winF = null;

function openWindow(url)
{
	if (winF == null || navigator.appName != "Netscape" || winF.closed)
	{
		opt = "dependent=0,toolbar=0,location=0,directories=0,status=1,menubar=1,scrollbars=1,resizable=0,copyhistory=0,width=700,height=477";
		if (navigator.appVersion.substring(0, 1) >= 4)
		{
			xpos = screen.availWidth/2-433;
			if (xpos < 0) {xpos = 0}
			ypos = screen.availHeight/2-298;
			opt += ",screenX="+xpos+",screenY="+ypos+",left="+xpos+",top="+ypos;
		}
		winF = window.open(url,"flash",opt);
	} 
	else
	{
		winF.focus();
	}
}