var upperImgBase = 'http://zeeman.istream4.prev.datacon.nl/Zeeman/Images/Icons/';
var imgBase = 'http://zeeman.istream4.prev.datacon.nl/Zeeman/Images/Icons/';
/*
function keyDown(aEvent, action, clientid)
{
    var el = document.getElementById(clientid);
    var eventObject = aEvent ? aEvent : window.event;

    if (eventObject.keyCode == 13)
    {
        if ((el.tagName.toLowerCase() == 'input' || el.tagName.toLowerCase() == 'a') && action == 'click')
        {
            el.click();
            aEvent.returnValue = false;
        }
        else
        {
            return;
        }
    }
}
*/