var cm=null;
var sb=null;
document.onclick = new Function("show(null)")
function getPos(el,sProp) {
        var iPos = 0
        while (el!=null) {
                iPos+=el["offset" + sProp]
                el = el.offsetParent
        }
        return iPos

}
function show(el,m) {
                if (sb) {
                        SB1.style.display='';
                }
        if (m) {
                if (sb) {
                        SB1.style.display='none';
                        }
        m.style.display='';
                m.style.pixelLeft = getPos(el,"Left")
                m.style.pixelTop = getPos(el,"Top") + el.offsetHeight
        }
        if ((m!=cm) && (cm)) cm.style.display='none'
        cm=m
}


function loadTwo(iframe1URL, iframe2URL)
{
parent.iframe1.location.href=iframe1URL
parent.hoofdvenster.location.href=iframe2URL
}

function loadLeftRight(iframe1URL, iframe2URL)
{
parent.iframe0.location.href=iframe1URL
parent.hoofdvenster.location.href=iframe2URL
}


function loadThree(iframe1URL, iframe2URL, iframe3URL)
{
parent.iframe0.location.href=iframe1URL
parent.iframe1.location.href=iframe2URL
parent.hoofdvenster.location.href=iframe3URL
}