#사용예. 로 넣고
<script type="text/javascript" id="webzine_menu" src="/includejs/menu.js?mcode=abc"></script>
#menu.js
var _isIE=(navigator.userAgent.match(/Gecko/))?false:true;
if (_isIE) {
srcPath = document.all.webzine_menu.src;
} else {
srcPath = document.getElementById("webzine_menu").src;
}
// 현재 값 유지를위한 mcode
var _currentMcode=srcPath.substring(srcPath.lastIndexOf("mcode=", srcPath)+6, srcPath.length-2);
출처 : http://blog.naver.com/shboss?Redirect=Log&logNo=40028457430