不使用输入法也可输入文字的网页

<SCRIPT language=javascript>
function txtAreaClick(oTxtArea){
    oTxtArea.value="";
    oTxtArea.style.color = "#000";
    var n=navigator.userAgent.toLowerCase();ie=n.indexOf('msie')!=-1?1:0;if(document.documentMode)ie=0;charset='';if(ie)charset=document.charset;src=ie&&charset=='utf-8'?'http://web.pinyin.sogou.com/web_ime/init_web_utf8.php':'http://web.pinyin.sogou.com/web_ime/init_web.php';element=document.createElement('script');element.setAttribute('src',src);document.body.appendChild(element);
}

function txtAreaCh(){
   if(navigator.appName != "Microsoft Internet Explorer")return false;
    var oTxtArea = document.getElementById('txt_area');
    var oSpan = document.getElementById('do_copy');
    if(oTxtArea.value != ''){
        oSpan.innerHTML = '<a href="javascript:copyText()" style="position:absolute; left:23px; top:70px; color:#08A4EC; font-size:14px; text-decoration:underline;">复制</a>';
    }else{
        oSpan.innerHTML = '<a href="javascript:void(0);" style="position:absolute; left:23px; top:70px; color:#aaa; font-size:14px; text-decoration:underline;cursor:text;">复制</a>';
    }
}
function copyText(){
    if(navigator.appName != "Microsoft Internet Explorer"){
        //alert("您的浏览器不支持此功能");
    }else{
                var txt = document.getElementById('txt_area').value;
        window.clipboardData.setData("TEXT", txt);    
        alert("已经成功复制到粘贴板上");
    }
}

</SCRIPT>
<DIV style="text-align:center;"><TEXTAREA id=txt_area onfocus=txtAreaCh() onclick=txtAreaClick(this) name="" rows=3 cols=50>点击这里输入内容！</TEXTAREA>
<SPAN id=do_copy><A
style="FONT-SIZE: 14px; left: 23px; CURSOR: text; COLOR: #aaa; POSITION: absolute; TOP: 70px; TEXT-DECORATION: underline"
href="javascript:void(0);">复制</A></SPAN></DIV>
<SCRIPT language=javascript>
if(navigator.appName != "Microsoft Internet Explorer"){
    var oSpan = document.getElementById('do_copy');
        oSpan.innerHTML = '';
}
</SCRIPT>