function ismaxlength(obj){
var mlength=obj.getAttribute? parseInt(obj.getAttribute("maxlength")) : ""
if (obj.getAttribute && obj.value.length>mlength)
obj.value=obj.value.substring(0,mlength)
}

function addSmilie(smilie, smilieForm, smilieField) {
var revisedMessage;
var currentMessage = document.smilieForm.elements[smilieField].value;
revisedMessage = currentMessage+smilie;
document.smilieForm.elements[smilieField].value=revisedMessage;
document.smilieForm.elements[smilieField].focus();
return;
}