function kconfirm(question) {
	if(!question)
		question = 'Are you sure?';
	return confirm(question);
}

function kAjaxError() {
	alert('Something wrong with a server!');
}

function kBlocker(dialog, width, height, left, top) {
	var _params = {};
		_params.css = {};
		_params.overlayCSS = {};

		_params.css.border  = '1px solid #000';
		_params.css.padding = '0',
		_params.css.backgroundColor = '#FFF',
		_params.css.width   = (width ? width : '300px'),
		_params.css.height  = (height ? height : '185px'),
		_params.css.left    = (left ? left : '35%'),
		_params.css.top     = (top ? top : '40%'),

		_params.overlayCSS.backgroundColor = '#EEE';

		_params.message = dialog;

	$.blockUI(_params);
}

function kUnblock(fnc) {
	if(!fnc) {
		fnc = function() {};
	}

	jQuery.unblockUI({
		onUnblock: fnc
	});
}