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@ -851,7 +851,8 @@ $(function() {
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sendData: function(event)
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sendData: function(event)
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{
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{
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event.preventDefault();
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event.preventDefault();
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var files = document.getElementById('file').files; // FileList object
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var file = document.getElementById('file'),
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files = (file && file.files) ? file.files : null; // FileList object
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// Do not send if no data.
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// Do not send if no data.
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if (this.message.val().length == 0 && !(files && files[0])) return;
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if (this.message.val().length == 0 && !(files && files[0])) return;
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