// JavaScript Document
        function isEmail(email) {
			var error = "";
			var reg = /^([A-Za-z0-9_\-\.])+\@([A-Za-z0-9_\-\.])+\.([A-Za-z]{2,4})$/;
			if(reg.test(email) == false) {
			  error ="Wypełnij email!\n";
			}
         	return error;	  
       }
        
        
        function isNotEmpty(strng, what) {
        var error = "";
          if (strng.length <3 ) {
             error = "Wypełnij "+what+"! \n"
          }
        return error;	  
        }
        
        
        function checkWholeForm(theForm, variant) {
            var why = "";
            why += isEmail(theForm.email.value);
			why += isNotEmpty(theForm.dane_osobowe.value, 'imię i nazwisko');
			why += isNotEmpty(theForm.telefon.value, 'telefon');
			if (variant==1) {
				why += isNotEmpty(theForm.kod.value, 'kod');
				why += isNotEmpty(theForm.miasto.value, 'miejscowość');
				why += isNotEmpty(theForm.tresc.value, 'treść');
			}
            if (why != "") {
               alert(why);
               return false;
            }
			return true;
        }