/**
 *������ѡ��ؼ���tiannet����ǰ�˾������ƶ��á��󲿷ִ�������meizz�������ؼ���
 *tiannet�����ʱ��ѡ���ܡ�select,object��ǩ���ع��ܣ���������с���ܡ�
 *ʹ�÷�����
 * (1)ֻѡ������   <input type="text" name="date"   readonly onclick="setday(this);">
 * (2)ѡ�����ں�сʱ  <input type="text" name="dateh"  readonly onclick="setdayh(this);">
 * (3)ѡ�����ں�сʱ������ <input type="text" name="datehm" readonly onclick="setdayhm(this);">
 *���ò����ķ���
 * (1)�������ڷָ��    setdatesplit(strsplit);ĭ��ϊ"-"
 * (2)����������ʱ��֮��ķָ��  setdatetimesplit(strsplit);ĭ��ϊ" "
 * (3)����ʱ��ָ��    settimesplit(strsplit);ĭ��ϊ":"
 * (4)����(1),(2),(3)�еķָ��  setsplit(strdatesplit,strdatetimesplit,strtimesplit);
 * (5)���ÿ�ʼ�ͽ������    setyearperiod(intdatebeg,intdateend)
 *˵����
 * ĭ�ϸ��ص�����ʱ���ʽ��ͬ��2005-02-02 08:08
 */
//------------------ ��ʽ���� ---------------------------//
//���ܰ�ťͬ����ʽ
var s_tiannet_turn_base = "height:16px;font-size:9pt;color:white;border:0 solid #cccccc;cursor:hand;background-color:#2650a6;";
//���ꡢ�µȵi�ť
var s_tiannet_turn = "width:28px;" + s_tiannet_turn_base;
//�رա���յȱ�ť��ʽ
var s_tiannet_turn2 = "width:22px;" + s_tiannet_turn_base;
//��ѡ��������
var s_tiannet_select = "width:64px;display:none;";
//�¡�ʱ����ѡ��������
var s_tiannet_select2 = "width:46px;display:none;";
//����ѡ��ؼ������ʽ
var s_tiannet_body = "width:150;background-color:#2650a6;display:none;z-index:9998;position:absolute;" +
  "border-left:1 solid #cccccc;border-top:1 solid #cccccc;border-right:1 solid #999999;border-bottom:1 solid #999999;";
//��ʾ�յ�td����ʽ
var s_tiannet_day = "width:21px;height:20px;background-color:#d8f0fc;font-size:10pt;";
//������ʽ
var s_tiannet_font = "color:#ffcc00;font-size:9pt;cursor:hand;";
//���ӵ���ʽ
var s_tiannet_link = "text-decoration:none;font-size:9pt;color:#2650a6;";
//����
var s_tiannet_line = "border-bottom:1 solid #6699cc";
//------------------ �������� ---------------------------//
var tiannetyearst = 1950;//��ѡ��ŀ�ʼ���
var tiannetyearend = 2010;//��ѡ��ľ������
var tiannetdatenow = new date();
var tiannetyear = tiannetdatenow.getfullyear(); //������ı����ij�ʼֵ
var tiannetmonth = tiannetdatenow.getmonth()+1; //�����µı����ij�ʼֵ
var tiannetday = tiannetdatenow.getdate();
var tiannethour = tiannetdatenow.gethours();//tiannetdatenow.gethours();
var tiannetminute = tiannetdatenow.getminutes();
var tiannetarrday=new array(42);          //����д���ڵ�����
var tiannetdatesplit = "-";     //���ڵķָ����
var tiannetdatetimesplit = " ";    //������ʱ��֮��ķָ��
var tiannettimesplit = ":";     //ʱ��ķָ����
var tiannetoutobject;      //��������ʱ��ķ���
var arrtiannethide = new array();//��ǿ�����صı�ǩ
var m_bolshowhour = false;//�ƿ���ʾсʱ
var m_bolshowminute = false;//�ƿ���ʾ����

var m_amonhead = new array(12);         //����������ÿ���µ��������
    m_amonhead[0] = 31; m_amonhead[1] = 28; m_amonhead[2] = 31; m_amonhead[3] = 30; m_amonhead[4]  = 31; m_amonhead[5]  = 30;
    m_amonhead[6] = 31; m_amonhead[7] = 31; m_amonhead[8] = 30; m_amonhead[9] = 31; m_amonhead[10] = 30; m_amonhead[11] = 31;
// ---------------------- �û��ɵ��õĺ��� -----------------------------//
//�û�����������ֻѡ������
function setday(obj){
 tiannetoutobject = obj;
 //�����ǩ����ֵ�������ڳ�ʼ��ϊ��ǰֵ
 var strvalue = tiannettrim(tiannetoutobject.value);
 if( strvalue != "" ){
