function formCheck() {
	
	var valid = true;
	
	if ( document.contact.name.value=='' ) {
		
		valid=false;
		
	}
	
	if ( document.contact.email.value=='' ) {
		
		valid=false;
		
	}
	
	if ( document.contact.message.value=='' ) {
		
		valid=false;
		
	}
	
	if (valid==false) alert("Please, fill in all required fields.");
	
	return valid;
	
} // end funciton