var ErrorLogger = Class.create();
ErrorLogger.prototype = { 
	initialize: function(url, opts){
		this.url = url;
		this.active = true;
		this.opts = opts;
		window.onerror = this.onError.bind(this);
	}, 
	onError: function(msg, URI, line){
		try{   
			if(this.active){
				var body = 'URI=' + escape(URI) + '&line=' + line + '&msg=' + escape(msg) + '&brw=' + escape(Object.toJSON(Prototype.Browser)) + '&pv=' + escape(Prototype.Version);
				if('onError' in this.opts)this.opts.onError.apply(this, arguments);
				var opts = {     
						onSuccess : this.onSuccess.bind(this),
						onFailure : this.onComplete,
						postBody : body
				};    
				
				new Ajax.Request(this.url, opts);
			}  
		}catch(e){
				this.onFailure();
		}  return true;
	}, 
	onSuccess: function(){  
		if('onSuccess' in this.opts)this.opts.onSuccess.apply(this, arguments);
	}, 
	onFailure: function(){  
		this.active = false;
		if('onFailure' in this.opts)this.opts.onFailure.apply(this, arguments);
	}
};