  tiannetinitdate(strvalue);
 }
 tiannetpopcalendar();
}
//�û�����������ѡ�����ں�сʱ
function setdayh(obj){
 tiannetoutobject = obj;
 m_bolshowhour = true;
 //�����ǩ����ֵ�������ں�сʱ��ʼ��ϊ��ǰֵ
 var strvalue = tiannettrim(tiannetoutobject.value);
 if( strvalue != "" ){
  tiannetinitdate(strvalue.substring(0,10));
  var hour = strvalue.substring(11,13);
  if( hour < 10 ) tiannethour = hour.substring(1,2);
 }
 tiannetpopcalendar();
}
//�û�����������ѡ�����ں�сʱ������
function setdayhm(obj){
 tiannetoutobject = obj;
 m_bolshowhour = true;
 m_bolshowminute = true;
 //�����ǩ����ֵ�������ں�сʱ�����ӳ�ʼ��ϊ��ǰֵ
 var strvalue = "";
 if( strvalue != "" ){
  tiannetinitdate(strvalue.substring(0,10));
  var time = strvalue.substring(11,16);
  var arr = time.split(tiannettimesplit);
  tiannethour = arr[0];
  tiannetminute = arr[1];
  if( tiannethour < 10 ) tiannethour = tiannethour.substring(1,2);
  if( tiannetminute < 10 ) tiannetminute = tiannetminute.substring(1,2);
 }
 tiannetpopcalendar();
}
//���ÿ�ʼ���ںͽ�������
function  setyearperiod(intdatebeg,intdateend){
 tiannetyearst = intdatebeg;
 tiannetyearend = intdateend;
}
//�������ڷָ����ĭ��ϊ"-"
function setdatesplit(strdatesplit){
 tiannetdatesplit = strdatesplit;
}
//����������ʱ��֮��ķָ����ĭ��ϊ" "
function setdatetimesplit(strdatetimesplit){
 tiannetdatetimesplit = strdatetimesplit;
}
//����ʱ��ָ����ĭ��ϊ":"
function settimesplit(strtimesplit){
 tiannettimesplit = strtimesplit;
}
//���÷ָ��
function setsplit(strdatesplit,strdatetimesplit,strtimesplit){
 tiannetdatesplit(strdatesplit);
 tiannetdatetimesplit(strdatetimesplit);
 tiannettimesplit(strtimesplit);
}
//����ĭ�ϵ����ڡ���ʽϊ��yyyy-mm-dd
function setdefaultdate(strdate){
 tiannetyear = strdate.substring(0,4);
 tiannetmonth = strdate.substring(5,7);
 tiannetday = strdate.substring(8,10);
}
//����ĭ�ϵ�ʱ�䡣��ʽϊ��hh24:mi
function setdefaulttime(strtime){
 tiannethour = strtime.substring(0,2);
 tiannetminute = strtime.substring(3,5);
}
// ---------------------- end �û��ɵ��õĺ��� -----------------------------//
//------------------ begin ҳ����ʾ���� ---------------------------//
var weekname = new array("��","һ","��","��","��","��","��");
document.write('<div id="divtiannetdate" style="'+s_tiannet_body+'" style="������ѡ��ؼ���tiannet����ǰ�˾������ƶ��ɣ�">');
document.write('<div align="center" id="divtiannetdatetext" author="tiannet" style="padding-top:2px;">');
document.write('<span id="tiannetyearhead" author="tiannet" style="'+s_tiannet_font+'" '+
    'onclick="spanyearcevent();">&nbsp;��</span>');
document.write('<select id="seltianyear" style="'+s_tiannet_select+'" author="tiannet"  '+
    ' onchange="tiannetyear=this.value;tiannetsetday(tiannetyear,tiannetmonth);document.all.tiannetyearhead.style.display=\'\';'+
    'this.style.display=\'none\';">');
for(var i=tiannetyearst;i <= tiannetyearend;i ++){
 document.writeln('<option value="' + i + '">' + i + '��</option>');
}
document.write('</select>');
document.write('<span id="tiannetmonthhead" author="tiannet" style="'+s_tiannet_font+'" '+
    'onclick="spanmonthcevent();">&nbsp;&nbsp;��</span>');
document.write('<select id="seltianmonth" style="'+s_tiannet_select2+'" author="tiannet" '+
    'onchange="tiannetmonth=this.value;tiannetsetday(tiannetyear,tiannetmonth);document.all.tiannetmonthhead.style.display=\'\';'+
