function jqlogin() {
    qlwin=open("/book/index.php?frm=qlogin", "qlwindow",
                    "scrollbars=no,width=240,height=170,menubar=no," +
                    "toolbar=no,locationbar=no,personalbar=no,statusbar=no");
}
function jqlogout(xvar) {
    var df=document.forms[0]; 
    var oldfrm=df.frm.value;
    df.frm.value='logout';
    df.washere.value=oldfrm;
    if (xvar > 0) df.washere.value='closed';
    document.forms[0].submit();
}