Try something like this, it will remove 1st textbox when you click on 2nd option.
Jquery code
<script>
$(document).ready(function(){
    $(".radio_action").click(function(){
        if($(this).val() == "E" ){ 
            $("#other_text").html(""); 
            $("#emp_text").html("<input type="text" >"); 
        }
        else if($(this).val() == "A" ) { 
            $("#emp_text").html("");        
            $("#other_text").html("<input type="text" >"); 
        }
    })      
});
</script>
HTML code
<table>
<tr>
    <td><input type="radio" name="radio_type" value="E" class="radio_action" /> Employee</td>
    <td id="emp_text"></td>
</tr>
<tr>
    <td><input type="radio" name="radio_type" value="A" class="radio_action" /> Another Element</td>
    <td id="other_text"></td>
</tr>
</table>
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solved Create textbox dynamically in td next to specified td in html table using jquery