function show_window(htmlFilename, windowName, windowWidth, windowHeight) {
	pu_window = window.open(htmlFilename, windowName, 'width='+windowWidth+', height='+windowHeight+', top='+((screen.availHeight/2)-(windowHeight/2))+', left='+((screen.availWidth/2)-(windowWidth/2)));	
	pu_window.focus();
	return false;
}

function register_user() {
	$('a.pu_window.register_user').click();
}

function register_mobile() {
	$('a.pu_window.register_mobile').click();
}

$(document).ready(function() {
	
	$('a.pu_window').click(function() {

			// Defaults
			width = 950;
			height = 520;
			windowName = 'default_window';

			// Open the window
			show_window($(this).attr('href'), windowName, width, height);

			// Prevent the anchor from moving to target page
			return false;

		});
	
	
	$('a.close_window').click(function() {
		window.close();
		return false;
	});
	
});