replace the <input type="text"> with a nice button

gistfile1.html

<div class='file-input'>
	<input type="file" id="theSvgFile" name="theSvgFile" class="hide ie_show" onchange="readURL(this);"/>
	<div class="btn btn-default" onclick="$(this).parent('.file-input').find(':file').click();">Upload SVG</div>
	<span class="file-display"></span>
	<script type="text/javascript">
		var readURL = function (input) {
		  if (input.files && input.files[0]) {
		    $(input).parent('.file-input').find('.file-display').text(input.files[0].name);
		  }
		}				
	</script>
</div>