function validate_form ()
{
    valid = true;

    if ( document.enquire.name.value == "")
    {
        alert ( "Please type your Name" );
        valid = false;
    }
	
	else if ( document.enquire.email.value == "")
    {
        alert ( "Please type your email address" );
        valid = false;
    }
	
	else if ( document.enquire.telephone.value == "")
    {
        alert ( "Please type your Telephone Number" );
        valid = false;
    }
	
	else if ( document.enquire.budget.value == "")
    {
        alert ( "Please select your Budget" );
        valid = false;
    }
	
    return valid;
}