function BrowserBase() {
    
    BrowserBase.prototype.isDocumentXMTHL = function() {
        var documentNameSpace = document.documentElement.getAttribute("xmlns");
        if (documentNameSpace != null && documentNameSpace == "http://www.w3.org/1999/xhtml") {
            return true;
        }
        else {
            return false;
        }
    }
    
    BrowserBase.prototype.getPixelValue = function(string) {
        var returnValue = 0;
        if (string.length > 0) {
            returnValue = parseInt(string.substr(0, string.length - 2));
        }
        return returnValue;
    }
}