// Problem in MicrosoftAjax.js for Safari 3 release -- see http://forums.asp.net/p/1252014/2392110.aspx 
// Uncomment the next 8 lines to force correct behavior in Safari 3 release:
if (typeof (Sys.Browser.WebKit) === 'undefined') {
    Sys.Browser.WebKit = {};
    if (navigator.userAgent.indexOf('WebKit/') > -1) {
        Sys.Browser.agent = Sys.Browser.WebKit;
        Sys.Browser.version = parseFloat(navigator.userAgent.match(/WebKit\/(\d+(\.\d+)?)/)[1]);
        Sys.Browser.name = 'WebKit';
    }
}