日期控件
<script> <br>var agt = navigator.userAgent.toLowerCase(); <br>var OldTextBox; <br>function DateSeter(obj){ <br> var parent=obj.parentNode; <br><br> var selYear=document.createElement('SELECT'); <br> selYear.id='LoftyYear'; <br> parent.insertBefore(selYear,obj); <br> var selMonth=document.createElement('SELECT'); <br> selMonth.id='LoftyMonth'; <br> parent.insertBefore(selMonth,obj); <br> var selDay=document.createElement('SELECT'); <br> selDay.id='LoftyDay'; <br> parent.insertBefore(selDay,obj); <br> var btnSubmit=document.createElement('BUTTON'); <br> btnSubmit.style.width='22px'; <br> parent.insertBefore(btnSubmit,obj); <br> btnSubmit.id='LoftyBtn'; <br> for(s in btnSubmit) <br> { <br>//document.write(s '<br />'); <br> } <br> btnSubmit.textContent='OK'; <br> btnSubmit.value='OK'; <br> al(btnSubmit,'click','Restore()'); <br> OldTextBox=obj; <br> parent.removeChild(obj); <br><br> var now=new Date(); <br> var cYear=now.getFullYear(); <br> SetCurrentYear(selYear,cYear); <br> al(selYear,'change','SetCurrentYear(document.getElementById('LoftyYear'))'); <br> al(selMonth,'change','SetDay(null,null)'); <br> for(i=1;i<=12;i ) <BR> { <BR> var op=new Option(i,i); <BR> selMonth.options.add(op); <BR> } <BR> var cMonth=now.getMonth() 1; <BR> SetDay(cYear,cMonth); <BR> selDay.selectedIndex=now.getDate()-1; <BR>} <BR>function Restore() <BR>{ <BR> var yy=document.getElementById('LoftyYear'); <BR> var mm=document.getElementById('LoftyMonth'); <BR> var d=document.getElementById('LoftyDay'); <BR> var btn=document.getElementById('LoftyBtn'); <BR> var time=yy.options[yy.selectedIndex].value '-' mm.options[mm.selectedIndex].value '-' d.options[d.selectedIndex].value; <BR> OldTextBox.value=time; <BR> var parent=yy.parentNode; <BR> parent.insertBefore(OldTextBox,yy); <BR> parent.removeChild(yy); <BR> parent.removeChild(mm); <BR> parent.removeChild(d); <BR> parent.removeChild(btn); <BR>} <BR>function SetDay(year,month) <BR>{ <BR> if(year==null){ <BR> var yy=document.getElementById('LoftyYear'); <BR> var mm=document.getElementById('LoftyMonth'); <BR> year=Math.round(yy.options[yy.selectedIndex].value); <BR> month=Math.round(mm.options[mm.selectedIndex].value); <BR> } <BR> var date=new Date(year,month,1); <BR> date.setDate(0); <BR> var maxdate=date.getDate(); <BR> var obj=document.getElementById('LoftyDay'); <BR> var seldate=obj.selectedIndex; <BR> if(obj.options.length>0){ <br> if(Math.round(obj.options[obj.selectedIndex].value)>maxdate) <br> { <br> seldate=maxdate-1; <br> } <br> }<br> reAppendSelect(obj,1,maxdate,seldate 1); <br>} <br>function SetCurrentYear(selecter,currYear) <br>{ <br> if(currYear==null){ <br> currYear=Math.round(selecter.options[selecter.selectedIndex].value); <br> } <br> reAppendSelect(selecter,currYear-10,currYear 10,currYear); <br>} <br>function reAppendSelect(selecter,startIndex,endIndex,selIndex) <br>{ <br> while(selecter.options.length>0) <br> { <br> selecter.removeChild(selecter.options[selecter.options.length-1]); <br> } <br> for(i=startIndex;i<=endIndex;i ) <BR> { <BR> var op=new Option(i,i); <BR> selecter.options.add(op); <BR> op.selected=(selIndex==i); <BR> } <BR>} <BR>function al(obj,lissener,func){ <BR> if(agt.indexOf('firefox')!=-1){ <BR> obj.addEventListener(lissener,function(){eval(func);},false); <BR> }else{ <BR> obj.attachEvent('on' lissener,function(){eval(func);}); <BR> } <BR>} <BR></script>
