在我的表单中,我有三个下拉列表来选择日期。和他们相应的可用时间。如果选择星期一和时间早上的可用日期。然后在休息时间休息两个下拉列表上午的时间应该被禁用。 HTML代码为:下拉列表验证
DAY 1:<select id="day1" title="- Select day -" name="wd1" id="wd1" tabindex="14" >
<option selected>-select-</option>
<option value="1" >Sunday</option>
<option value="2" >Monday</option>
<option value="3" >Tuesday</option>
<option value="4" >Wednesday</option>
<option value="5" >Thursday</option>
<option value="6" >Friday</option>
<option value="7" >Saturday</option>
</select>
TIME 1 : <select name="tslot1" id="tslot1" tabindex="15">
<option selected>-select-</option>
<option>Morning(8-12)</option>
<option>Afternoon(12-4pm)</option>
<option>Evening(4-8pm)</option></select><br><br>
DAY 2:<select id="day2" title="- Select day -" name="wd2" id="wd2" tabindex="16" >
<option selected>-select-</option>
<option value="1" >Sunday</option>
<option value="2" >Monday</option>
<option value="3" >Tuesday</option>
<option value="4" >Wednesday</option>
<option value="5" >Thursday</option>
<option value="6" >Friday</option>
<option value="7" >Saturday</option>
</select>
TIME 2 : <select name="tslot2" id="tslot2" tabindex="17" >
<option selected>-select-</option>
<option>Morning(8-12)</option>
<option>Afternoon(12-4pm)</option>
<option>Evening(4-8pm)</option></select><br/><br/>
DAY 3:<select select id="day3" title="- Select day -" name="wd3" id="wd3" tabindex="18" >
<option selected>-select-</option>
<option value="1" >Sunday</option>
<option value="2" >Monday</option>
<option value="3" >Tuesday</option>
<option value="4" >Wednesday</option>
<option value="5" >Thursday</option>
<option value="6" >Friday</option>
<option value="7" >Saturday</option>
</select>
TIME 3 : <select name="tslot3" id="tslot3" tabindex="19" >
<option selected>-select-</option>
<option>Morning(8-12)</option>
<option>Afternoon(12-4pm)</option>
<option>Evening(4-8pm)</option></select><br/><br/>
请你帮我解决这个问题...