Behaviour.register({ 'input#Form_EditForm_createtranslation': { onclick: function(e) { var st = $('sitetree'); var originalID = st.getIdxOf(st.firstSelected()); if(originalID && originalID.substr(0,3) == 'new') { alert("You have to save a page before translating it"); } else { var url = baseHref() + 'admin/' + this.name.substring(7) + '?ID=' + $('Form_EditForm_ID').value + '&newlang=' + $('Form_EditForm_NewTransLang').value + '&ajax=1'; new Ajax.Request( url, { onSuccess: Ajax.Evaluator, onFailure: Ajax.Evaluator }); return false; } } } });