function Validation(form){
form.comment_email.value = strTrim(form.comment_email.value);
RE = /^[A-Za-z0-9\.\-_]+[@][A-Za-z0-9\-\.]+[\.][a-zA-Z]{2,4}$/;
if (! RE.test(form.comment_email.value) )
{
 alert("The email address is incorrect!");
 form.comment_email.focus();
 return false;
}
form.comment_content.value = strTrim(form.comment_content.value);
if ( ! (form.comment_content.value !="") )
{
 alert("Please enter a comment !");
 form.comment_content.focus();
 return false;
}
 return true;
}