function chkEmail(emailStr) 
  {
  // So darf eine email aussehen
  var emailPat=/^[a-zA-Z0-9]+((\.|-|_)[a-zA-Z0-9]+)*@([a-zA-Z0-9]+(-[a-zA-Z0-9]+)*\.)*[a-zA-Z0-9]+-{0,1}[a-zA-Z0-9]+(-{0,1}[a-zA-Z0-9]+)*\.[a-zA-Z]{2,3}$/
  // Passt die eingegebene email in das Pattern?
  var matchArray = emailStr.match(emailPat);
  if (matchArray==null) 
    {
    return false
    }
   return true;
   }  

   
function hint(aMsg)
	{
	window.status = aMsg;
	window.defaultstatus = aMsg;
	return true;
	}   

function today()
	{
	dow = new Array("So", "Mo", "Di", "Mi", "Do", "Fr", "Sa");
	now = new Date();
	y = now.getYear(); if(y < 1900) { y += 1900 };
	m = now.getMonth() + 1; if(m <= 9) { m = "0" + m; }
	d = now.getDate(); if(d <= 9) { d = "0" + d; }
	hh = now.getHours(); if(hh <= 9) { hh = "0" + hh; }
	mm = now.getMinutes(); if(mm <= 9) { mm = "0" + mm; }
	
	s = dow[now.getDay()] + " " + d + "." + m + "." + y + " " + hh + ":" + mm; 
	return s;
	}