<script type="text/javascript">
	$(document).ready(function() {
                $(".issue_company_dropdown").trigger('change',['defaultValue']);
		$(".issue_company_dropdown").change( function(e, val){
			var company_id = (val) ? val : $(this).val();
			$.ajax({
				url: "/includes/ajax/ajax.php?action=getcity",
				type: "post",
				data: { id: company_id },
				success: function(city) {
				$(".issue_company_city").val(city);
				}
			});
		});
	});
</script>