Call javascript function from anchor tag

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Javascript

HTML

I am calling javascript function from anchor tag. But problem is i am rendering anchor tag from code rendering block. From here i am fetching a value from database and sending to the function as a parameter. My code is:

<div>
<%-- <h3> Curent </h3>--%>
<ul>
<%                                
   if (_dsContent.Tables.Count == 0)
      return;
   System.Collections.Generic.List<string> lstCat =
   new System.Collections.Generic.List<string>();

   foreach (System.Data.DataTable table in _dsContent.Tables)
   {
    foreach (System.Data.DataRow row in table.Rows)
    {
     if (String.IsNullOrEmpty(Convert.ToString(row["ContentPart"])))
       {
         if (Convert.ToString(row["Content"]).Length > 200)
           content = Convert.ToString(row["Content"]).Substring(0, 200);
         else
           content = Convert.ToString(row["Content"]);
       }
     else
       {
       if (Convert.ToString(row["ContentPart"]).Length > 200)
        content = Convert.ToString(row["ContentPart"]).Substring(0, 200);
       else
         content = Convert.ToString(row["ContentPart"]);
       }                       

string catStr = Convert.ToString(row["categoryString"]);
string[] arrayCat = new string[2];

if (!String.IsNullOrEmpty(catStr))
{
  arrayCat = catStr.Split(',');
}
if (!String.IsNullOrEmpty(content))
{
  if (!lstCat.Contains(arrayCat[1]))
   {
 Response.Write("<div style="color:Red; font-weight:<br mode="hold" /> bold;font-size:20px">" + arrayCat[1] + "</div>");
 lstCat.Add(arrayCat[1]);
 }

 Response.Write("<li>");
 Response.Write("<div style="background-<br mode="hold" /> color:#DFD48D">Posted On - " + row["InsertionDate"] + "</div>");

 Response.Write("<div style="font-weight: bold;text-<br mode="hold" /> align:justify">'" + row["Header"] + "'</div>");
 Response.Write("<div style="font-size: small">Date - '" + row["Date"] + "'</div>");
 Response.Write("<div style="text-align:justify">");
 Response.Write(content);

 string jud = Convert.ToString(row["Content"]);

 Response.Write("");

 Response.Write("       
 <a href='#'  runat="server"  önclick=ShowContent()>");

 Response.Write("Read More...");
 Response.Write("");

 Response.Write("</div>");
 Response.Write("</li>");
 }
 }
 }                               
    %>

 </string></string></ul>
 </div>

here i am not able to send string jud as parameter. my javascript function is

<script language="javascript" type="text/javascript">

    function ShowContent(jud) {

        PageMethods.ShowContent(jud,Success, Failure);

    }
    function Success(result) {
        window.open('showcontent.aspx', null,'left=200, top=30, height=550, width= 500, 
         status=no, resizable= yes, scrollbars= yes,toolbar= no,location= no, menubar=
                 no');
    }
    function Failure(error) {
        alert(error);
    }

   </script>