function dropdown(list){
var listElementStyle=document.getElementById(list).style;
if (listElementStyle.display=="none"){
listElementStyle.display="block";}
else {
listElementStyle.display="none";
}
}

// Set a maxlength for a text area
// maxlength="x" onkeyup="return textarea_maxlength(this)"

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