File upload
Click The Add Files Button
With No Options
Click The Add Files Button
var basic = new RG_Uploader.core(document.getElementById('element_id'));
Use An Exterial File Input
<input type="file" id="ext_input" multiple/>
var extInputForm = new RG_Uploader.core(document.getElementById('comp_ext_form'), {
autoUpload : true,
externalFileForm : document.getElementById('ext_input')
});