iserror=0;

function check_form()
{	
	
	if ( $('input[name=dane_adres]').val()=="" ) { $('input[name=dane_adres]').attr('class','error'); iserror=1; }
	if ( $('input[name=dane_miasto]').val()=="" ) { $('input[name=dane_miasto]').attr('class','error'); iserror=1; }
	if ( $('input[name=dane_kod]').val()=="" ) { $('input[name=dane_kod]').attr('class','error'); iserror=1; }
	if ( $('input[name=dane_tel]').val()=="" ) { $('input[name=dane_tel]').attr('class','error'); iserror=1; }
	if ( $('input[name=dane_osoba]').val()=="" ) { $('input[name=dane_osoba]').attr('class','error'); iserror=1; }
	if ( $('input[name=dane_email]').val()=="" ) { $('input[name=dane_email]').attr('class','error'); iserror=1; }
	if (iserror==1) { alert('Proszę wypełnić pola oznaczone * (gwiazdką)'); iserror=0; return false; } else { return true; }
	
}

function setclass(object, class_name)
{
	// executed ever time key pressed	
	$(object).attr('class',class_name);
}