var tooltipcss = document.createElement("link");
tooltipcss.type = "text/css";
tooltipcss.rel = "stylesheet";
tooltipcss.href = "/tooltip/tooltip.css";
head = document.getElementsByTagName("head")[0];
head.appendChild(tooltipcss);
var tooltipjs = document.createElement("script");
tooltipjs.type = "text/javascript";
tooltipjs.src = "/tooltip/tooltip.js";
head.appendChild(tooltipjs);
if (/msie/i.test(navigator.userAgent) && !/opera/i.test(navigator.userAgent)) {
        var iecss = document.createElement("link");
        iecss.type = "text/css";
        iecss.rel = "stylesheet";
        iecss.href = "/tooltip/tooltip-ie.css";
        head.appendChild(iecss);
}