var mvf = false;
var ofx = 0;
var ofy = 0;

function fncInit()
{
    cookiedata = document.cookie;

    if ( cookiedata.indexOf('maindiv=done') < 0 )
        document.all['divpop'].style.visibility = 'visible';
    else
        document.all['divpop'].style.visibility = 'hidden';

    document.onmousemove = fncMove;
}

function setcookie( name, value, expirehours )
{
    var todayDate = new Date();
    todayDate.setHours( todayDate.getHours() + expirehours );
    document.cookie = name + '=' + escape( value ) + '; path=/; expires=' + todayDate.toGMTString() + ';'
}

function closeWin()
{
    if ( document.popupLayer_form.chkbox.checked )
    {
        setcookie( 'maindiv', 'done', 24 );
    }

    document.all['divpop'].style.display = 'none';
}

function fncMVSet( bool )
{
    ofx = event.offsetX;
    ofy = event.offsetY;
    mvf = bool;

    var obj = document.getElementById('divpop');

    if( mvf )
        obj.style.filter = 'Alpha(Opacity=50)';
    else
        obj.style.filter = 'Alpha(Opacity=100)';
}

function fncMove()
{
    if( mvf )
    {
        var obj = document.getElementById('divpop');

        obj.style.top = event.clientY-ofy;;
        obj.style.left= event.clientX-ofx;
    }
}