extjsテーマ切替（switch themes）
http://extjs.com/forum/showthread.php?t=2420&highlight=theme
Ext.theme = function() {
return{
apply:function(A) {
A = A.id ? A.id : A;
Cookies.set("xrinsurtheme", A);
Ext.util.CSS.swapStyleSheet("theme", getSitePath() + "/extjs/resources/css/ytheme-" + A + ".css");
Ext.util.CSS.swapStyleSheet("theme", getSitePath() + "/extjs/resources/css/xtheme-" + A + ".css");
}
}
} ();
var path = getSitePath();
function getSitePath() {
var B = document.location.protocol, C = document.location.host, D = document.location.pathname, A = document.location.search, E = B + "//" + C + "/" + (D.split("/"))[1];
return E;
}
function setSitePath(A) {
return path + "/" + A;
}