// This is to account for a bug in ajax.net toolkit that don't account for webkit browser types
// like Google Chrome and Safari 3 

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';
}