Javascript: OPEN WINDOW

Author
Justas
Description
Javascript open window sometimes is useful for adding a popup window to your pages. When the user clicks on a link, a new window opens and displays a page. There are some available optional parameters which are passed as a second object parameter to this Javascript open window function (look above):

* width, height, left, top, center, name, scrollbars, menubar, locationbar, resizable
Visits
12832
Share
Digg Del.icio.us Reddit Simpy StumbleUpon Furl Yahoo Spurl Google Blinklist Blinkbits Ma.Gnolia Technorati Newsvine Netvouz Slashdot Netscape 
function openWindow(anchor, options) {
 
	var args = '';
 
	if (typeof(options) == 'undefined') { var options = new Object(); }
	if (typeof(options.name) == 'undefined') { options.name = 'win' + Math.round(Math.random()*100000); }
 
	if (typeof(options.height) != 'undefined' && typeof(options.fullscreen) == 'undefined') {
		args += "height=" + options.height + ",";
	}
 
	if (typeof(options.width) != 'undefined' && typeof(options.fullscreen) == 'undefined') {
		args += "width=" + options.width + ",";
	}
 
	if (typeof(options.fullscreen) != 'undefined') {
		args += "width=" + screen.availWidth + ",";
		args += "height=" + screen.availHeight + ",";
	}
 
	if (typeof(options.center) == 'undefined') {
		options.x = 0;
		options.y = 0;
		args += "screenx=" + options.x + ",";
		args += "screeny=" + options.y + ",";
		args += "left=" + options.x + ",";
		args += "top=" + options.y + ",";
	}
 
	if (typeof(options.center) != 'undefined' && typeof(options.fullscreen) == 'undefined') {
		options.y=Math.floor((screen.availHeight-(options.height || screen.height))/2)-(screen.height-screen.availHeight);
		options.x=Math.floor((screen.availWidth-(options.width || screen.width))/2)-(screen.width-screen.availWidth);
		args += "screenx=" + options.x + ",";
		args += "screeny=" + options.y + ",";
		args += "left=" + options.x + ",";
		args += "top=" + options.y + ",";
	}
 
	if (typeof(options.scrollbars) != 'undefined') { args += "scrollbars=1,"; }
	if (typeof(options.menubar) != 'undefined') { args += "menubar=1,"; }
	if (typeof(options.locationbar) != 'undefined') { args += "location=1,"; }
	if (typeof(options.resizable) != 'undefined') { args += "resizable=1,"; }
 
	var win = window.open(anchor, options.name, args);
	return false;
 
}
 
// HTML example
// <a href="http://www.sourcesnippets.com" title="Free source snippets" onclick="return openWindow(this, {width:790,height:450,center:true})">Click this link</a>