<script>
function fileCheck() {
var fso;
fileFullPath = fileCtrl.value;
fso = new ActiveXObject("Scripting.FileSystemObject");
if (fso.FileExists(fileFullPath))
else
}
</script>
<input type="file" id="fileCtrl" contentEditable="false">
<input type="button" value="doFileCheck" onclick="fileCheck()">
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