function validateForm(form)
{	
//      form.password.value = hex_sha1( form.password.value );

        if (form.username.value.length==0)
		{
			alert("Please enter your username");
			form.username.focus();
			return false;
		}

		if (form.password.value.length==0)
		{
			alert("Please enter a password");
			form.password.focus();
			return false;
		}

		if (trim(form.password.value).length==0)
		{
			alert("Space is not allowed in password");
			form.password.focus();
			return false;
		}

		if (form.password.value.length < 6)
		{
			alert("The Password must be at least 6 characters long");
			form.password.focus();
			return false;
		}

  
		return true;
}