请问下面代码怎么在NETSCAPE 7中有效？？(在IE中显示正常！)

if(!document.layers&&!document.getElementById)

解决方案 »

  1.   

    <html>
    <body onload=show5()>
    <span id=liveclock style=position:absolute;left:250px;top:122px;; width: 109px; height: 15px>
    </span>
    <SCRIPT language=javascript>
    <!--function show5(){if(!document.layers&&!document.getElementById)return
    var Digital=new Date()
    var hours=Digital.getHours()
    var minutes=Digital.getMinutes()
    var seconds=Digital.getSeconds()
    var dn="AM"
    if(hours>12){dn="PM"
    hours=hours-12
    }if(hours==0)
    hours=12
    if(minutes<=9)
    minutes="0"+minutes
    if(seconds<=9)
    seconds="0"+seconds
    //change font size here to your desire
    myclock="<font size='5' face='Arial' ><b><font size='1'>Current Time:</font></br>"+hours+":"+minutes+":"
    +seconds+" "+dn+"</b></font>"
    if(document.layers){document.layers.liveclock.document.write(myclock)
    document.layers.liveclock.document.close()
    }else if(document.getElementById)
    document.getElementById("liveclock").innerHTML=myclock
    setTimeout("show5()",1000)
    }
    //-->
    </SCRIPT>
    </body>
    </html>