// Do not edit! Unless you know what you are doing! 
// By Ton Hanchai

function openWinCenter(url,popW,popH)
{
	var w = 480, h = 340;
	if (document.all || document.layers) {
		w = screen.availWidth;
   		h = screen.availHeight;
	}

	//var popW = 350, popH = 200;
	var leftPos = (w-popW)/2, topPos = (h-popH)/2;
        var newWindow = window.open(url,'_blank','width=' + popW + ',height=' + popH + ',top=' + topPos + ',left=' + leftPos + ',scrollbars=0');
	newWindow.focus();
}

function closeWin()
{
	window.self.close();
}

function showDate()
{
	document.write(' '+Date());
}

function writeNavigation()
{
	alert("writeNavigation()");

}