function PopUpInSmall(height, width, target) {
    document.getElementById("PopUpIframe").height = height;
    document.getElementById("PopUpIframe").width = width;
    document.getElementById("OverlayBox2").style.width = width + 60 + "px";
    document.getElementById("OverlayBox2").style.margin = "0 0 0 -" + width / 2 + "px";
    document.getElementById("OverlayBorderO").style.width = width + "px";
    document.getElementById("OverlayBorderU").style.width = width + "px";
    document.getElementById("OverlayBorderR").style.height = height + "px";
    document.getElementById("OverlayBorderL").style.height = height + "px";
    document.getElementById("PopUpIframe").src = target;
    document.getElementById("OverlayBox1").style.display = "block";
    document.getElementById("OverlayBox2").style.display = "block";
}

function verschwind() {
    document.getElementById('OverlayBox1').style.display = "none";
    document.getElementById('OverlayBox2').style.display = "none";
    document.getElementById("PopUpIframe").src = "";
    document.getElementById("OverlayBox2").style.left = "50%";
    document.getElementById("OverlayBox2").style.top = "120px";
    document.onmouseover = "";
}