function AJAX_GET( link ) {
	var http_request = false; 
	if(window.XMLHttpRequest) http_request=new XMLHttpRequest();
	else if (window.ActiveXObject) http_request = new ActiveXObject("Microsoft.XMLHTTP");	
	if( !http_request ) return false; 
	
	window.status = "Please wait...";
	http_request.open('GET', link, false); 
	http_request.send("empty"); 
	window.status = ""; 
	
	if (http_request.readyState == 4 && http_request.status == 200 ) return http_request.responseText; 
	else return false;
}

// PARAMETERS SAME FORMAT AS GET param1=encodeURI(value1)&param2=encodeURI(value2)...
function AJAX_POST( url, parameters ) {
	var http_request = false; 
	if( window.XMLHttpRequest ) http_request = new XMLHttpRequest();
	else if ( window.ActiveXObject ) http_request = new ActiveXObject("Microsoft.XMLHTTP");	
	if( !http_request ) return false;
 
	http_request.open('POST', url, false);
	http_request.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
	http_request.setRequestHeader("Content-length", parameters.length);
	http_request.setRequestHeader("Connection", "close");
	http_request.send(parameters);
	
	if ( http_request.readyState == 4 && http_request.status == 200 ) return http_request.responseText; 
	else return false;	
}

function displayRow(id){
	var row = document.getElementById("captionRow" + id)
	if (row.style.display == '') row.style.display = 'none';
	else row.style.display = '';
}

function displayImages(){
	var row = document.getElementById("hotel_images")
	if (row.style.display == '') row.style.display = 'none';
	else row.style.display = '';
}