function sendMail(){

	var name = document.contact.name.value;
	var email = document.contact.email.value;
	var topic = document.contact.topic.value;
	var messageTitle = document.contact.messageTitle.value;
	var messageText = document.contact.messageText.value;
	var dataString = 'name=' +name+ '&email=' +email+ '&topic=' +topic+ '&messageTitle=' +messageTitle+ '&messageText=' +messageText;
	var url ='sendMail.php';
	//alert(url);
	//alert(dataString);
	overlayFormSubmitter.postFormData(url,dataString,'message');
			
}