    'this.style.display=\'none\';">');
for(var i=1;i <= 12;i ++){
 document.writeln('<option value="' + i + '">' + i + '��</option>');
}
document.write('</select>');
//document.write('</div>');
//document.write('<div align="center" id="divtiannettimetext" author="tiannet">');
document.write('<span id="tiannethourhead" author="tiannet" style="'+s_tiannet_font+'display:none;" '+
    'onclick="spanhourcevent();">&nbsp;ʱ</span>');
document.write('<select id="seltianhour" style="'+s_tiannet_select2+'display:none;" author="tiannet" '+
    ' onchange="tiannethour=this.value;tiannetwritehead();document.all.tiannethourhead.style.display=\'\';' +
    'this.style.display=\'none\';">');
for(var i=0;i <= 23;i ++){
 document.writeln('<option value="' + i + '">' + i + 'ʱ</option>');
}
document.write('</select>');
document.write('<span id="tiannetminutehead" author="tiannet" style="'+s_tiannet_font+'display:none;" '+
    'onclick="spanminutecevent();">&nbsp;&nbsp;��</span>');
document.write('<select id="seltianminute" style="'+s_tiannet_select2+'display:none;" author="tiannet" '+
    '  onchange="tiannetminute=this.value;tiannetwritehead();document.all.tiannetminutehead.style.display=\'\';'+
    'this.style.display=\'none\';">');
for(var i=0;i <= 59;i ++){
 document.writeln('<option value="' + i + '">' + i + '��</option>');
}
document.write('</select>');
document.write('</div>');
//���һ������
document.write('<div style="'+s_tiannet_line+'"></div>');
document.write('<div align="center" id="divtiannetturn" style="border:0;" author="tiannet">');
document.write('<input type="button"wait="0" style="'+s_tiannet_turn+'" value="���" title="��һ��" onclick="tiannetprevyear();">');
document.write('<input type="button"wait="0" style="'+s_tiannet_turn+'" value="���" title="��һ��" onclick="tiannetnextyear();">&nbsp;');
document.write('<input type="button"wait="0" style="'+s_tiannet_turn+'" value="�¡�" title="��һ��" onclick="tiannetprevmonth();">');
document.write('<input type="button"wait="0" style="'+s_tiannet_turn+'" value="�¡�" title="��һ��" onclick="tiannetnextmonth();">');
document.write('</div>');
//���һ������
document.write('<div style="'+s_tiannet_line+'"></div>');
document.write('<table border=0 cellspacing=0 cellpadding=0  bgcolor=white onselectstart="return false">');
document.write(' <tr style="background-color:#2650a6;font-size:10pt;color:white;height:22px;" author="tiannet">');
for(var i =0;i < weekname.length;i ++){
 //�������
 document.write('<td width="21" align="center" author="tiannet">' + weekname[i] + '</td>');
}
document.write(' </tr>');
document.write('</table>');
//������ѡ��
document.write('<table border=0 cellspacing=1 cellpadding=0  bgcolor=white onselectstart="return false">');
var n = 0;
for (var i=0;i<5;i++) { 
 document.write (' <tr align=center id="trtiannetday' + i + '" >');
 for (var j=0;j<7;j++){
  document.write('<td align="center" id="tdtiannetday' + n + '" '+
    'onclick="tiannetday=this.innertext;tiannetsetvalue(true);" ' 
   +' style="' + s_tiannet_day + '">&nbsp;</td>');
  n ++;
 }
 document.write (' </tr>');
}
document.write (' <tr align=center id="trtiannetday5" >');
document.write('<td align="center" id="tdtiannetday35" onclick="tiannetday=this.innertext;tiannetsetvalue(true);" ' 
