// JavaScript Document

function check_form_contact(phone, e_mail){
	rez=false;
	
	if (phone!="") 
		rez=true;
	else{
		if (e_mail!="" && e_mail.indexOf("@") != -1) rez=true;
	}
	
	if (!rez) alert('Please provide telephone number or valid e-mail address so we can contact you.');
	
	return rez;
}