function sendEmail(){
     var url = '/ajax-contact.php';	
	 
	 firstname = document.getElementById('firstname').value;
	 lastname = document.getElementById('lastname').value;
	 phone = document.getElementById('phone').value;
	 email = document.getElementById('email').value;	 
	 if (document.getElementById('morning').checked)
	 time = document.getElementById('morning').value;	 	 
	 else 
	 time = document.getElementById('evening').value;	 	 	 
	 zone = document.getElementById('zone').value;	 	 	 
	 var pars = 'SubmitTest=1&firstname='+escape(firstname)+'&lastname='+escape(lastname)+'&phone='+escape(phone)+'&email='+escape(email)+'&time='+escape(time)+'&zone='+escape(zone);
	 
     var target = 'data-contact';
	 setListTargetToLoadingState(target);	
	 
     new Ajax(url+'?'+pars, {
		method: 'get',
		update: $('data-contact')	
	}).request();
	 
}

function setListTargetToLoadingState(target) {
	document.getElementById(target).innerHTML = '<div style="text-align:center;"><img src="/images/loader.gif" /></div>';
}