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////////////////////// Helpful functions ///////////////////////////////////

    // sets a specific attribute for all elements in a collection
    setAttributeOnAll = function(els, attrName, attrVal)
    {
        for (var i=0; i < els.length; i++)
            els[i].setAttribute(attrName,attrVal);
    };

////////////////////// Override default styles /////////////////////////////

    // inline label style
    var labels = document.getElementsByClassName("sys_f_label");
    setAttributeOnAll(labels,'style','');