function changeImg(image, imageIndex)
{
	document.images[imageIndex].src = image;
	return false;
}

function addbookmark(){
	bookmarkurl="http://www.blaupapier.at";
	bookmarktitle="Blaupapier";
	if (document.all){
		window.external.AddFavorite(bookmarkurl,bookmarktitle);
	}
}

function validateNewsletterform(myform) {
	msg = "";
	if(myform.newsletter.value==""){
		msg = "Please enter your e-mail adress.\nBitte geben Sie Ihre E-Mail Adresse an.";
	}
	if(msg!=""){
		alert(msg);
		return false;
	}
}

function info(breite,hoehe,datei,fenstername,scrollbars){
	var mittehorizontal=(screen.width-breite)/2;
	var mittevertikal=(screen.height-hoehe)/2;
	var eigenschaften="width="+breite+",height="+hoehe+",left="+mittehorizontal+",top="+ mittevertikal+",menubar=no, resizable=no, locationbar=no, statusbar=no, scrollbars="+scrollbars;
	window.open(datei,fenstername,eigenschaften);
}


function validateLoginform(myform) {
	msg = "";
	if(myform.email.value==""){
		msg = "Please enter your e-mail adress.\n";
	}
	if(myform.passwort.value==""){
		msg += "Please enter your password.";
	}
	if(msg!=""){
		alert(msg);
		return false;
	}
}