1<style>
2 input {
3 display: block;
4 visibility: hidden;
5 width: 0;
6 height: 0;
7}
8</style>
9
10<input type="file" name="somename" size="chars">
11<button>Choose File</button>
12
13<script>
14$('button').click(function(){
15 $('input').click();
16});
17</script>