// JavaScript Document
var dtCh= "-";
var minYear=2008;
var maxYear=2100;

function isInteger(s){
	var i;
    for (i = 0; i < s.length; i++){   
        // Check that current character is number.
        var c = s.charAt(i);
        if (((c < "0") || (c > "9"))) return false;
    }
    // All characters are numbers.
    return true;
}

function stripCharsInBag(s, bag){
	var i;
    var returnString = "";
    // Search through string's characters one by one.
    // If character is not in bag, append to returnString.
    for (i = 0; i < s.length; i++){   
        var c = s.charAt(i);
        if (bag.indexOf(c) == -1) returnString += c;
    }
    return returnString;
}

function daysInFebruary (year){
	// February has 29 days in any year evenly divisible by four,
    // EXCEPT for centurial years which are not also divisible by 400.
    return (((year % 4 == 0) && ( (!(year % 100 == 0)) || (year % 400 == 0))) ? 29 : 28 );
}
function DaysArray(n) {
	for (var i = 1; i <= n; i++) {
		this[i] = 31
		if (i==4 || i==6 || i==9 || i==11) {this[i] = 30}
		if (i==2) {this[i] = 29}
   } 
   return this
}

function isDate(dtStr){
	var daysInMonth = DaysArray(12)
	var pos1=dtStr.indexOf(dtCh)
	var pos2=dtStr.indexOf(dtCh,pos1+1)
	var strDay=dtStr.substring(0,pos1)
	var strMonth=dtStr.substring(pos1+1,pos2)
	var strYear=dtStr.substring(pos2+1)
	strYr=strYear
	if (strDay.charAt(0)=="0" && strDay.length>1) strDay=strDay.substring(1)
	if (strMonth.charAt(0)=="0" && strMonth.length>1) strMonth=strMonth.substring(1)
	for (var i = 1; i <= 3; i++) {
		if (strYr.charAt(0)=="0" && strYr.length>1) strYr=strYr.substring(1)
	}
	month=parseInt(strMonth)
	day=parseInt(strDay)
	year=parseInt(strYr)
	if (pos1==-1 || pos2==-1){
		alert("Format tanggal seharusnya : dd-mm-yyyy \n eg: 31-12-2008")
		return false
	}
	if (strMonth.length < 1 || month<1 || month>12){
		alert("Format bulan anda salah \ngunakan digit angka antara 1 dan 12")
		return false
	}
	if (strDay.length < 1 || day<1 || day>31 || (month==2 && day>daysInFebruary(year)) || day > daysInMonth[month]){
		alert("Format hari anda salah \ngunakan digit angka antara 1 dan 31")
		return false
	}
	if (strYear.length != 4 || year==0 || year<minYear || year>maxYear){
		alert("Silahkan masukan format tahun 4 angka \nantara "+minYear+" dan "+maxYear)
		return false
	}
	if (dtStr.indexOf(dtCh,pos2+1)!=-1 || isInteger(stripCharsInBag(dtStr, dtCh))==false){
		alert("Silahkan masukan data tanggal yang valid")
		return false
	}
return true
}

function checkdate(filed){
//	var dt=document.frmSample.txtDate
//	var dt=filed;
	if (isDate(filed.value)==false){
		filed.focus()
		return false
	}
    return true
 }
 
 function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}
//---------start time
function checktime(time2){
	re = /^(\d{1,2}):(\d{2})([ap]m)?$/;

   if(time2.value != '') {
      if(regs = time2.value.match(re)) {
        if(regs[3]) {
          if(regs[1] < 1 || regs[1] > 12) {
            alert("Nilai pada jam salah: " + regs[1]);
            time2.focus();
            return false;
          }
        } else {
          if(regs[1] > 23) {
            alert("Nilai pada jam salah: " + regs[1]);
            time2.focus();
            return false;      
          }
        }
        if(regs[2] > 59) {
          alert("Nilai pada menit salah: " + regs[2]);
          time2.focus();
          return false;      
        }
      } else {
        alert("Format jam anda salah: " + time2.value +"\nSilahkan masukan nilai jam \nmenggunakan format hh:mm \neg: 23:40");
        time2.focus();
        return false;
      }
    }
}

function checktime1(time1){
//	var dt=document.frmSample.txtDate
//	var dt=filed;
	if (checktime(time1)==false){
//		time1.focus();
		return false;
	}
    return true;
 }
//------------------end time

function MM_validateForm() { //v4.0
  var i,p,q,nm,test,num,min,max,errors='',args=MM_validateForm.arguments;
  for (i=0; i<(args.length-2); i+=3) { test=args[i+2]; val=MM_findObj(args[i]);
    if (val) { nm=val.name; if ((val=val.value)!="") {
      if (test.indexOf('isEmail')!=-1) { p=val.indexOf('@');
        if (p<1 || p==(val.length-1)) errors+='- '+nm+' alamat email tidak valid.\n';
      } else if (test!='R') { num = parseFloat(val);
        if (isNaN(val)) errors+='- '+nm+' must contain a number.\n';
        if (test.indexOf('inRange') != -1) { p=test.indexOf(':');
          min=test.substring(8,p); max=test.substring(p+1);
          if (num<min || max<num) errors+='- '+nm+' must contain a number between '+min+' and '+max+'.\n';
    } } } else if (test.charAt(0) == 'R') errors += '- '+nm+' harap dilengkapi. \n'; }
  } 
  if (errors) alert('Kolom isian berikut ini harap di lengkapi:\n'+errors);
  document.MM_returnValue = (errors == '');
  if (document.MM_returnValue==true){
	  document.MM_returnValue = checkdate(document.frmqt.tgl_awal_pemakaian);
  }
    if (document.MM_returnValue==true){
	  document.MM_returnValue = checkdate(document.frmqt.tgl_akhir_pemakaian);
  }
    if (document.MM_returnValue==true){
	  document.MM_returnValue = checktime1(document.frmqt.mulai_jam);
  }
    if (document.MM_returnValue==true){
	  document.MM_returnValue = checktime1(document.frmqt.berakhir_jam);
  }

//  document.write(document.MM_returnValue);
}

function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}