function emailform(form) {	var err="";	var badema;
	var mrobot=trim(form['MROBOT'].value);
	var emaname=trim(form['EMANAME'].value);
	var subject=trim(form['SUBJECT'].value);
	var txt=trim(form['TXT'].value);
	if (badema=chek_ema(mrobot)) {	err=err+badema+": "+mrobot+".\n";	}
	err=nullval(emaname,'Please supply your name',err);
	err=nullval(subject,'Please supply a subject',err);
	err=nullval(txt,'Please enter a message',err);
	if (err.length>0) {alert(err); return false;}	return true;
}