    +' style="' + s_tiannet_day + '">&nbsp;</td>');
document.write('<td align="center" id="tdtiannetday36" onclick="tiannetday=this.innertext;tiannetsetvalue(true);" ' 
    +' style="' + s_tiannet_day + '">&nbsp;</td>');
document.write('<td align="right" colspan="5"><a href="javascript:tiannetclear();" wait="0"  style="' + s_tiannet_link + '">���</a>'+
    '&nbsp;<a href="javascript:tiannethidecontrol();"  wait="0" style="' + s_tiannet_link + '">�ر�</a>' +
    '&nbsp;<a href="javascript:tiannetsetvalue(true);" wait="0"  style="' + s_tiannet_link + '">ȷ��</a>&nbsp;' +
    '</td>');
document.write (' </tr>');
document.write('</table>');
document.write('</div>');
//------------------ end ҳ����ʾ���� ---------------------------//
//------------------ ��ʾ����ʱ���span��ǩ��ӧ�¼� ---------------------------//
//�������span��ǩ��ӧ
function spanyearcevent(){
 hideelementsbyid(new array("seltianyear","tiannetmonthhead"),false);
 if(m_bolshowhour) hideelementsbyid(new array("tiannethourhead"),false);
 if(m_bolshowminute) hideelementsbyid(new array("tiannetminutehead"),false);
 hideelementsbyid(new array("tiannetyearhead","seltianmonth","seltianhour","seltianminute"),true);
}
//�����·�span��ǩ��ӧ
function spanmonthcevent(){
 hideelementsbyid(new array("seltianmonth","tiannetyearhead"),false);
 if(m_bolshowhour) hideelementsbyid(new array("tiannethourhead"),false);
 if(m_bolshowminute) hideelementsbyid(new array("tiannetminutehead"),false);
 hideelementsbyid(new array("tiannetmonthhead","seltianyear","seltianhour","seltianminute"),true);
}
//����сʱspan��ǩ��ӧ
function spanhourcevent(){
 hideelementsbyid(new array("tiannetyearhead","tiannetmonthhead"),false);
 if(m_bolshowhour) hideelementsbyid(new array("seltianhour"),false);
 if(m_bolshowminute) hideelementsbyid(new array("tiannetminutehead"),false);
 hideelementsbyid(new array("tiannethourhead","seltianyear","seltianmonth","seltianminute"),true);
}
//��������span��ǩ��ӧ
function spanminutecevent(){
 hideelementsbyid(new array("tiannetyearhead","tiannetmonthhead"),false);
 if(m_bolshowhour) hideelementsbyid(new array("tiannethourhead"),false);
 if(m_bolshowminute) hideelementsbyid(new array("seltianminute"),false);
 hideelementsbyid(new array("tiannetminutehead","seltianyear","seltianmonth","seltianhour"),true);
}
//���ݱ�ǩid���ػ���ʾ��ǩ
function hideelementsbyid(arrid,bolhide){
 var strdisplay = "";
 if(bolhide) strdisplay = "none";
 for(var i = 0;i < arrid.length;i ++){
  var obj = document.getelementbyid(arrid[i]);
  obj.style.display = strdisplay;
 }
}
//------------------ end ��ʾ����ʱ���span��ǩ��ӧ�¼� ---------------------------//
//�ж�ij���ƿ�ϊ����
function ispinyear(year){
 var bolret = false;
 if (0==year%4&&((year%100!=0)||(year%400==0))) {
  bolret = true;
 }
 return bolret;
}
//�õ�һ���µ�����������ϊ29��
function getmonthcount(year,month){
 var c=m_amonhead[month-1];
 if((month==2)&&ispinyear(year)) c++;
 return c;
}
//�������õ�ǰ���ա���ҫ�ƿ�ֹ�ڷ��ꡢ����ʱ����ǰ�մ��ڵ��µ������
function setrealdaycount() {
 if( tiannetday > getmonthcount(tiannetyear,tiannetmonth) ) {
  //�����ǰ���մ��ڵ��µ�����գ���ȡ���������
  tiannetday = getmonthcount(tiannetyear,tiannetmonth);
 }
}
//�ڸ�λ��ǰ����
function addzero(value){
