<body>
<input type="file" value=""  />
<input type="button" value="ClearFile" onclick="clearFile()" />
<script type="text/javascript">
function clearFile() {
    var file = document.getElementById('tFile');
    file.value = "";  // firefox, chrome, safari
    if ( file.value ) {
        if ( document.all ) { // ie
            with( file.parentNode.insertBefore(document.createElement('form'), file)) {
                appendChild(file); reset(); removeNode(false);
            }
        } else { // opera
            file.type = "text"; file.type = "file";
        }
        
    } 
    
}
</script>
</body>

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