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$('#item-select').on('change', function(){
	    var theAnchor = $('#'+$(this).val()).offset().top - 120;
	    $('html, body').animate({
	        scrollTop: theAnchor
	    });
	});

<select name="item-select" id="item-select">
  <option>Select Country</option>	
  <option value="1">1</option>
	<option value="2">2</option>
	<option value="3">3</option>
</select>