function checkAllmsg(field)
{
    document.inboxmsg['mid[]'].checked = true;
    for (i = 0; i < field.length; i++)
    field[i].checked = true ;
}
function uncheckAllmsg(field)
{
    document.inboxmsg['mid[]'].checked = false;
    for (i = 0; i < field.length; i++)
    field[i].checked = false ;
}

function checkAllmya(field)
{
    document.filesel['mid[]'].checked = true;
    for (i = 0; i < field.length; i++)
    field[i].checked = true ;
}
function uncheckAllmya(field)
{
    document.filesel['mid[]'].checked = false;
    for (i = 0; i < field.length; i++)
    field[i].checked = false ;
}

function checkAllmyfv(field)
{
    document.vfilesel['vmid[]'].checked = true;
    for (i = 0; i < field.length; i++)
    field[i].checked = true ;
}
function uncheckAllmyfv(field)
{
    document.vfilesel['vmid[]'].checked = false;
    for (i = 0; i < field.length; i++)
    field[i].checked = false ;
}

function checkAllmyfi(field)
{
    document.ifilesel['imid[]'].checked = true;
    for (i = 0; i < field.length; i++)
    field[i].checked = true ;
}
function uncheckAllmyfi(field)
{
    document.ifilesel['imid[]'].checked = false;
    for (i = 0; i < field.length; i++)
    field[i].checked = false ;
}

function checkAllmyfa(field)
{
    document.afilesel['amid[]'].checked = true;
    for (i = 0; i < field.length; i++)
    field[i].checked = true ;
}
function uncheckAllmyfa(field)
{
    document.afilesel['amid[]'].checked = false;
    for (i = 0; i < field.length; i++)
    field[i].checked = false ;
}

function ReverseExpand(d)
{
    if(document.getElementById(d).style.display == "none")
    { 
	if (d == 'bv')
	    document.getElementById('opts').src = baseurl+'/modules/themes/black/images/sign_plus.gif';
	else if (d == 'bi')
	    document.getElementById('optsi').src = baseurl+'/modules/themes/black/images/sign_plus.gif';
	else if (d == 'ba')
	    document.getElementById('optsa').src = baseurl+'/modules/themes/black/images/sign_plus.gif';
    }
    else 
    {
	if (d == 'bv')
	    document.getElementById('opts').src = baseurl+'/modules/themes/black/images/sign_minus.gif';
	else if (d == 'bi')
	    document.getElementById('optsi').src = baseurl+'/modules/themes/black/images/sign_minus.gif';
	else if (d == 'ba')
	    document.getElementById('optsa').src = baseurl+'/modules/themes/black/images/sign_minus.gif';
    }
}