document.addEventListener("DOMContentLoaded",ElementsToSave);//window.onload=function()

function ElementsToSave() {
    var table = document.getElementById("users-table");
    table.addEventListener('change',function () {
        var tag = event.target;
        var trParent = tag;
        for(i=0;;i++)
        {
            trParent = trParent.parentNode;
            if(trParent.tagName.toUpperCase()=="tr".toUpperCase())
            {
                for(k =0;k<5;k++)
                {
                alert(trParent.children[k].getElementsByTagName("td")[0].getElementsByTagName("textarea")[0].value;
                }
                break;
            }
        }
    });
}