Javascript产生随机数函数实例

<script>
getNowFormatDate();
function getNowFormatDate()
{
    var day = new Date();
    var Year = 0;
    var Month = 0;
    var Day = 0;
    var CurrentDate = "";
    var num = GetRandomNum(1,10);  
    //初始化时间
    //Year= day.getYear();//有火狐下2008年显示108的bug
    Year= day.getFullYear();//ie火狐下都可以
    Month= day.getMonth()+1;
    Day = day.getDate();
    Hour = day.getHours();
    Minute = day.getMinutes();
    Second = day.getSeconds();
    CurrentDate += Year ;
    if (Month >= 10 )
    {
    CurrentDate += Month ;
    }
    else
    {
    CurrentDate += "0" + Month ;
    }
    if (Day >= 10 )
    {
    CurrentDate += Day ;
    }
    else
    {
    CurrentDate += "0" + Day ;
    }
    CurrentDate = CurrentDate + Hour + Minute + Second + num;
    document.getElementById("fname").value=CurrentDate;
}

function GetRandomNum(Min,Max)
{  
    var Range = Max - Min;  
    var Rand = Math.random();  
    return(Min + Math.round(Rand * Range));  
}  
</script>