/**
 *This function is identical to rel="gb_page_center[<height>, width]" but makes the greybox closing on clicking the overlay
 */
GB_show_A = function(caption, url, /* optional */ width, height, callback_fn) {
	var options = {
		caption: caption,
		height: height || 500,
		width: width || 500,
		fullscreen: false,
		center_win: true,
		overlay_click_close: true,
		show_loading: true,
		callback_fn: callback_fn
	}
	var win = new GB_Window(options);
	return win.show(url);
}

var KEY_BACKSPACE = 8;
var KEY_TAB = 9;
var KEY_RETURN = 13;
var KEY_ESC = 27;
var KEY_LEFT = 37;
var KEY_UP = 38;
var KEY_RIGHT = 39;
var KEY_DOWN = 40;
var KEY_DELETE = 46;
var KEY_HOME = 36;
var KEY_END = 35;
var KEY_PAGEUP = 33;
var KEY_PAGEDOWN = 34;
var KEY_INSERT = 45;

AJS.AEV(document, 'keypress', 
	function(e) {
		var code = e.keyCode;
		if(code == KEY_ESC) {
			GB_hide();
		}
	}
);