var TargetDate=document.shcheckinfrm.enddate;
var TDate = new Date();
var Current_Date = new Date(Date.parse(new Date())+(1000*60*60*24));
var Current_Month = Current_Date.getMonth();
var Days_in_Month = new Array(31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31);
var Month_Label = 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 Holiday=new Array(12);
Holiday[0]=new Array(1,2,3,4,11,18,24,25,26,27,28,29,30,31);
Holiday[1]=new Array(1,7,8,14,15,21,22,28);
Holiday[2]=new Array(1,7,8,14,15,21,22,28,29);
Holiday[3]=new Array(4,5,11,12,18,19,25,26);
Holiday[4]=new Array(1,2,3,9,10,16,17,23,24,28,29,30,31);
Holiday[5]=new Array(6,7,13,14,20,21,27,28);
Holiday[6]=new Array(4,5,11,12,18,19,25,26);
Holiday[7]=new Array(1,2,8,9,15,16,22,23,29,30);
Holiday[8]=new Array(3,5,6,12,13,19,20,26,27);
Holiday[9]=new Array(3,4,10,11,17,18,24,25,31);
Holiday[10]=new Array(1,7,8,14,15,21,22,28,29);
Holiday[11]=new Array(5,6,12,13,19,20,26,27);
var Current_Year = Current_Date.getYear();
var Today = Current_Date.getDate();
function CheckHoliday(Y,M,D,AD)
{
 if(Y!=Year) 
 {
  if(AD%7==6 || AD%7==5) return true;
  else return false;
 } 
 for(a=0;a<=Holiday[M].length;a++)
  if(D==Holiday[M][a]) return true;
 return false;  
}
function Header(Year, Month) 
{
  var NY=0,NM=0,PY=0,PM=0;
  var PS="";
  if(Selected_Month==11)
  {
   NY=Selected_Year+1;
   NM=0;
   PY=Selected_Year
   PM=Selected_Month-1
  }
  else if(Selected_Month==0)
  {
   NY=Selected_Year;
   NM=Selected_Month+1;
   PY=Selected_Year-1
   PM=11;
  }
  else
  {
   NY=Selected_Year;
   NM=Selected_Month+1;
   PY=Selected_Year;
   PM=Selected_Month-1;
  }
  if((Selected_Year>NYear) || (Selected_Year==NYear && Selected_Month>NMonth) )
   PS="<a href=javascript:Make_Calendar("+PY+","+PM+")><font color=ffffff size=2>上個月</a></font>";
  if (Month == 1) {
  if ((Year % 400 == 0) || ((Year % 4 == 0) && (Year % 100 != 0))) {Days_in_Month[1] = 29;}}
  var Header_String = Year+"年"+Month_Label[Month] ;
  return "<td align=center colspan=2>"+PS+"</td><td colspan=3 align=center><font color=ffffff size=2>"+Header_String+"</font></td><td align=center height=25 colspan=2><a href=javascript:Make_Calendar("+NY+","+NM+")><font color=ffffff size=2>下個月</a></font></td>";
  	
  	


}
function Make_Calendar(Year, Month) {
Selected_Year=Year;
Selected_Month=Month;
var First_Date = new Date(Year, Month, 1);
var Heading = Header(Year, Month);
var First_Day = First_Date.getDay() - 1;
if(First_Day<0)First_Day=6;
Rows=Math.round( (First_Day+Days_in_Month[Month])/7 +0.4999);
var HTML_String = '<br><table cellspacing=1 cellpadding=2  bgcolor=#CACACA border=0 width=240 height=220>';
HTML_String += '<tr bgcolor=#275230>' + Heading + '</tr>';
HTML_String += '<tr bgcolor="#FFFFFF"><td colspan="7"  align=center><table  border="0" cellspacing="1" cellpadding="1" bgcolor=81b1cb><tr bgcolor=#ffffff><td colspan=3> <table cellspacing=2 cellpadding=2  border=0><tbody>';
HTML_String += '<tr align=middle bgcolor="#D5E7BE"><td width=25 height=25><font color=#2D2F3E size=2>一</font></td><td width=25 height=25><font color=#2D2F3E size=2>二</font></td><td width=25 height=25><font color=#2D2F3E size=2>三</font></td><td width=25 height=25><font color=#2D2F3E size=2>四</font></td><td width=25 height=25><font color=#2D2F3E size=2>五</font></td><td width=25 height=25><font color=#2D2F3E size=2>六</font></td><td width=25 height=25><font color=#2D2F3E size=2>日</font></td></tr>';
