ajax=Class.create();ajax.prototype={initialize:function(url,options){this.transport=this.getTransport();this.postBody=options.postBody||'';this.method=options.method||'post';this.onComplete=options.onComplete||null;this.update=$(options.update)||null;this.request(url);},request:function(url){this.transport.open(this.method,url,true);this.transport.onreadystatechange=this.onStateChange.bind(this);if(this.method=='post'){this.transport.setRequestHeader('Content-type','application/x-www-form-urlencoded');if(this.transport.overrideMimeType)this.transport.setRequestHeader('Connection','close');}
this.transport.send(this.postBody);},onStateChange:function(){if(this.transport.readyState==4&&this.transport.status==200){if(this.update)
setTimeout(function(){this.update.innerHTML=this.transport.responseText;}.bind(this),10);if(this.onComplete)
setTimeout(function(){this.onComplete(this.transport);}.bind(this),10);this.transport.onreadystatechange=function(){};}},getTransport:function(){if(window.ActiveXObject)return new ActiveXObject('Microsoft.XMLHTTP');else if(window.XMLHttpRequest)return new XMLHttpRequest();else return false;}};