function submit_contact_form(obj) {
	var reg_email = /^([A-Za-z0-9_\-\.])+\@([A-Za-z0-9_\-\.])+\.([A-Za-z]{2,4})$/;
	if (obj.uname.value == "")
	{
		alert("Please enter your name");
		return false;
	} else if (obj.company.value == "")
	{
		alert("Please enter your company name");
		return false;
	} else if (obj.position.value == "")
	{
		alert("Please enter your position");
		return false;
	} else if (obj.email.value == "")
	{ 
		alert("Please enter your email address");
		return false;
	} else if (reg_email.test(obj.email.value) == false) 
	{
        alert('Invalid Email Address');
        return false;
    } else if (obj.telephone.value == "")
	{
		alert("Please enter your telephone number");
		return false;
	} else if (obj.enquiry.value == "")
	{
		alert("Please enter enquiry");
		return false;
	}
}