function ltrim ( s )
{
	return s.replace( /^\s*/, "" );
}

function rtrim ( s )
{
	return s.replace( /\s*$/, "" );
}

function trim ( s )
{
	return rtrim(ltrim(s));
}



function validate(formobj)
{
	if ( (trim(formobj.name.value) == "") || (trim(formobj.emailid.value) == "") || (trim(formobj.service.value) == "") || (trim(formobj.comments.value) == "") )
	{
		alert("Please complete the form fileds marked as * ");
		return false;
	}

	if ( (formobj.emailid.value.indexOf("@") == -1) || (formobj.emailid.value.indexOf(".") == -1) )
 	{
		alert("Please enter a valid email address.");
		formobj.emailid.select( );
		formobj.emailid.focus( );
		return false;
	}
	return true;
}