//http://www.sencha.com/forum/archive/index.php/t-109990.html
if ((typeof Range !== "undefined")&&  !Range.prototype.createContextualFragment)
{
    Range.prototype.createContextualFragment = function(html)
    {
        var frag = document.createDocumentFragment(),
        div = document.createElement("div");
        frag.appendChild(div);
        div.outerHTML = html;
        return frag;
    };
}


//http://www.sencha.com/forum/showthread.php?115849-OPEN-1434-ExtJS-TreePanel-and-IE9
//alternative:http://www.sencha.com/forum/showthread.php?111900-Compatibility-with-Internet-Explorer-9&highlight=ie9
if (Ext.isIE6 && /msie 9/.test(navigator.userAgent.toLowerCase())) {
	Ext.isIE6 = Ext.isIE = false;
	Ext.isChrome = Ext.isIE9 = true;
}