function GP_AdvOpenWindow(theURL,winName,features,popWidth,popHeight,winAlign,ignorelink,alwaysOnTop,borderless) {
	w = screen.availWidth;
	h = screen.availHeight;
	topPos = (h-popHeight)/2;
	leftPos = (w-popWidth)/2;
	features += ',width='+popWidth + ',height='+popHeight +',top='+topPos + ',left='+leftPos;
	window.open(theURL, winName, features)
	document.MM_returnValue = false;
}