<html> <head> <scripttype="text/javascript">
function jsLoad(jId, url, callBack) {
var version = 0; if (navigator.appName.indexOf('Internet Explorer') != -1) { var temp = navigator.appVersion.split('MSIE'); version = parseInt(temp[1]); }
var js = document.getElementById(jId); js.setAttribute('type', 'text/javascript'); js.setAttribute('src', url); js.onload = js.onreadystatechange = function() { if (js.readyState && version > 0) { if (version <= 6) { if (/complete/i.test(js.readyState)) { return callBack(); } } else { if (/loaded/i.test(js.readyState)) { return callBack(); } } } else { return callBack(); } } }
function myecho() {
alert(str); } </script> </head> <body> <scriptid="myid"></script> <script> var url ='';
jsLoad('myid', url, myecho); </script> <body> </html>
