function hide( objname )
{
if( document.getElementById( objname ).style.display == 'block')
document.getElementById( objname ).style.display = 'none';
else document.getElementById( objname ).style.display = 'none';
}

function show( objname )
{
if( document.getElementById( objname ).style.display == 'block')
document.getElementById( objname ).style.display = 'block';
else document.getElementById( objname ).style.display = 'block';
}

function hideshow(objname,objname2)
{
if (document.getElementById(objname).style.display == 'block'){
document.getElementById(objname).style.display = 'none';
document.getElementById(objname2).style.backgroundImage='url(fileadmin/template/img/hideshow_plus.gif)';
document.getElementById(objname2).style.backgroundRepeat = 'no-repeat';
}
else { 
document.getElementById(objname).style.display = 'block'; 
document.getElementById(objname2).style.backgroundImage='url(fileadmin/template/img/hideshow_minus.gif)';
document.getElementById(objname2).style.backgroundRepeat = 'no-repeat';
}
}
function senden(){
document.form_name.submit();
}