var Day_Counter = 1;
var Loop_Counter = 0;
for (var j = 1; j <= Rows; j++) {
HTML_String += '<tr align=middle bgcolor=#E7E7E7>';
for (var i = 1; i < 8; i++) {
if ((Loop_Counter >= First_Day) && (Day_Counter <= Days_in_Month[Month])) {
if ( (Year < NYear) || ( Year==NYear && Month <NMonth) || ( Year==NYear && Month==NMonth && Day_Counter<Today) )
 HTML_String += '<td width=25 height=25><b><font face=Arial, Helvetica, sans-serif size=2>'+Day_Counter+'</font></b></td>';
//else if ((Day_Counter == Today) && (Year == Current_Year) && (Month == Current_Month)) {
//HTML_String += '<td width=25 height=25><a href=javascript:GetDate('+Day_Counter+')><b><font color=#CC11CC size=2 face=Arial, Helvetica, sans-serif><b>' + Day_Counter + '</a></b></font></strong></td>';
//}
else if(CheckHoliday(Selected_Year,Selected_Month,Day_Counter,(Day_Counter+First_Day-1) ))
  HTML_String += '<td width=25 height=25><a href=javascript:GetDate('+Day_Counter+')><b><font color=red size=2 face=Arial, Helvetica, sans-serif><b>' + Day_Counter + '</a></b></font></strong></td>';
else {
HTML_String += '<td width=25 height=25><a href=javascript:GetDate('+Day_Counter+')><b><font color=#201582 size=2 face=Arial, Helvetica, sans-serif><b>' + Day_Counter + '</a></b></font></td>';
}
Day_Counter++; 
}
else {
HTML_String += ' <td width=25 height=25><font size=2 color=666666>-</font></td>';
}
Loop_Counter++;
}
HTML_String += '</tr>';
}
HTML_String += '</table><center><font size=2 color=666666><a href=javascript:hideObject()>關閉日曆</a></font></center></td></tr></table>';
document.all.selectCalendar.innerHTML = HTML_String+"<iframe style='position:absolute;z-index:-1;width:100%;height:100%;top:0;left:0;scrolling:no;' frameborder='0' src='about:blank'></iframe>";
}
function Check_Nums() {
if ((event.keyCode < 48) || (event.keyCode > 57)) {
return false;
}}
function On_Year() 
{
  var Year = document.when.year.value;
  if (Year.length == 4) 
  {
    Selected_Month = document.when.month.selectedIndex;
    Selected_Year = Year;
    Make_Calendar(Selected_Year, Selected_Month);
  }
}
function On_Month() {
var Year = document.when.year.value;
if (Year.length == 4) {
Selected_Month = document.when.month.selectedIndex;
Selected_Year = Year;
Make_Calendar(Selected_Year, Selected_Month);
}
else {
alert('請輸入要查詢的西元年.');
document.when.year.focus();
}}
function Defaults() {
if (!document.all)
return
var Mid_Screen = Math.round(document.body.clientWidth / 2);
document.when.month.selectedIndex = Current_Month;
document.when.year.value = Current_Year;
Selected_Month = Current_Month;
Selected_Year = Current_Year;
Make_Calendar(Current_Year, Current_Month);
}
function Skip(Direction) {
if (Direction == '+') {
if (Selected_Month == 11) {
Selected_Month = 0;
Selected_Year++;
}
else {
Selected_Month++;
}
}
else {
if (Selected_Month == 0) {
Selected_Month = 11;
Selected_Year--;
}
else {
Selected_Month--;
}
}
Make_Calendar(Selected_Year, Selected_Month);
document.when.month.selectedIndex = Selected_Month;
