HTML('<center><h1><strong> Please wait during the creation of the files...</strong></h1> <br/> <em><h4> This can take about 30 seconds</h4> </em> </center>'),
tags$img(src="gears.gif",id="loading-spinner")
),
div(id="MasqueToShaman",style="display: none;",
box(title="Upload the results",width=4,status="success",
selectInput("masque_database","Select the database",choices=c("Silva"="silva","Greengenes"="greengenes")),