//调用方法:onclick="return calendar('输入框id');"
var monthdnum=new array(0,31,28,31,30,31,30,31,31,30,31,30,31);
var monthtext=new array("","一月","二月","三月","四月","五月","六月","七月","八月","九月","十月","十一月","十二月");
var calendar_obj,calendar_obj2;
//var writehead=1;
document.write('')
/*头部信息css及js函数*/
var headmsg=''+
''+
'var mdown,sy,ey,sm,em,hideselect=1,currentselect,year,month,day;function scroll(str,key)'+
'{var html="",s,e,obj,d;'+
'if(key=="y"){s=sy;e=ey;obj="selectyearitem";d="年";}if(key=="m"){s=sm;e=em;obj="selectmonthitem";d="";}'+
'if(str=="up"){s--;e--;}if(str=="next"){s++;e++;}'+
'if(key=="y"){sy=s;ey=e;}if(key=="m"){if(s<1)s=1;if(s>6)s=6;if(e<7)e=7;if(e>12)e=12;sm=s;em=e;}'+
'for(i=s;i<=e;i++){html+=\'\'+parent.monthtext[i]:i+\',\'+month+\',\'+day+\');">\'+i;html+=d+"";}'+
'document.getelementbyid(obj).innerhtml=html;}'+
'function keydown(str){if(str==38){scroll("up",currentselect);}if(str==40){scroll("next",currentselect);}}'+
'function showselect(str,str2){hideselect=0;hselect();scroll(\'\',str2);document.getelementbyid(str).style.display="block";currentselect=str2}'+
'function hselect(){document.getelementbyid("selectyear").style.display="none";document.getelementbyid("selectmonth").style.display="none";}'+
'function calendar_getdate(y,m,d)'+
'{var objevent=window.event||arguments.callee.caller.arguments[0];'+
'var srcelement=objevent.srcelement;'+
'if(!srcelement){srcelement=objevent.target;}'+
'if(srcelement.tagname=="a"){parent.calendar_getdate(y,m,srcelement.innerhtml);}}'+
'document.onclick=function(){if(hideselect){hselect();}hideselect=1;}'+
''+
'';
function calendar_show(year,month,day)
{
var content;
var date=new date();
var daynum=(isleapyear(year) && month==2)?monthdnum[month]+1:monthdnum[month];
var date2=new date(year,month-1,1)
var start=date2.getday();
var date2=null;
var trn=math.ceil((daynum+start)/7);
var prnum=1;
content='year='+year+',month='+month+',day='+day+',sy=year-3;ey=year+3;'+
'sm=(month-3<1)?1:(+month-3>6)?6:month-3;'+
'em=(month+3<7)?7:(month+3>12)?12:month+3;'+
''+year+'年
6
'+
''+monthtext[month]+'
6
';
content+='- ×
'+
'
'+
'
'+
'
';
var date=null;
if(start>0){content+='';}
for(i=1;i<=daynum;i++)
{
content+='