[devote]

var total_m = 0,
    total_l = 0;
    for(var key in data) { 
        total_m += parseFloat(document.getElementById("input" + key).value.replace(/,/, '.')) || 0; 
        total_l += parseFloat(document.getElementById("output" + key).value.replace(/,/, '.')) || 0; 
    } 
    document.getElementById("total_box_m").value = total;
    document.getElementById("total_box_l").value = total;