jsp 日历的源码(3)

        var now = new Date ();

        monthNow = now.getMonth () + 1;

        yearNow = now.getYear ();

        dayNow = now.getDate();

        yearNow = ( yearNow < 100 ) ? yearNow + 1900 : yearNow;

        var count = 0

        for (var i = yearNow-103; i < yearNow + 50; i++) {

          eval("form.yearList.options[count] = new Option('"+i+"', '"+i+"')");

          count++;

        }

        form.yearList.selectedIndex = 103;

        form.yearList.length = count;

    }

    function error ()   {

        alert ( "超出范围!" );

    }

    function display_month ( form )  {

        var month = form.monthList.selectedIndex + 1;

        var year = parseInt ( form.yearList.options[ form.yearList.selectedIndex].text );

        var start_day = start_day_in_month ( year, month );

        var count = 0;

        for ( var row=0; row<6; row++) {

            for ( var col=0; col<7; col++ )

            {

                if ( row == 0 && col < ( start_day - 1 ) )

                    var day = "";

                else if ( count < endDay[month] )

                    day = ++count;

                else

                    day = "";

                form.dayBox[(row*7)+col].style.display = "";

                form.dayBox[(row*7)+col].style.color = "black";