//utf-8として保存
function addEventToObject(obj, evt, func) 
{
var oldhandler = obj[evt];
if (typeof obj[evt] != 'function') {
obj[evt] = func;
} else {
obj[evt] = function() {
oldhandler();
func();
}
}
}

var pageName = document.title.split(" - ");
var re = /¥&/g;
for (i=0; i<pageName.length; i++) {
pageName[i] = pageName[i].replace(re, "&amp;");
}
	
function openMenu() {
lis = document.getElementById('nav-block').getElementsByTagName('li');
for (i=0; i<lis.length; i++) {
if (lis[i].innerHTML.indexOf(pageName[pageName.length]) != -1 || lis[i].innerHTML.indexOf(pageName[pageName.length-2]) != -1 || lis[i].innerHTML.indexOf(pageName[pageName.length-1]) != -1) {
lis[i].className = "on";
break;
}
}
}