<HTML>
<BODY>
<script>
function AddLink()
{
var sText = document.selection.createRange();
if (!sText==""){
     document.execCommand("CreateLink");
     if (sText.parentElement().tagName == "A"){
        sText.parentElement().target ="_blank";
       sText.parentElement().innerText=sText.parentElement().href;
       document.execCommand("ForeColor","false","#FF0033");
     }    
  }
else{
    alert("请先选中文字");
  }   
}
</script>
<P unselectable="on">选择下面的文字：</P>
<P style="color=#3366CC">选中然后加链接</P>

<BUTTON onclick="AddLink()" unselectable="on">Click to add link</BUTTON>
</BODY>
</HTML>