';
	document.getElementById(id).src = newpath;
}
function mouseout(id)
{
	var path2 = document.getElementById(id).src;
	var newpath2 = path2.substring(0,path2.length-7) + '.jpg';
	document.getElementById(id).src = newpath2;
	
}