var net=new Object();

net.READY_STATE_UNINITIALIZED=0;
net.READY_STATE_LOADING=1;
net.READY_STATE_LOADED=2;
net.READY_STATE_INTERACTIVE=3;
net.READY_STATE_COMPLETE=4;

net.ContentLoader=function(parentId, url, onload,onerror,method,params,contentType){
//  url="http://www.homepage4.co.uk/"+url;

    if(url.indexOf("?")>-1)
		url+="&hash=" + Math.random();
	else 
		url+="?hash=" + Math.random();

  this.parentId=parentId;
  this.server_url=url;
  this.req=null;
  this.onload=onload;
  this.onerror=(onerror) ? onerror : this.defaultError;
  this.loadXMLDoc(url,method,params,contentType);
}

net.ContentLoader.prototype={
	loadXMLDoc:function(url,method,params,contentType){
		if (!method){
 		   	method="GET";
 		}

		if (!contentType && method=="POST"){
    		contentType='application/x-www-form-urlencoded';
 		}

		if (window.XMLHttpRequest){
		    this.req=new XMLHttpRequest();
		} else if (window.ActiveXObject){
		    this.req=new ActiveXObject("Microsoft.XMLHTTP");
  		}

		if (this.req){
		    try{
					var loader=this;
					this.req.onreadystatechange=function(){
						loader.onReadyState.call(loader);
					}
	
					this.req.open(method,url,true);
			
					if (contentType){
						this.req.setRequestHeader('Content-Type', contentType);
					}
			
					this.req.send(params);
    		}catch (err){
				this.onerror.call(this);
    		}
  		}
 	},

	onReadyState:function(){
		var req=this.req;
		var ready=req.readyState;

		if (ready==net.READY_STATE_COMPLETE){
		var httpStatus=req.status;
    		if (httpStatus==200 || httpStatus==0){
      			this.onload.call(this);
    		}else{ 
      			this.onerror.call(this);
    		}
  		} 
 	},

 	defaultError:function(){ 
 /* 		alert("error fetching data!"
    	+"\n\nreadyState:"+this.req.readyState
    	+"\nstatus: "+this.req.status
    	+"\nheaders: "+this.req.getAllResponseHeaders());*/
	//	alert("You got disconnected from website. Please submit support ticket if you experience any problem");
	//	manager_position('Account Manager', 'external', 'client_manager.php?link=15');
 	}
}