复制代码 代码如下: <BR>function loadframe(url) <BR>{ <BR>mainone.innerHTML = "<iframe src='" + url + "' width='100%' height='500'>"; <BR>} <br><br>function loadframefrominput(url) <BR>{ <BR>var tmpstr; <BR>tmpstr = url.value; <BR>try{ <BR>if(tmpstr==""||tmpstr=="http://"||tmpstr=="https://"||tmpstr=="ftp://") <BR>mainone.innerHTML = "Please enter URL."; <BR>else if(tmpstr.indexOf("http://")>=0||tmpstr.indexOf("https://")>=0||tmpstr.indexOf("ftp://")>=0) <BR>mainone.innerHTML = "<iframe src='" + tmpstr + "' width='100%' height='500'>"; <BR>else <BR>mainone.innerHTML = "Please enter a valid URL."; <BR>}catch(err) <BR>{ <BR>mainone.innerHTML = err.description; <BR>} <BR>} <br><br>function contain(str,charset) <BR>{ <BR>var i; <BR>for(i=0;i<charset.length;i++) <BR>if(str.indexOf(charset.charAt(i))>=0) <BR>return true; <BR>return false; <BR>} <br><br>function clearframe() <BR>{ <BR>mainone.innerHTML = ""; <BR>} <br><br> Sohu Int. Sohu IT Sohu Nat. jb51.net baidu Google Close Open a URL: Go!