 if(value < 10 ){
  value = "0" + value;
 }
 return value;
}
//ȡ���ո�
function tiannettrim(str) {
 return str.replace(/(^\s*)|(\s*$)/g,"");
}
//ϊselect����һ��option
function createoption(objselect,value,text){
 var option = document.createelement("option");
 option.value = value;
 option.text = text;
 objselect.options.add(option);
}
//��ǰ�� year
function tiannetprevyear() {
 if(tiannetyear > 999 && tiannetyear <10000){tiannetyear--;}
 else{alert("��ݳ�����χ��1000-9999����");}
 tiannetsetday(tiannetyear,tiannetmonth);
 //������с���������с��ݣ��򴴽���ӧ��option
 if( tiannetyear < tiannetyearst ) {
  tiannetyearst = tiannetyear;
  createoption(document.all.seltianyear,tiannetyear,tiannetyear + "��");
 }
 checkselect(document.all.seltianyear,tiannetyear);
 tiannetwritehead();
}
//���� year
function tiannetnextyear() {
 if(tiannetyear > 999 && tiannetyear <10000){tiannetyear++;}
 else{alert("��ݳ�����χ��1000-9999����");return;}
 tiannetsetday(tiannetyear,tiannetmonth);
 //�����ݳ�������������ݣ��򴴽���ӧ��option
 if( tiannetyear > tiannetyearend ) {
  tiannetyearend = tiannetyear;
  createoption(document.all.seltianyear,tiannetyear,tiannetyear + "��");
 }
 checkselect(document.all.seltianyear,tiannetyear);
 tiannetwritehead();
}
//ѡ�����
function tiannettoday() {
 tiannetyear = tiannetdatenow.getfullyear();
 tiannetmonth = tiannetdatenow.getmonth()+1;
 tiannetday = tiannetdatenow.getdate();
 tiannetsetvalue(true);
 //tiannetsetday(tiannetyear,tiannetmonth);
 //selectobject();
}
//��ǰ���·�
function tiannetprevmonth() {
 if(tiannetmonth>1){tiannetmonth--}else{tiannetyear--;tiannetmonth=12;}
 tiannetsetday(tiannetyear,tiannetmonth);
 checkselect(document.all.seltianmonth,tiannetmonth);
 tiannetwritehead();
}
//�����·�
function tiannetnextmonth() {
 if(tiannetmonth==12){tiannetyear++;tiannetmonth=1}else{tiannetmonth++}
 tiannetsetday(tiannetyear,tiannetmonth);
 checkselect(document.all.seltianmonth,tiannetmonth);
 tiannetwritehead();
}
//��span��ǩ��д���ꡢ�¡�ʱ���ֵ�����
function tiannetwritehead(){
 document.all.tiannetyearhead.innertext = tiannetyear + "��";
 document.all.tiannetmonthhead.innertext = tiannetmonth + "��";
 if( m_bolshowhour )  document.all.tiannethourhead.innertext = " "+tiannethour + "ʱ";
 if( m_bolshowminute ) document.all.tiannetminutehead.innertext = tiannetminute + "��";
 tiannetsetvalue(false);//���ı���ֵ���������ر��ؼ�
}
//������ʾ��
function tiannetsetday(yy,mm) {
  
 setrealdaycount();//���õ�����ʵ����
 tiannetwritehead();
 var strdatefont1 = "", strdatefont2 = "" //����������ʾ�ķ��
 for (var i = 0; i < 37; i++){tiannetarrday[i]=""};  //����ʾ�������ȫ�����
 var day1 = 1;
 var firstday = new date(yy,mm-1,1).getday();  //ij�µ�һ������ڼ�
 for (var i = firstday; day1 < getmonthcount(yy,mm)+1; i++){
  tiannetarrday[i]=day1;day1++;
 }
 //���������ʾ�յ����һ�еĵ�һ����Ԫ���ֵϊ�գ����������с�
 //if(tiannetarrday[35] == ""){
 // document.all.trtiannetday5.style.display = "none";
 //} else {
 // document.all.trtiannetday5.style.display = "";
 //}
 for (var i = 0; i < 37; i++){ 
  var da = eval("document.all.tdtiannetday"+i)     //��д�µ�һ���µ�������������
  if (tiannetarrday[i]!="") { 
   //�ж��ƿ�ϊ��ĩ���������ĩ�����ϊ��ɫ����
   if(i % 7 == 0 || (i+1) % 7 == 0){
   strdatefont1 = "<font color=#f0000>"
