<script type="text/javascript">

$(document).ready(disablecity);
function disablecity(){
	disable();
	$('#country').change(disable);
	function disable()
	{



		value=$('#country :selected').text();
		if(value!=='Pakistan')
		{
			$('#city').attr('disabled','disabled');
		}
		if(value=='Pakistan')
		{
			$('#city').removeAttr('disabled','disabled');
		}



	}

}



</script>