var pointNum = 0;
function MouseDown (ev)
{
    ev = (ev)?ev:window.event;
    var curX,curY,imgLogo;

    imgLogo = document.getElementById('imgLogo');
    if (!imgLogo)
        return;

    if (typeof (ev.pageX) == "number") 
    {
        if (ev.which != 1) return false;
        curX = ev.pageX-imgLogo.offsetLeft;
        curY = ev.pageY-imgLogo.offsetTop;
    }
    else
    {
        if (ev.button != 1) return false;
        curX   = -3 + ev.clientX+document.body.scrollLeft-imgLogo.offsetLeft;
        curY   = -3 + ev.clientY+document.body.scrollTop-imgLogo.offsetTop;
    }

    document.forms.frm.elements.passcoor.value = document.forms.frm.elements.passcoor.value + curX+','+curY+'|';
    pointNum++;
    if (pointNum>=6)
        document.forms.frm.submit();
}
function MouseInit ()
{
    var imgLogo = document.getElementById('imgLogo');
    if (!imgLogo)
        return;

    if (window.captureEvents)
    {
        window.captureEvents(Event.MOUSEDOWN);
        imgLogo.onmouseup = MouseDown;
    }
    else
    {
        imgLogo.attachEvent ('onmousedown', MouseDown);
    }
    pointNum=0;
    document.forms.frm.elements.passcoor.value = '';
}