   strdatefont2 = "</font>"
   } else {
    strdatefont1 = "";
    strdatefont2 = ""
   }
   da.innerhtml = strdatefont1 + tiannetarrday[i] + strdatefont2;
   //����ǵ�ǰѡ����죬��ı���ɫ
   if(tiannetarrday[i] == tiannetday ) {
    da.style.backgroundcolor = "#cccccc";
   } else {
    da.style.backgroundcolor = "#efefef";
   }
   da.style.cursor="hand"
  } else {
   da.innerhtml="";da.style.backgroundcolor="";da.style.cursor="default"
  }
 }//end for
 tiannetsetvalue(false);//���ı���ֵ���������ر��ؼ�
}//end function tiannetsetday
//����option��ֵѡ��option
function checkselect(objselect,selectvalue) {
 var count = parseint(objselect.length);
 if( selectvalue < 10 && selectvalue.tostring().length == 2) {
  selectvalue = selectvalue.substring(1,2);
 }
 for(var i = 0;i < count;i ++){
  if(objselect.options[i].value == selectvalue){
   objselect.selectedindex = i;
   break;
  }
 }//for
}
//ѡ���ꡢ�¡�ʱ���ֵ�������
function selectobject(){
 //������с���������с��ݣ��򴴽���ӧ��option
 if( tiannetyear < tiannetyearst ) {
  for( var i = tiannetyear;i < tiannetyearst;i ++  ){
   createoption(document.all.seltianyear,i,i + "��");
  }
  tiannetyearst = tiannetyear;
 }
 //�����ݳ�������������ݣ��򴴽���ӧ��option
 if( tiannetyear > tiannetyearend ) {
  for( var i = tiannetyearend+1;i <= tiannetyear;i ++  ){
   createoption(document.all.seltianyear,i,i + "��");
  }
  tiannetyearend = tiannetyear;
 }
 checkselect(document.all.seltianyear,tiannetyear);
 checkselect(document.all.seltianmonth,tiannetmonth);
 if( m_bolshowhour )  checkselect(document.all.seltianhour,tiannethour);
 if( m_bolshowminute ) checkselect(document.all.seltianminute,tiannetminute);
}
//����������ʱ��ŀؼ���ֵ
//����bolhidecontrol - �ƿ����ؿؼ�
function tiannetsetvalue(bolhidecontrol){
 var value = "";
 if( !tiannetday || tiannetday == "" ){
  tiannetoutobject.value = value;
  return;
 }
 var mm = tiannetmonth;
 var day = tiannetday;
 if( mm < 10 && mm.tostring().length == 1) mm = "0" + mm;
 if( day < 10 && day.tostring().length == 1) day = "0" + day;
 value = tiannetyear + tiannetdatesplit + mm + tiannetdatesplit + day;
 if( m_bolshowhour ){
  var hour = tiannethour;
  if( hour < 10 && hour.tostring().length == 1 ) hour = "0" + hour;
  value += tiannetdatetimesplit + hour;
 }
 if( m_bolshowminute ){
  var minute = tiannetminute;
  if( minute < 10 && minute.tostring().length == 1 ) minute = "0" + minute;
  value += tiannettimesplit + minute;
 }
 tiannetoutobject.value = value;
 //document.all.divtiannetdate.style.display = "none";
 if( bolhidecontrol ) {
  tiannethidecontrol();
 }
}
//�ƿ���ʾʱ��
function showtime(){
 if( !m_bolshowhour && m_bolshowminute){
  alert("���ҫѡ����ӣ���������ѡ��сʱ��");
  return;
 }
 hideelementsbyid(new array("tiannethourhead","seltianhour","tiannetminutehead","seltianminute"),true);
 if( m_bolshowhour ){
  //��ʾсʱ
  hideelementsbyid(new array("tiannethourhead"),false);
 }
 if( m_bolshowminute ){
  //��ʾ����
  hideelementsbyid(new array("tiannetminutehead"),false);
 }
}
//������ʾ����ѡ��ؼ��������û�ѡ��
function tiannetpopcalendar(){
 //������������ʾ���ӧ��head
 hideelementsbyid(new array("seltianyear","seltianmonth","seltianhour","seltianminute"),true);
 hideelementsbyid(new array("tiannetyearhead","tiannetmonthhead","tiannethourhead","tiannetminutehead"),false);
