var Hwnd;
function graph_win(fref, title, w, h, clikthru)
{
	var hvar='scrollbars=yes,resizable=yes,width=' + w + ',height=' + h;
    var path='/cgi-bin/popup.pl?graph=' + dir + fref;
	if (clikthru) {
	    path = path + '&table=' + dir + clikthru;
	}
	if (Hwnd != null) {
	    if (Hwnd.closed != true ) {
		    Hwnd.close();
		}
	    Hwnd = null;
	}

	if (Hwnd == null) {
	    Hwnd=window.open(path,title,hvar);
		Hwnd.focus();
	}
} 

function table_win(fref, title, w, h)
{
	var hvar='scrollbars=yes,resizable=yes,width=' + w + ',height=' + h;
    var path= dir + fref;
	if (Hwnd != null) {
	    if (Hwnd.closed != true ) {
		    Hwnd.close();
		}
	    Hwnd = null;
	}

	if (Hwnd == null) {
	    Hwnd=window.open(path,title,hvar);
		Hwnd.focus();
	}
}