/*
Copyright Drew Broadley 2007
drew@topshelfmedia.co.nz
Example of Javascript:
search = new Object;
search.writeQuery = function(query)
{
// Prepare AJAX query
var url = 'search_ajax?query='+query;
// Execute AJAX query and run "search.writeQueryHtml" on init
ajax.get(url, 'search.writeQueryHtml');
}
search.writeQueryHtml = function(html)
{
// Checking to see if any HTML has been returned
// via the 'html' var yet
if (!html)
{
// Display loading HTML
document.getElementById('query').innerHTML = "Loading..";
}
else
{
// Load in returned HTML
document.getElementById('query').innerHTML = html;
}
}
Example of HTML:
Search
*/
ajax = new Object;
ajax.queue = new Array();
ajax.queue_run = function()
{
var item = ajax.queue.shift();
//alert(item[0]);
if (item)
{
if (item[0] == "GET")
{
ajax.get_run(item[1], item[2]);
}
else
{
ajax.post_run(item[1], item[2], item[3]);
}
}
else
{
ajax.queue_interval();
}
}
ajax.queue_interval = function()
{
setTimeout("ajax.queue_run()", 100);
}
ajax.get = function (url, func)
{
ajax.queue.push(new Array('GET', url, func));
}
ajax.post = function (url, func, post)
{
ajax.queue.push(new Array('POST', url, func, post));
}
ajax.get_run = function (url, func)
{
ajax.url = url;
if (!ajax.req)
{
ajax.build();
}
if (!func)
{
ajax.func = 'ajax.donothing';
}
else
{
ajax.func = func;
}
ajax.req.open("GET", url, true);
eval("ajax.req.onreadystatechange = ajax.gethtml");
ajax.req.send("");
}
ajax.donothing = function()
{
return null;
}
ajax.post_run = function ( url, func, data)
{
var match;
ajax.url = url;
if (!ajax.req)
{
ajax.build();
}
if (!func)
{
ajax.func = 'ajax.donothing';
}
else
{
ajax.func = func;
}
ajax.req.open('POST', url , true);
eval("ajax.req.onreadystatechange = ajax.gethtml");
var post = new Array();
for (var key in data)
{
if (!key.match(/^[^0-9]+$/))
{
match = data[key].split(/=/);
//alert(match[0]+' = '+match[1]);
post.push(match[0]+'='+ajax.escape(unescape(match[1])));
}
else
{
//alert(key+' = '+data[key]);
post.push(key+'='+ajax.escape(unescape(data[key])));
}
}
var post_data = post.join("&");
//alert(post_data);
ajax.req.setRequestHeader("Content-Type","application/x-www-form-urlencoded; charset=UTF-8");
ajax.req.setRequestHeader("Content-length", post_data.length);
ajax.req.setRequestHeader("Connection", "close");
ajax.req.send(post_data);
}
ajax.escape = function(html)
{
html = escape(html);
return html.replace(/\+/g, "%2B");
// alert(html);
//return html;
}
// function - gethtml()
//
// Return ... content
ajax.gethtml = function()
{
//alert(ajax.req.readyState + " - " + ajax.req.status + " - " + ajax.req.responseXML);
if (ajax.req.readyState == 4 && ajax.req.status == 200 && ajax.req.responseXML != null)
{
var html = '';
for (var i = 0; i <=(ajax.req.responseXML.getElementsByTagName("html")[0].childNodes.length - 1); i++)
{
html += ajax.req.responseXML.getElementsByTagName("html")[0].childNodes[i].data;
}
//alert(html);
eval(ajax.func+'(html)');
if (ajax.req.responseXML.getElementsByTagName("javascript")[0])
{
var javascript = '';
for (var i = 0; i <=(ajax.req.responseXML.getElementsByTagName("javascript")[0].childNodes.length - 1); i++)
{
javascript += ajax.req.responseXML.getElementsByTagName("javascript")[0].childNodes[i].data;
}
if (javascript.match(/[a-z0-9]+/))
{
//setTimeout(eval(javascript), 250);
eval(javascript);
}
}
ajax.queue_interval();
//ajax.build();
}
else
{
//if (dock.debug)
//{
//dock.debug("S: "+ajax.req.status+" | ST: "+ajax.req.readyState+" | U: "+ajax.url+" | FUNC: "+ajax.func);
//}
eval(ajax.func+'(null)');
}
}
ajax.build = function ()
{
ajax.req = false;
// Generally Firefox + compatible browsers
if(window.XMLHttpRequest)
{
try
{
ajax.req = new XMLHttpRequest();
}
catch(e)
{
ajax.req = false;
}
}
// Internet Explorer and other embedded OLE Browsers
else if(window.ActiveXObject)
{
try
{
ajax.req = new ActiveXObject("Msxml2.XMLHTTP");
}
catch(e)
{
try
{
ajax.req = new ActiveXObject("Microsoft.XMLHTTP");
}
catch(e)
{
ajax.req = false;
}
}
}
if(ajax.req)
{
return ajax.req;
}
else
{
alert('Error, cannot create XMLObject');
}
}
ajax.querystring = function ()
{
return window.top.location.search.substring(1);
}
setTimeout("ajax.queue_run()", 100);