function getResponse($request){ 
	$ch = curl_init(); 
	$xml =$request; 
	curl_setopt($ch, CURLOPT_URL,$this->url); 
	curl_setopt($ch, CURLOPT_HTTPHEADER,array("SOAPAction:http://tourico.com/webservices/SearchHotels","Content-Type: text/xml")); 
	curl_setopt($ch, CURLOPT_POST, 1); 
	curl_setopt($ch, CURLOPT_POSTFIELDS,$xml); 
	curl_setopt ($ch, CURLOPT_RETURNTRANSFER, 1);  
	$xml_response=curl_exec ($ch); 
	curl_close ($ch); 
	return $xml_response; 
}