不错的一个日期输入 动态_时间日期

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<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>