function chkFormular(x){	
   if(document.forms[0].t_FirstName.value == ""){
	 	alert("\"First Name\" required !");
   document.forms[0].t_FirstName.focus();
    return false;
      }
   if(document.forms[0].t_FamilyName.value == ""){
	 	alert("\"Family Name\" required");
    document.forms[0].t_FamilyName.focus();
    return false;
      }				
   if(document.forms[0].t_PrivateEmail1.value == ""){
	 	alert("\"Private Email (1)\" required");
    document.forms[0].t_PrivateEmail1.focus();
    return false;
      }		
   if((document.forms[0].t_PrivateEmail1.value.indexOf('@') == -1)||
	  (document.forms[0].t_PrivateEmail1.value.indexOf('.') == -1)){
		alert("Bitte gültige E-Mail-Adresse eingeben!");
    document.forms[0].t_PrivateEmail1.focus();
    return false;
	  }
		return true;
}