HTML代码：
<head><meta http-equiv="Content-Type" content="text/html;charset=UTF-8"><script>window.onload=function() {
var oTxt1=document.getElementById('txt1');
var oBtn1=document.getElementById('btn1');
oBtn1.onclick=function() {
location.href="
http://"+oTxt1.value+"";
}
}
</script></head>
<body><div class="angled stripes"><div class="nav00"><big>网址</big>：
http://<input type="text" id="txt1"/><input type="submit" value="前往" id="btn1"/></div></div></body>