// remote scripting library
		// (c) copyright 2005 modernmethod, inc
		var sajax_debug_mode = false;
		var sajax_request_type = "GET";
		var sajax_target_id = "";
		var sajax_failure_redirect = "";
		
		function sajax_debug(text) {
			if (sajax_debug_mode)
				alert(text);
		}
		
 		function sajax_init_object() {
 			sajax_debug("sajax_init_object() called..")
 			
 			var A;
 			
 			var msxmlhttp = new Array(
				'Msxml2.XMLHTTP.5.0',
				'Msxml2.XMLHTTP.4.0',
				'Msxml2.XMLHTTP.3.0',
				'Msxml2.XMLHTTP',
				'Microsoft.XMLHTTP');
			for (var i = 0; i < msxmlhttp.length; i++) {
				try {
					A = new ActiveXObject(msxmlhttp[i]);
				} catch (e) {
					A = null;
				}
			}
 			
			if(!A && typeof XMLHttpRequest != "undefined")
				A = new XMLHttpRequest();
			if (!A)
				sajax_debug("Could not create connection object.");
			return A;
		}
		
		var sajax_requests = new Array();
		
		function sajax_cancel() {
			for (var i = 0; i < sajax_requests.length; i++) 
				sajax_requests[i].abort();
		}
		
		function sajax_do_call(func_name, args) {
			var i, x, n;
			var uri;
			var post_data;
			var target_id;
			
			sajax_debug("in sajax_do_call().." + sajax_request_type + "/" + sajax_target_id);
			target_id = sajax_target_id;
			if (typeof(sajax_request_type) == "undefined" || sajax_request_type == "") 
				sajax_request_type = "GET";
			
			uri = "/js/rotators.js";
			if (sajax_request_type == "GET") {
			
				if (uri.indexOf("?") == -1) 
					uri += "?rs=" + escape(func_name);
				else
					uri += "&rs=" + escape(func_name);
				uri += "&rst=" + escape(sajax_target_id);
				uri += "&rsrnd=" + new Date().getTime();
				
				for (i = 0; i < args.length-1; i++) 
					uri += "&rsargs[]=" + escape(args[i]);

				post_data = null;
			} 
			else if (sajax_request_type == "POST") {
				post_data = "rs=" + escape(func_name);
				post_data += "&rst=" + escape(sajax_target_id);
				post_data += "&rsrnd=" + new Date().getTime();
				
				for (i = 0; i < args.length-1; i++) 
					post_data = post_data + "&rsargs[]=" + escape(args[i]);
			}
			else {
				alert("Illegal request type: " + sajax_request_type);
			}
			
			x = sajax_init_object();
			if (x == null) {
				if (sajax_failure_redirect != "") {
					location.href = sajax_failure_redirect;
					return false;
				} else {
					sajax_debug("NULL sajax object for user agent:\n" + navigator.userAgent);
					return false;
				}
			} else {
				x.open(sajax_request_type, uri, true);
				// window.open(uri);
				
				sajax_requests[sajax_requests.length] = x;
				
				if (sajax_request_type == "POST") {
					x.setRequestHeader("Method", "POST " + uri + " HTTP/1.1");
					x.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
				}
			
				x.onreadystatechange = function() {
					if (x.readyState != 4) 
						return;

					sajax_debug("received " + x.responseText);
				
					var status;
					var data;
					var txt = x.responseText.replace(/^\s*|\s*$/g,"");
					status = txt.charAt(0);
					data = txt.substring(2);

					if (status == "") {
						// let's just assume this is a pre-response bailout and let it slide for now
					} else if (status == "-") 
						alert("Error: " + data);
					else {
						if (target_id != "") 
							document.getElementById(target_id).innerHTML = eval(data);
						else {
							try {
								var callback;
								var extra_data = false;
								if (typeof args[args.length-1] == "object") {
									callback = args[args.length-1].callback;
									extra_data = args[args.length-1].extra_data;
								} else {
									callback = args[args.length-1];
								}
								callback(eval(data), extra_data);
							} catch (e) {
								sajax_debug("Caught error " + e + ": Could not eval " + data );
							}
						}
					}
				}
			}
			
			sajax_debug(func_name + " uri = " + uri + "/post = " + post_data);
			x.send(post_data);
			sajax_debug(func_name + " waiting..");
			delete x;
			return true;
		}
		
				
		// wrapper for get_rotator_images		
		function x_get_rotator_images() {
			sajax_do_call("get_rotator_images",
				x_get_rotator_images.arguments);
		}
		
		
var rotator_images = Object();
var rotator_indices= Object();

function find_rotators() {
	var divs = document.getElementsByTagName('div');
  for( var i = 0; i < divs.length; i++ ) {
  	var div = divs[i];
  	if( div.className ) {
  	  var cls = div.className.match(/rotate:([A-Za-z0-9_]+)(:([0-9]*))?/);
  	  if( cls && cls.length > 0 ) {  			
  	  	if( div.id == '' ) { div.id = get_unique_id(); }
  	  	
  	  	var interval = ( cls.length > 3 && cls[3] ) ? cls[3] : 3000;
  	  	initialize_rotator(div,cls[1],interval);
  	  }
    }
  }
}

function initialize_rotator(div,dir,interval) {
	x_get_rotator_images(div.id,dir,interval,rotator_loaded);
}

function rotator_loaded(data) {
	
	if( data.images ) {
		
		// Translate js object to array
		var imageArray = new Array();
		for( var i in data.images ) {
		  imageArray[parseInt(i)] = '/images/photos/rotators/'+data.dir+'/'+data.images[i];	
		}
		
		rotator_images[data.rotator_id] = imageArray;
    rotator_indices[data.rotator_id] = 0;
    
    var img = document.createElement('img');
    img.src = imageArray[0];
    img.id = data.rotator_id + 'img';
    img.style.filter = 'blendTrans(duration=1.5)';
    var div = document.getElementById(data.rotator_id);
    if( div ) {
    	div.appendChild( img );
      window.setInterval('rotate_image(\''+div.id+'\')',data.interval);
    }
    
  } else {
  	var error = document.createElement('h1');
  	error.innerHTML = 'No Images found for this rotator.';
  	error.style.color = 'red';
  	error.style.fontSize = '1.2em';
  	div.appendChild(error);
  }
}

function rotate_image(rid) { 
	
	if( rotator_indices[rid] >= rotator_images[rid].length-1 ) {
		rotator_indices[rid] = 0;
	} else {
		rotator_indices[rid]++;
	}
	
	var img = document.getElementById(rid+'img');
	var newsrc = rotator_images[rid][rotator_indices[rid]];
	
	if( img.filters ) {	img.filters.blendTrans.apply() }
	img.src = newsrc;
  if( img.filters ) { img.filters.blendTrans.play() }	

}

function get_unique_id() {
	var not_unique = true;
	var uid;
	while( not_unique ) {
	  var chars = '0123456789abcdefghijklmnopqurstuvwxyz';
	  uid = 'id_';
	  for( var i=0; i <= 10; i++ ) {
		  uid += chars.substr(Math.floor(Math.random() * chars.length),1);
	  }
	  not_unique = document.getElementById(uid);
  }
  return uid;
}