var browser_ok = false;

//var safari_ver_arr = navigator.userAgent.match(/(.\..\..) Safari/);
var safari_ver_arr = navigator.userAgent.match(/ Version\/(.\..\..)/);
var safari_ver = 0;
if ( safari_ver_arr != null ) {
        if ( safari_ver_arr.length == 2 )
                safari_ver = safari_ver_arr[1];
        alert("safari_ver=[" + safari_ver + "]");
        if ( safari_ver >= "5.0.2" ) {
                browser_ok = true;
                alert("Safari 5.0.2+ OK");
                //if ( url.indexOf("/common/") >= 0 ) {
                //      var newurl = url.replace("\/common\/","/common_safari/"
~                                                                                              //      alert(" need to redirect to common_safari to newurl=["   ewurl + "]") ;
                //      location.replace(newurl);
                //}
        }
}