function launchGameWindow(){
	
	var windowHeight = 600;
	var windowWidth = 800;
	var windowName = 'powerchip';
	var windowUri = '/games/power-chip.htm';
	
    var centerWidth = (window.screen.width - windowWidth) / 2;
    var centerHeight = (window.screen.height - windowHeight) / 2;

    var newWindow = window.open(windowUri, windowName, 'resizable=0,width=' + windowWidth + 
        ',height=' + windowHeight + 
        ',left=' + centerWidth + 
        ',top=' + centerHeight);

    newWindow.focus();
    return newWindow.name;
}