function doPopUp( sURL, sName, iWidth, iHeight, iResizable, iScrollbars, iDecoration ) 
{
    sParams = "copyhistory=no";
    if( iWidth > 0 )
        sParams += ",width="+iWidth;
    if( iHeight > 0 )
        sParams += ",height="+iHeight;

    if( iResizable > 0 )
        sParams += ",resizable=yes";
    else
        sParams += ",resizable=no";

    if( iScrollbars > 0 )
        sParams += ",scrollbars=yes";
    else
        sParams += ",scrollbars=no";

    if( iDecoration > 0 )
        sParams += ",toolbar=yes,location=yes,directories=yes,status=yes,top=10,left=50";
    else
        sParams += ",toolbar=no,location=no,directories=no,status=yes,top=10,left=50";

    window.open( sURL, sName, sParams );

}