document.when.year.value = Selected_Year;
}
function showObject() {		     	    
        document.getElementById('selectCalendar').style.display = "";           
}
function hideObject() {
        document.getElementById('selectCalendar').style.display = "none";      
}
function SHObject(SImage,Target){  
   TargetDate=Target;
   if (TargetDate!=Target ||document.getElementById('selectCalendar').style.display=="none")
   {       
       document.getElementById('selectCalendar').style.display="";
       //document.all.selectCalendar.style.left=SImage.offsetLeft;         
       document.getElementById('selectCalendar').style.top="1050px";     
       document.getElementById('selectCalendar').style.left=event.x+document.body.scrollLeft-50; 
   }    
   else
       document.getElementById('selectCalendar').style.display="none"; 
}
function GetDate(D) 
{        
  if(D<10) D="0"+D;
  if( (Selected_Month+1)<10)
    TargetDate.value=Selected_Year+"/0"+(Selected_Month+1)+"/"+D;  
  else
    TargetDate.value=Selected_Year+"/"+(Selected_Month+1)+"/"+D;  
    hideObject();  
    if(TargetDate==document.shcheckinfrm.startdate)
    {  
    	  var TmpDate=new Date(Selected_Year,Selected_Month,D);    	   
        var NextDay = new Date(Date.parse(TmpDate)+(1000*60*60*24) ) ; //1天等於(1*1000*60*60*24)毫秒                         
        document.shcheckinfrm.enddate.value=NextDay.getFullYear()+"/";
        if((NextDay.getMonth()+1)<10) document.shcheckinfrm.enddate.value=document.shcheckinfrm.enddate.value+"0";        
        document.shcheckinfrm.enddate.value=document.shcheckinfrm.enddate.value+(NextDay.getMonth()+1)+"/";
        if(NextDay.getDate()<10) document.shcheckinfrm.enddate.value=document.shcheckinfrm.enddate.value+"0";        
        document.shcheckinfrm.enddate.value=document.shcheckinfrm.enddate.value+NextDay.getDate();
    }                      
  /*if(TargetDate==document.shcheckinfrm.startdate)
  {
   if( (Number(D)+1)<=Number(Days_in_Month[Selected_Month]) )
    D=Number(D)+1;
   else 
   {
     if( (Selected_Month+1)<12)
       Selected_Month=Selected_Month+1
     else
     {
       Selected_Month=1;  
       Selected_Year=Selected_Year+1;
     }  
     D=1;
   } 
     if(D<10) D="0"+D;
     if((Selected_Month+1)<10)
       document.shcheckinfrm.enddate.value=Selected_Year+"/0"+(Selected_Month+1)+"/"+D; 
     else
       document.shcheckinfrm.enddate.value=Selected_Year+"/"+(Selected_Month+1)+"/"+D; 
  }  */
}
function CheckDate(T1)
{
 if(T1.value!="不限"){
 Tmp=T1.value.split("/");
 if(Tmp.length==3)
 {
   if(Tmp[1]>12) {alert("日期月份不可以大於12");T1.focus();return false;}    
   if(Tmp[2]>Days_in_Month[Number(Tmp[1])-1]  ){alert(Number(Tmp[1])+"月最多只有"+Days_in_Month[Number(Tmp[1])-1]+"天");T1.focus();return false;} 
   if(Number(Tmp[1])<10 || Number(Tmp[2])<10)
   {
     if(Number(Tmp[1])<10) Tmp[1]="0"+Number(Tmp[1]);
     if(Number(Tmp[2])<10) Tmp[2]="0"+Number(Tmp[2]);
     T1.value=Tmp[0]+"/"+Tmp[1]+"/"+Tmp[2];
   }  
 }
 if( !/^[1-9][0-9][0-9][0-9]\/[0-1][0-9]\/[0-3][0-9]$/.test(T1.value) ){alert("日期格式不正確  日期格式為(YYYY/MM/DD) 例:2006/03/08 2006/11/11");T1.focus();return false;}  
 
}
 return true;
}
hideObject();
Make_Calendar(Selected_Year,Selected_Month);