Namespace.Register("System.Ajax");
if(window.theForm)
{
    if(theForm.onsubmit && typeof(theForm.onsubmit) == "function")
    {
        theForm.__onsubmit = theForm.onsubmit;
    }
    theForm.onsubmit = function(e)
        {
            var returnValue = null;
            if(this.__onsubmit && typeof(this.__onsubmit) == "function")
            {
                returnValue = this.__onsubmit(e);
                if(typeof(returnValue) != "undefined" && !returnValue) return false;
            }
            if(typeof(this.ajaxFrameIndex) == "undefined") this.ajaxFrameIndex = -1;
            this.ajaxFrameIndex++;
            var div = document.createElement("DIV");
            div.innerHTML = '<iframe name="AjaxFrame' + this.ajaxFrameIndex + '" id="AjaxFrame' + this.ajaxFrameIndex + '" frameborder="0" scrolling="no" width="0" height="0"></iframe>';
            document.body.appendChild(div);
            this.target = "AjaxFrame" + this.ajaxFrameIndex;
            return true;
        }
}

System.Ajax.DoCallback = function(params)
    {
        if(!params || !params[0]) return;
        WebForm_DoCallback("__Page", this.EncodeParameters(params), System.Ajax.EventHandler, "", null, true);
    }
    
System.Ajax.ExecuteScript = function(script, type, args)
	{
		if(type == "function")
		{
			script += "(";
			for(var i = 0; i < args.length; i++)
			{
				script += "args[" + i + "],";
			}
			if(args.length > 0) script = script.substring(0, script.length - 1);
			script += ");";
		}
		eval(script);
	}
	
System.Ajax.EventHandler = function(result, context)
    {
        var e = eval(result);
        var params = new Array();
        e.context = e.context;
        
        for(var i in e.params)
        {
            var param = e.params[i];
            if(param.type == "expression") param.value = eval(param.value);
            params[param.name] = param.value;
        }
        for(var i in e.scripts)
        {
			var script = e.scripts[i];
            System.Ajax.ExecuteScript(script.name, script.type, script.args);
        }
        e.scripts = null;
        
        if(e.errorCode != 0)
        {
            if(e.errorHandler)
            {
                var handler = eval(System.Ajax.Decode(e.errorHandler));
                // errorHandler(context, code, message, params)
                if(typeof(handler) == "function") handler(e.context, e.errorCode, e.errorMessage, params);
            }
        }
        else
        {
            if(e.successHandler)
            {
                var handler = eval(System.Ajax.Decode(e.successHandler));
                // successHandler(context, params)
                if(typeof(handler) == "function") handler(e.context, params);
            }
        }
    }
    
System.Ajax.EncodeParameters = function(params)
    {
        if(!params) return "";
        var header = params[0];
        if(!header) return "";
        var data = new Array();
        data[data.length] = "__context=" + header.context;
        data[data.length] = "__successHandler=" + header.successHandler;
        data[data.length] = "__errorHandler=" + header.errorHandler;
        data[data.length] = "__formName=" + (header.formName ? header.formName : "");
        var collections = "";
        var names = new Array();
        var values = new Array();
        if(header.formName)
        {
            var form = document.forms[unescape(header.formName)];
            if(form)
            {
                var elements = form.elements;
                for(var i = 0; i < elements.length; i++)
                {
                    var element = elements[i];
                    var addValue = false;
                    if(element.name)
                    {
                        var value = values[element.name];
                        if(typeof(value) == "undefined")
                        {
                            names[names.length] = element.name;
                            values[element.name] = element.name + "=" + this.Encode(element.value);
                        }
                        else
                        {
                            collections += element.name + "&";
                            if(typeof(value) == "string")
                            {
                                value = new Array("##0" + value);
                                values[element.name] = value;
                            }
                            value[value.length] = "##" + value.length + element.name + "=" + this.Encode(element.value);
                        }
                    }
                }
            }
        }
        
        for(var i = 0; i < names.length; i++)
        {
            var name = names[i];
            var value = values[name];
            if(typeof(value) == "string")
            {
                data[data.length] = value;
            }
            else
            {
                collections = collections.replace(name, name + "=" + value.length);
                for(var j = 0; j < value.length; j++)
                {
                    data[data.length] = value[j];
                }
            }
        }
        data[data.length] = "__collections=" + this.Encode(collections);
        for(var i = 1; i < params.length; i++)
        {
            var param = params[i];
            if(param && param.name && param.type)
            {
                data[data.length] = param.name + "=" + (param.type == "expression" ? this.Encode(eval(this.Decode(param.value))) : param.value);
            }
        }
        return data.join("&");
    }

System.Ajax.DecodeParameters = function(params)
    {
    }
      
System.Ajax.DoPostBack = function(scripts, name)
    {
        for(var i in scripts)
        {
            var script = scripts[i];
            this.ExecuteScript(script.name, script.type, script.args);
        }
        document.getElementById(name).src = "";
//        document.getElementById(name).style.display = "block";
//        document.getElementById(name).width = 1000;
//        document.getElementById(name).height = 1000;
        window.setTimeout('System.Ajax.DeleteNode("' + name + '");', 50);
    }

System.Ajax.Decode = function(value)
    {
        return eval(value);
    }

System.Ajax.Encode = function(value)
    {
        return escape(value);
    }
    
System.Ajax.Reload = function()
    {
        location.reload(true);
    }
    
System.Ajax.DeleteNode = function(id)
    {
        if(!id) return;
        var node = document.getElementById(id);
        if(!node) return;
        node.parentNode.removeChild(node);
    }
    
System.Ajax.Redirect = function(url, replace)
    {
        if(replace)
            location.replace(url);
        else
            location.href = url;
    }
    
System.Ajax.ConfirmRedirect = function(message, url1, url2)
    {
        if(confirm(message))
            if(url1) location.href = url1;
        else
            if(url2) location.href = url2;
    }
    
System.Ajax.ConfirmScript = function(message, script1, script2)
    {
        if(confirm(message))
            if(script1) eval(script1);
        else
            if(script2) eval(script2);
    }

System.Ajax.Alert = function(message)
    {
        alert(message);
    }

System.Ajax.GetChildFrameElement = function(frame, id)
    {
        var frame = document.getElementById(frame);
        if(!frame) return null;
        return frame.contentWindow.document.getElementById(id);
    }
    
System.Ajax.ExpandoAttribute = function(id, attribute, value, type)
    {
        if(!id || !attribute) return;
        var node = document.getElementById(id);
        if(!node) return;
        if(type == "expression") value = eval(value);
        node[attribute] = value;
    }
    
System.Ajax.SetAttribute = function(id, attribute, value)
    {
        if(!id || !attribute) return;
        var node = document.getElementById(id);
        if(!node) return;
        if(node.setAttribute) node.setAttribute(attribute, value);
    }
    
System.Ajax.CloseWindow = function()
    {
        window.close();
    }