function ExecuteFunction(functionName, executionContext /*, args */) {
    var args = Array.prototype.slice.call(arguments, 2);
    var namespaces = functionName.split(".");
    var func = namespaces.pop();
    for (var i = 0; i < namespaces.length; i++) {
        executionContext = executionContext[namespaces[i]];
    }
    return executionContext[func].apply(executionContext, args);
};

String.prototype.format = function() {
    var args = arguments;
    return this.replace(/{(\d+)}/g, function(match, number) {
        return typeof args[number] != 'undefined'
      ? args[number]
      : match
    ;
    });
};

String.prototype.replaceAll = function(find_string, substitute_string) {
    return this.replace(new RegExp(find_string, 'g'), substitute_string);
};

String.prototype.ltrim = function() {
    return this.replace(/^\s+/, '');
};

String.prototype.rtrim = function() {
    var str = this, ws = /\s/, i = str.length;
    while (ws.test(str.charAt(--i)));
    return str.slice(0, i + 1);
};

String.prototype.trim = function() {
    var str = this.replace(/^\s\s*/, ''),
		    ws = /\s/,
		    i = str.length;
    while (ws.test(str.charAt(--i)));
        return str.slice(0, i + 1);
};

String.prototype.startsWith = function(prefix) {
    return this.indexOf(prefix) == 0;
};

String.prototype.endsWith = function(suffix) {
    return this.indexOf(suffix, this.length - suffix.length) !== -1;
};

function ajax(url, data, success, e, ka) {
    $.ajax({
        type: "POST",
        url: url,
        data: data,
        contentType: "application/json; charset=utf-8",
        dataType: "json",
        success: success,
        error: e
    });
    if (ka != false) {
        var keepAlive = $('<div style="display: none;"></div>');
        var dt = new Date();
        url = '/BIW/Framework/KeepSessionAlive.aspx?t=' + dt.getTime();
        keepAlive.load(url, function() {
            keepAlive.remove();
        });
    }
};

var ajaxCache = function(urlArg, dataArg, onSuccess, onError, cache) {
    if (cache == true) {
        var output = $.data(document, urlArg + dataArg);
        if (output != null && output.expiry > new Date()) {
            onSuccess(output);
            //should we poke the webservice? - keep the session ticking over?
            return;
        }
        else {
            $.data(document, urlArg + dataArg, null);
        }
    }
    $.ajax({
        type: "POST",
        url: urlArg,
        data: dataArg,
        contentType: "application/json; charset=utf-8",
        dataType: "json",
        success: function(output) {
            if (cache) {
                var expiry = new Date();
                expiry.setMinutes(expiry.getMinutes() + 15);
                output.expiry = expiry;
                $.data(document, urlArg + dataArg, output);
                onSuccess(output);
            }
            else {
                onSuccess(output);
            }
        },
        error: onError
    });
};

(function($) {
    $.fn.outerHTML = function() {
        return $(this).clone().wrap('<div></div>').parent().html();
    }
})(jQuery);


var block = function(element) {
    if (element == null || element == undefined) {
        $.blockUI({
            message: '<img alt="loading" src="/skins/BIW/images/AjaxThrobber.gif"></img>',
            css: { backgroundColor: "Transparent", border: "0" }
        });
    }
    else {
        $(element).block({
            message: '<img alt="loading" src="/skins/BIW/images/AjaxThrobber.gif"></img>',
            css: { backgroundColor: "Transparent", border: "0" }
        });
    }
};

var unblock = function(element) {
    if (element == null || element == undefined) {
        $.unblockUI();
    }
    else {
        $(element).unblock();
    }
};


var getOptions = function(param, url, control, addEmpty, callBackFunc, blockControl) {
    if (blockControl != false) {
        $(control).parent().block({
            message: '<img alt="loading" src="/skins/BIW/images/AjaxThrobber.gif"></img>',
            css: { backgroundColor: "Transparent", border: "0" }
        });
    }
    $(control).empty();
    callAjax(url, param == null ? "{}" : JSON.stringify(param),
	function(output) {
	    var options = makeOptions(output.d);
	    if (addEmpty) {
	        $(control).append('<option value=""></option>');
	    }
	    if ($(control).attr('multiple') != true && $(control).attr('size') == 0)
	        $(control).append("<option value='' selected='selected'>Please make a selection</option>");
	    for (var i = 0; i < options.length; i++)
	        $(control).append(options[i]);

	    if (callBackFunc != null) {
	        if ($.isFunction(callBackFunc)) {
	            callBackFunc.call(this);
	        }
	    }
	    $(control).parent().unblock();
	},
	function(jqXHR, textStatus, errorThrown) {
	    handleError(jqXHR, textStatus, errorThrown);
	    $(control).parent().unblock();
	});
};


var makeOption = function(describableBase) {
    var option = $('<option></option>');
    $(option).attr('data-id', describableBase.ID);
    $(option).val(describableBase.ID);
    $(option).text(describableBase.Name);
    $(option).attr('title', describableBase.Description);
    return $(option);
};

var makeOptions = function(describableBaseArray) {
    var options = new Array();
    for (var i = 0; i < describableBaseArray.length; i++) {
        var option = makeOption(describableBaseArray[i]);
        options[i] = option;
    }
    return options;
};

var setCookie = function(c_name, value, exdays) {
    var exdate = new Date();
    exdate.setDate(exdate.getDate() + exdays);
    var c_value = escape(value) + ((exdays == null) ? "" : "; expires=" + exdate.toUTCString());
    document.cookie = c_name + "=" + c_value;
};

var getCookie = function(c_name) {
    var i, x, y, ARRcookies = document.cookie.split(";");
    for (i = 0; i < ARRcookies.length; i++) {
        x = ARRcookies[i].substr(0, ARRcookies[i].indexOf("="));
        y = ARRcookies[i].substr(ARRcookies[i].indexOf("=") + 1);
        x = x.replace(/^\s+|\s+$/g, "");
        if (x == c_name) {
            return unescape(y);
        }
    }
};