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

  function tag(text1, text2)   
  {   
     if ((document.selection))   
     {   
       document.post.text2.focus();   
       document.post.document.selection.createRange().text = text1+document.post.document.selection.createRange().text + text2;   
     } else if(document.forms['post'].elements['text2'].selectionStart != undefined) {   
         var element    = document.forms['post'].elements['text2'];   
         var str        = element.value;   
         var start      = element.selectionStart;   
         var length     = element.selectionEnd - element.selectionStart;   
         element.value  = str.substr(0, start) + text1 + str.substr(start, length) + text2 + str.substr(start + length);   
     } else document.post.text2.value += text1 + text2;   
  }  
    
</script>   

<img style="cursor:pointer" src="smiles/1.gif" onclick="tag('[:)]','')">