//当进入网站内页时加载导航相应的样式 <script type="text/javascript"> var txtjbo = new Array("", "about", "exhibitors", "visitor", "news"); var objpath = window.location.href; var id = 0; for (var i = 0; i <= txtjbo.length; i++) { if (objpath.toLowerCase().indexOf(txtjbo[i]) > 0) { id = i; } } for (var i = 0; i <= txtjbo.length; i++) { if (i == id) { if (document.getElementById("mynav" + i) != null) { document.getElementById("mynav" + i).className = "nav_on";//当前页的样式 } } else { if (document.getElementById("mynav" + i) != null) { document.getElementById("mynav" + i).className = "nav_off";//其他页的样式 } } } </script>