ceiba download all hws once
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var tbl=document.getElementsByTagName('table')[0]
function sleep(milliseconds) 
{ 
var start = new Date().getTime(); 
while(1)
     if ((new Date().getTime() - start) > milliseconds)
          break;
}
for(var i =1 ;i<=100;i++){
if (tbl.rows[i].cells[7].children[0]){

tbl.rows[i].cells[7].children[0].setAttribute('download','')
tbl.rows[i].cells[7].children[0].click()
sleep(200)
}

}