// JavaScript Document
function validateForm(){
var form_check = document.forms.test.elements;

if(form_check.name.value == ''){
alert("Nickname should not be blank!!");
return false;
}
if(form_check.posts.value == ''){
alert("Please post some comments...");
return false;
}
if(form_check.security_code.value == ''){
alert("Please fill-in security field.");
return false;
}
return true;
} 

function limitlength(obj,len)
{
if (obj.value.length>len) {
obj.value=obj.value.substring(0, len);

}
document.getElementById('keyStrokesLeft').innerHTML = "keystrokes left: " + (maxlength-obj.value.length);
}