function validation() {
if (document.form1.company_name.value == "") {
        alert('Please enter your company name.');
		document.form1.company_name.focus();
        return false;
    }
	
	if (document.form1.country.value == "") {
        alert('Please enter your country.');
		document.form1.country.focus();
        return false;
    }
	
	if (document.form1.tel.value == "") {
        alert('Please enter your contact number.');
		document.form1.tel.focus();
        return false;
    }
	
	if (document.form1.contact_person.value == "") {
        alert('Please enter your name.');
		document.form1.contact_person.focus();
        return false;
    }
	
	var regexps_email="^\\w+([-+.]\\w+)*@\\w+([-.]\\\\w+)*\\.\\w+([-.]\\w+)*$";
	if (document.form1.email.value.match(new RegExp(regexps_email))==null){
				alert('Please enter a valid email address.');
				document.form1.email.focus();
				return false;
	}
	
return true;
}