src = """
(function() {
    var loadCss = setInterval(function() {
        if (document.readyState === "complete") {
            clearInterval(loadCss);
            
            var css = document.createElement("style");
            css.type = "text/css";
            css.innerHTML = "%s";
            document.head.appendChild(css);
        }
    }, 10);    
})()
"""

disable_text_select = src % 'body {-webkit-user-select: none; -khtml-user-select: none; -ms-user-select: none; user-select: none; cursor: default;}'