var ppopup=false;

function popup(filename,w,h) {
	var l=10, t=10;
	if (!w) w=650;
	if (!h) h=500;
	if (h==0) h=screen.availHeight-40;
	l=(screen.width)?(screen.width-w)/2:0;
	t=(screen.height)?(screen.height-h)/2:0;
	if (t>20) t-=10;

	parm="toolbar=no,scrollbars=yes,dependent=yes,location=no,directories=no,status=no,menubar=no,resizable=yes,width="+w+",height="+h+",left="+l+",top="+t;

	var ppopup=window.open(filename, name, parm);
	if (ppopup) {
		ppopup.resizeTo(w,h);
		ppopup.opener=self;
		ppopup.focus();
	}
}


function fixpop(filename,w,h) {
	var l=10, t=10;
	if (!w) w=650;
	if (!h) h=500;
	if (h==0) h=screen.availHeight-40;
	l=(screen.width)?(screen.width-w)/2:0;
	t=(screen.height)?(screen.height-h)/2:0;
	if (t>20) t-=10;

	parm="toolbar=no,scrollbars=no,dependent=yes,location=no,directories=no,status=no,menubar=no,resizable=no,width="+w+",height="+h+",left="+l+",top="+t;

	var ppopup=window.open(filename, name, parm);
	if (ppopup) {
		ppopup.resizeTo(w,h);
		ppopup.opener=self;
		ppopup.focus();
	}
}