$(document).ready(function() {
	
	//if submit button is clicked
	$('#submit').click(function () {
		
		//Get the data from all the fields
		var firma = $('input[name=firma]');
		var adres = $('input[name=adres]');
		var kontaktowa = $('input[name=kontaktowa]');
		var telefon = $('input[name=telefon]');
		var email = $('input[name=email]');
		var error = 0;

		//Simple validation to make sure user entered something
		//If error found, add hightlight class to the text field
if (firma.val()=='') { 
firma.css({'background-color': 'pink'}); 
error=1;
} else firma.css({'background-color': 'white'}); 

if (email.val()=='') { 
email.css({'background-color': 'pink'}); 
error=1;
} else{
	var filter = /^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,4})+$/;
	if(filter.test(email.val())){
		email.css({'background-color': 'white'}); 
	}else{
		email.css({'background-color': 'pink'});
		error=1;
	}

}
if (adres.val()=='' || adres.val().indexOf(' ')==-1) { 
adres.css({'background-color': 'pink'}); 
error=1;
} else adres.css({'background-color': 'white'}); 

if (telefon.val()=='') { 
telefon.css({'background-color': 'pink'}); 
error=1;
} else{
	var filter2 = /^[0-9+ ()-]*$/;
	if (filter2.test(telefon.val())){
		telefon.css({'background-color': 'white'}); 
	}else{
		telefon.css({'background-color': 'pink'});
		error=1;
	}

}

if (kontaktowa.val()=='') { 
kontaktowa.css({'background-color': 'pink'}); 
error=1;
} else kontaktowa.css({'background-color': 'white'}); 


if (error) return false;	


	});	
});