function Wechsel(zustand) {
if (zustand == "none")
{
tinyMCE.execCommand('mceRemoveControl', false, "elm1");
document.getElementById("elm1").style.display = "none";
document.getElementById("submit_parts").style.display= "block";
document.getElementsByName("receiveremail")[0].focus();
}
else
{
document.getElementById("elm1").style.display = "block";
document.getElementById("submit_parts").style.display= "none";
tinyMCE.execCommand('mceAddControl', false, "elm1");

}
}