function hoehe() {
if(document.readyState != "complete") {
window.setTimeout(hoehe, 100);
return false;
}
document.getElementById("ekvwtermine").height = document.getElementById("ekvwtermine").contentWindow.document.body.offsetHeight + 30;
document.getElementById("ekvwtermine2").height = document.getElementById("ekvwtermine2").contentWindow.document.body.offsetHeight + 30;
}