Unterminated String Constant Error in the following javascript function.Please help

<script type="text/javascript">
function valid()
{
    alert("hi");
    var a=document.f1.fname.value;// text box value
        if(a==null ||a=="")
            {
            alert("Please Enter your FirstName !");
            return false;
                }
    <%Scanner s = new Scanner(new File(
        "dict.Dic"));
ArrayList<String> list = new ArrayList<String>();
while (s.hasNext()) {
    list.add(s.next());
}
s.close();
for (String content:list) {%>
//var li="ji";
alert(<%=content%>);

return false;
<%}%>
return true;
}
</script>