<script type="text/javascript">
function languageswitch(){
var url=window.location.href;
if(url.indexOf('\/en\/')>0){
url=url.replace('\/en\/','\/de\/');
url=url.replace('\/en_','\/de_');
}else if(url.indexOf('\/de\/')>0){
url=url.replace('\/de\/','\/en\/');
url=url.replace('\/de_','\/en_');
}
window.location.href=url;
}
</script>
ex:
http://damublog.blogspot.com/en
http://damublog.blogspot.com/de
