/*ajaxがChromeまたはIEで機能しない*/
var request = new XMLHttpRequest();
function pg2() {
request.open("GET","Html/picture.html",true);
request.onreadystatechange= function() {
if (request.readyState == 4){
document.getElementById('content').innerHTML = request.responseText;
}
}
request.send(null);
}