function launchWindow(w,h,windowName,source,scrollbarsYN)
{
    var xobj = null;
    var chasm = screen.availWidth;
    var mount = screen.availHeight;

  xobj = window.open(source,windowName,'width=' + w + ', height=' + h +', left=' + ((chasm - w - 10) * .5) + ',top=' + ((mount - h - 30) * .5) + ', scrollbars=' + scrollbarsYN + ', toolbar=yes, resizable=yes, menubar=yes' );
//if (window.focus) {xobj.focus()}
	return false;
}

function launchPopUp(windowName,source)
{
    var xobj = null;
    xobj = launchWindow(800,600,windowName,source, 'yes');
    return true; 
}