Function popup

HTML/external/syntaxhighlighter_3.0.83/src/shCore.js:591–607

* Opens up a centered popup window. * @param {String} url URL to open in the window. * @param {String} name Popup name. * @param {int} width Popup width. * @param {int} height Popup height. * @param {String} options window.open() options. * @return {Window} Returns window instance.

(url, name, width, height, options)

 * @return {Window}			Returns window instance.
 */
function popup(url, name, width, height, options)
{
	var x = (screen.width - width) / 2,
		y = (screen.height - height) / 2
		;
		
	options +=	', left=' + x + 
				', top=' + y +
				', width=' + width +
				', height=' + height
		;
	options = options.replace(/^,/, '');

	var win = window.open(url, name, options);
	win.focus();
	return win;
};

/**
 * Adds event handler to the target object.