js自动获取当前系统时间

    
     
    
    


     


    
    
        function tick()
        {
            var today;
            today = new Date();
            document.getElementById("localtime").innerHTML = showLocale(today);
            window.setTimeout("tick()", 1000);
        }
        function showLocale(objD)
        {
            var str,colorhead,colorfoot;
            var yy = objD.getYear();
            if(yy