function validatedist( form_valid )
{
if( form_valid.contact_name.value == "" ) {
		alert("Please enter Contact name");
			form_valid.contact_name.focus();
			return false;
		}
		
else if
 		( form_valid.email_address.value == "" ) {
			alert("Email Address is Missing");
			form_valid.email_address.focus();
			return false;
		}

else if(!(/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(form_valid.email_address.value))) {
			alert("Please enter valid email address");
			form_valid.email_address.focus();
			return false;
		}

else if
 		( form_valid.phone.value == "" ) {
			alert("Please enter Telephone No.");
			form_valid.phone.focus();
			return false;
		}
else if
 		( form_valid.country.value == "" ) {
			alert("Please Select Country.");
			form_valid.country.focus();
			return false;
		}
else if
 		( form_valid.product_interest.value == "" ) {
			alert("Please enter Products of Interest");
			form_valid.product_interest.focus();
			return false;
		}
}