Set position of the horizontal scroll bar of div to left

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ASP.NET

I here by attached my code please help me to set the horizontal scrollbar of the div to middile while loading the page.

<script type="text/javascript">
    {
        window.onload = function() { val(); };
        function val() {
           
            $("divrpt").scrollLeft(100);
        }
    }
</script>


<div   id="divrpt"  style="overflow:auto;width:750px;height:350px; removed:absolute;" >
   <p><CR:CrystalReportViewer ID="CrystalReportViewer1"  runat="server" 
        AutoDataBind="True" Height="50px" ReportSourceID="CrystalReportSource1" 
        Width="150px" DisplayGroupTree="False" />
    <p>
    <CR:CrystalReportSource ID="CrystalReportSource1"  runat="server">
        <Report FileName="Crystal Reports\CRContactDetails.rpt">
        </Report>
    </CR:CrystalReportSource>
    </p>
    </div>