function EMail(s)
{
 var a = false;
 var res = false;
	 if(typeof(RegExp) == 'function')
	 {
	  var b = new RegExp('abc');
	  if(b.test('abc') == true){a = true;}
	  }

	 if(a == true)
	 {
	  reg = new RegExp('^([a-zA-Z0-9\\-\\.\\_]+)'+
					   '(\\@)([a-zA-Z0-9\\-\\.]+)'+
					   '(\\.)([a-zA-Z]{2,4})$');
	  res = (reg.test(s));
	 }
	 else
	 {
	  res = (s.search('@') >= 1 &&
			 s.lastIndexOf('.') > s.search('@') &&
			 s.lastIndexOf('.') >= s.length-5)
	 }
 return(res);
}//fct


function chkFormular()
{
email=document.form1.mail.value;	
if (!EMail(email)){
	alert("Das ist keine gültige E-Mailadresse!");
	document.form1.mail.focus();
	 return false;	
}//if
nomen=document.form1.name.value;
if ((nomen.length < 3) || (nomen == "    ")) {
	alert("Bitte korrekten Namen eingeben!");
	return false;
	}	
orga=document.form1.org.value;	
 if((orga.length < 3) || (orga == "   ")){
   alert("Bitte Ihre Institution angeben!");
   document.form1.org.focus();
   return false;
  }	


}//fct