/* Popup centered windows */
function popup(filename,winWidth,winHeight,extras)
{
	if (winWidth=='') { winWidth = 500; };
	if (winHeight=='') { winHeight = 400; };
	place_x = (screen.width-winWidth)/2;
	place_y = (screen.height-winHeight)/2;
	path = filename + "?" + extras;
	
	window.open(path,'','width=' + winWidth + ',height=' + winHeight + ',scrollbars=1,resizable=1');
	
	//
	// Removed the center due to access denied errors.
	//
	//newWin = window.open(path,'','width=' + winWidth + ',height=' + winHeight + ',scrollbars=1,resizable=1');
	//newWin.window.moveTo(place_x, place_y);
	//newWin.window.resizeTo(winWidth, winHeight);
}