 tiannetsetday(tiannetyear,tiannetmonth);
 tiannetwritehead();
 showtime();
 var dads  = document.all.divtiannetdate.style;
 var ix, iy;
  
 var h = document.all.divtiannetdate.offsetheight;
 var w = document.all.divtiannetdate.offsetwidth;
 //����left
 if (window.event.x + h > document.body.offsetwidth - 10    )
  ix = window.event.x - h - 5 ;
 else
  ix = window.event.x + 5;  
 if (ix <0)  
  ix=0;
 //����top
 iy = window.event.y;
 if (window.event.y + w > document.body.offsetheight - 10   )
  iy = document.body.scrolltop + document.body.offsetheight - w - 5 ;
 else
  iy = document.body.scrolltop +window.event.y + 5;  
 if (iy <0)  
  iy=0;
 dads.left = ix;
 dads.top = iy;
 tiannetshowcontrol();
 selectobject();
}
//���������ؼ�(ͬʱ��ʾ��ǿ�����صı�ǩ)
function tiannethidecontrol(){
 document.all.divtiannetdate.style.display = "none";
 tiannetshowobject();
 arrtiannethide = new array();//�������صı�ǩ�������
}
//��ʾ�����ؼ�(ͬʱ���ػ��ڵ��ı�ǩ)
function tiannetshowcontrol(){
 document.all.divtiannetdate.style.display = "";
 tiannethideobject("select");
 tiannethideobject("object");
}
//���ݱ�ǩ�������ر�ǩ�������ס�ؼ���select��object
function tiannethideobject(strtagname) {
 
 x = document.all.divtiannetdate.offsetleft;
 y = document.all.divtiannetdate.offsettop;
 h = document.all.divtiannetdate.offsetheight;
 w = document.all.divtiannetdate.offsetwidth;
 
 for (var i = 0; i < document.all.tags(strtagname).length; i++)
 {
  
  var obj = document.all.tags(strtagname)[i];
  if (! obj || ! obj.offsetparent)
   continue;
  // ��ȡԪ�ض���body��ǵ��������
  var objleft   = obj.offsetleft;
  var objtop    = obj.offsettop;
  var objheight = obj.offsetheight;
  var objwidth = obj.offsetwidth;
  var objparent = obj.offsetparent;
  
  while (objparent.tagname.touppercase() != "body"){
   objleft  += objparent.offsetleft;
   objtop   += objparent.offsettop;
   objparent = objparent.offsetparent;
  }
  //alert("�ؼ����:" + x + "select���" + (objleft + objwidth) + "�ؼ��ײ�:" + (y+h) + "select��:" + objtop);
  
  var bolhide = true;
  if( obj.style.display == "none" || obj.style.visibility == "hidden" || obj.getattribute("author") == "tiannet" ){
   //�����ǩ����������صģ�����ҫ�����ء�����ǿؼ��е�������ҳ�������ء�
   bolhide = false;
  }
  if(  ( (objleft + objwidth) > x && (y + h + 20) > objtop && (objtop+objheight) >  y && objleft < (x+w) ) && bolhide ){
   //arrtiannethide.push(obj);//��¼�����صı�ǩ����
   arrtiannethide[arrtiannethide.length] = obj;
   obj.style.visibility = "hidden";
  }
  
  
 }
}
//��ʾ�����صı�ǩ
function tiannetshowobject(){
 for(var i = 0;i < arrtiannethide.length;i ++){
  //alert(arrtiannethide[i]);
  arrtiannethide[i].style.visibility = "";
 }
}
//��ʼ�����ڡ�
function tiannetinitdate(strdate){
 var arr = strdate.split(tiannetdatesplit);
 tiannetyear = arr[0];
 tiannetmonth = arr[1];
 tiannetday = arr[2];
}
//���
function tiannetclear(){
 tiannetoutobject.value = "";
 tiannethidecontrol();
}
 //������ʱ�رոÿؼ�
 document.onclick=function(){
//function  document.onclick(){ 
  with(window.event.srcelement){ 
 if (tagname != "input" && getattribute("author") != "tiannet")
    tiannethidecontrol();
  }
}
//��esc���رոÿؼ�

document.onkeypress=function (){
 if( event.keycode == 27 ){
  tiannethidecontrol();
 }
}