js日历控件（可精确到分钟）

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    this.timer = null;
    this.fObj = null;
    
    this.toString = function()
    {
        var objDate = new Date();        
        var sMinute_Common = "class="m_input" maxlength="2" name=""+this.fName+"" onfocus=""+this.name+".setFocusObj(this)" onblur=""+this.name+".setTime(this)" onkeyup=""+this.name+".prevent(this)" onkeypress="if (!/[0-9]/.test(String.fromCharCode(event.keyCode)))event.keyCode=0" onpaste="return false" ondragenter="return false"";
        var sButton_Common = "class="m_arrow" onmouseup=""+this.name+".controlTime()" disabled"
        var str = "";
        str += "<table class="cal_drawtime" cellspacing="0" cellpadding="0">"
        str += "<tr>"
        str += "<td>"
        str += "请选择时间："
        str += "</td>"
        str += "<td>"
        str += "<div class="m_frameborder">"
        str += "<input radix="24" value=""+this.formatTime(objDate.getHours())+"" "+sMinute_Common+">:"
        str += "<input radix="60" value=""+this.formatTime(objDate.getMinutes())+"" "+sMinute_Common+">"
        //str += "<input radix="60" value=""+this.formatTime(objDate.getSeconds())+"" "+sMinute_Common+">"
        str += "</div>"
        str += "</td>"
        str += "<td>"
        str += "<table class="cal_drawtime" border="0" cellspacing="0" cellpadding="0">"
        str += "<tr><td><button id=""+this.fName+"_up" "+sButton_Common+">5</button></td></tr>"        
        str += "<tr><td><button id=""+this.fName+"_down" "+sButton_Common+">6</button></td></tr>"
        str += "</table>"
        str += "</td>"
        str += "</tr>"
        str += "</table>"
        return str;
    }
    this.play = function()
    {
        this.timer = setInterval(this.name+".playback()",1000);
    }
    this.formatTime = function(sTime)
    {
        sTime = ("0"+sTime);
        return sTime.substr(sTime.length-2);
    }
    this.playback = function()
    {
        var objDate = new Date();
        var arrDate = [objDate.getHours(),objDate.getMinutes(),objDate.getSeconds()];
        var objMinute = document.getElementsByName(this.fName);
        for (var i=0;i<objMinute.length;i++)
        {
            objMinute[i].value = this.formatTime(arrDate[i])
        }
    }
    this.prevent = function(obj)
    {
        clearInterval(this.timer);
        this.setFocusObj(obj);
        var value = parseInt(obj.value,10);
        var radix = parseInt(obj.radix,10)-1;
        if (obj.value>radix||obj.value<0)
        {
            obj.value = obj.value.substr(0,1);
        }
    }
    this.controlTime = function(cmd)
    {
        event.cancelBubble = true;
        if (!this.fObj) return;
        clearInterval(this.timer);
        var cmd = event.srcElement.innerText=="5"?true:false;
        var i = parseInt(this.fObj.value,10);
        var radix = parseInt(this.fObj.radix,10)-1;
        if (i==radix&&cmd)
        {
            i = 0;
        }
        else if (i==0&&!cmd)
        {
            i = radix;
        }
        else
        {
            cmd?i++:i--;
        }
        this.fObj.value = this.formatTime(i);
        this.fObj.select();
        getDateTime();
    }
    this.setTime = function(obj)
    {
        obj.value = this.formatTime(obj.value);
    }

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，js日历控件（可精确到分钟）