function openLO(tutorial, tutorialWidth, tutorialHeight)
{
	var winl = (screen.width - 771) / 2;
	var wint = (screen.height - 600) / 2;

	if(screen.width <= 800 && screen.height <= 600)
		attrs = "height=600, width=790, top="+ wint +", left=0, scrollbars=yes, statusbar=no, resize=no, resizable=no, menubar=no, toolbar=no, titlebar=no";
	else
		attrs = "height=" + tutorialHeight + ", width=" + tutorialWidth + ", top="+ wint +", left="+ winl +", scrollbars=no, resize=no, resizable=no, statusbar=no, menubar=no, toolbar=no, titlebar=no";


	win = window.open(tutorial, "tutorial", attrs);

	if (parseInt(navigator.appVersion) >= 4)
		win.window.focus();

	win.marginTop = 0;
}

function openWindow(tutorial, tutorialWidth, tutorialHeight)
{
	var attrs = "height=" + tutorialHeight + ", width=" + tutorialWidth + ", top="+ 40 +", left="+ 40 +", scrollbars=yes, resize=no, resizable=no, statusbar=no, menubar=no, toolbar=no, titlebar=no";

	win = window.open(tutorial, "tutorial", attrs);

	if (parseInt(navigator.appVersion) >= 4)
		win.window.focus();

	win.marginTop = 0;
}