function createWindow(_url, _name, _width, _height, _option){
	var w = "width=" + _width;
	var h = "height=" + _height;

	var _options = new Array();
	if(_option != null){
		_options = arguments[4].split(",");
	}

	_options.push(w);
	_options.push(h);



	var win = window.open(_url, _name, _options.join(","));
	win.focus();
}