Full jQuery code if needed:
$("#example3").jqUploader({
debug : 0 //set to 1 to expose the values received by the flash file
background: "FFFFDF",
barColor: "FF00FF",
allowedExt: "*.avi; *.jpg; *.jpeg; *.png",
allowedExtDescr: "what you want",
params: {quality:'low', menu: false},
validFileMessage: 'Thanks, now hit Upload!',
endMessage: 'and don\'t you come back ;)',
hideSubmit: false
});