//定位当前导航
function getEl(name){
	return document.getElementById(name);
}
function IsInUrl(url){
	var loca = location.pathname.toLowerCase();
	return (loca == url || (loca.length > url.length && loca.substring(0, url.length) == url));
}
var url = location.pathname.toLowerCase();
if (url == '/index.shtml' || url == '/'){
	getEl("m1").className = "on";
} else if (url == '/about/lx.shtml'){
	getEl("m8").className = "on";
} else if (IsInUrl('/about')){
	getEl("m2").className = "on";
} else if (IsInUrl('/fwxm')){
	getEl("m3").className = "on";
} else if (IsInUrl('/whqydzt') || IsInUrl('/xizhi') || IsInUrl('/rfzxzt') || IsInUrl('/sypxfzt') || IsInUrl('/feishoushuzhengxing') || IsInUrl('/html/shuangyanpi')){
	getEl("m4").className = "on";
} else if (IsInUrl('/duibizhaopian')){
	getEl("m6").className = "on";
} else if (url == '/ly/'){
	getEl("m7").className = "on";
}