Try this solution: http://jsfiddle.net/JJRrc/1/
Html
<p class="form">
<input type="text" id="path" />
<label class="add-photo-btn">upload
<span>
<input type="file" id="myfile" name="myfile" />
</span>
</label>
</p>
CSS
.form input[type="file"]{
z-index: 999;
line-height: 0;
font-size: 50px;
position: absolute;
opacity: 0;
filter: alpha(opacity = 0);-ms-filter: "alpha(opacity=0)";
cursor: pointer;
_cursor: hand;
margin: 0;
padding:0;
left:0;
}
.add-photo-btn{
position:relative;
overflow:hidden;
cursor:pointer;
text-align:center;
background-color:#83b81a;
color:#fff;
display:block;
width:197px;
height:31px;
font-size:18px;
line-height:30px;
float:left;
}
input[type="text"]{
float:left;
}
JQuery
$('#myfile').change(function(){
$('#path').val($(this).val());
});