jquery不兼容ie浏览器怎么办

<script language="javascript">

//判断是否为IE浏览器

if(navigator.appName == "Microsoft Internet Explorer") {

if(navigator.appVersion.match(/7./i) == '6.' || navigator.appVersion.match(/7./i) == '7.' ||

navigator.appVersion.match(/7./i) == '8.') {

document.write("<script src=\"myjs1.js\">" + "</script>");

}

else{

document.write("<script src=\ "myjs2.js.js\">"+"</script>");

}

}

</script>