var mlPointer='leaf';
function ppup(width,height){
	popup=window.open('','popup','scrollbars=yes,width='+width+',height='+height+',locationbar=0,menubar=0,resizable=0,status=0');
	popup.focus();
}

function checkEmail(email) {
	var usr = "([a-zA-Z0-9][a-zA-Z0-9_.-]*|\"([^\\\\\x80-\xff\015\012\"]|\\\\[^\x80-\xff])+\")";
	var domain = "([a-zA-Z0-9][a-zA-Z0-9._-]*\\.)*[a-zA-Z0-9][a-zA-Z0-9._-]*\\.[a-zA-Z]{2,5}";
	var regex = "^"+usr+"\@"+domain+"$";
	var myrxp = new RegExp(regex);
	var check = (myrxp.test(email));
	if (check!=true){
		alert("Bitte geben Sie eine gültige Email-Adresse ein.");
		return false;
	}
	return true;
}