.sticky {
    position: fixed;
    top: 0;
    align:center;
    width: 100%;
    background-color:#fff;
}
<div ID="zmyHeader" class="sticky" >
    ...
    <div id="headerResultTblFixedDiv">
        <table id="headerResultTblFixed" >
            <thead>
                <tr>
                    <th>Col1Head</th>
                    <th>Col2Head</th>
                 </tr>
            </thead>
        </table>
    </div>
</div>
<div id="divResults" style="padding:0px;width:100%"> <!---div resultados-->
    <table id="resultsTable" width="967" border="0" align="center" cellpadding="2" cellspacing="0" bgcolor="white"  >
        </tr>
            <td></td>
         </tr>
    </table>   
</div>

//IE 9 compatible
var  header = document.getElementById("zmyHeader");
var  divResults = document.getElementById("divResults");

var  h  = header.getBoundingClientRect().bottom -    header.getBoundingClientRect().top;

var  divheadertbl = document.getElementById("headerResultTblFixedDiv");
if  (divheadertbl) {
    var hdivheadertbl  =divheadertbl.getBoundingClientRect().bottom - divheadertbl.getBoundingClientRect().top;
    divResults.style.paddingTop=(h-hdivheadertbl-5)+"px";
}
window.onscroll = function() {myFunction()};

function myFunction() {
var Y = document.body.scrollLeft ;
var j = Y;
var supportPageOffset = window.pageXOffset !== undefined;
var isCSS1Compat = ((document.compatMode || "") === "CSS1Compat");

var x = supportPageOffset ? window.pageXOffset : isCSS1Compat ? document.documentElement.scrollLeft : document.body.scrollLeft;
document.getElementById("zmyHeader").style.marginLeft=-x+"px";
}