//
//
//
// function validateDate(input){
//
//  try{
//     var date = input.value;
//     if(date.length == 0){
//        return;
//     }
//  var atefields = date.split("/");
//
//  }catch(err){
//      dateAlert(input);
//  }
// }
//
//
//
  function dateAlert(input){
      alert("Date Format dd/mm/yyyy eg 23/11/2002");
      input.focus();
  }
//
//
//
 function validateTime(input){

  try{
     var time = input.value;
     if(time.length == 0){
        return;
     }
     var colonIdx =  time.indexOf(":");

     if(time.length != 5 ||  colonIdx != 2){
        timeAlert(input);
        return;
     }
     var hourStr = time.substring(0, colonIdx);
     var minsStr = time.substring(colonIdx + 1);
     if(!isInteger(hourStr)){
       timeAlert(input);
       return;
     }
     if(!isInteger(minsStr)){
       timeAlert(input);
       return;
     }
     var hour = parseInt(hourStr);
     var mins = parseInt(minsStr);
     if(hour < 0 || hour > 23){
          timeAlert(input);
          return;
     }
     if(mins < 0 || mins > 59){
          timeAlert(input);
          return;
     }
  }catch(err){
      timeAlert(input);
      return;
  }
 }
//
//
//
 function timeAlert(input){

      alert("Time Format HH:mm eg 13:45");
      input.focus();
 }
//
//
//
 function validateNotNull(input){

      return input.value.length > 0;
 }
//
//
//
 function isInteger(inputVal){

     inputStr = inputVal.toString();
     for(var i = 0; i < inputStr.length; i++){
       var oneChar = inputStr.charAt(i);
       if(i == 0 && oneChar == "-"){
          continue;
       }
       if(oneChar < "0" || oneChar > "9"){
          return false
       }
     }
   return true;
 }
//
//
//
 function isFloat(inputVal){

     inputStr = inputVal.toString();
     for(var i = 0; i < inputStr.length; i++){
       var oneChar = inputStr.charAt(i);
       if(i == 0 && oneChar == "-"){
          continue;
       }
       if(oneChar < "0" || oneChar > "9"){
         if(oneChar != "."){
          return false
         }
       }
     }
   return true;
 }
//
//
//
 function validateInteger(input){

     if(input != null ){
        if(!isInteger(input.value)){
            alert('An Number is Required');
            input.focus();
        }
     }
 }
//
//
//
 function validateFloat(input){

     if(input != null ){
        if(!isFloat(input.value)){
            alert('An Number is Required');
            input.focus();
        }
     }
 }
//
//
//
 function validatelength(input, len){

     if(input != null ){
        if(input.value.length > len){
            alert('Field must have ' + len + ' characters or less (' + input.value.length + ')');
            input.focus();
        }
     }
 }
//
//
//
/**
 * DHTML date validation script for dd/mm/yyyy. Courtesy of SmartWebby.com (http://www.smartwebby.com/dhtml/)
 */
// Declaring valid date character, minimum year and maximum year
var dtCh= "/";
var minYear=1900;
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("The date format should be : dd/mm/yyyy")
		return false
	}
	if (strMonth.length<1 || month<1 || month>12){
		alert("Please enter a valid month")
		return false
	}
	if (strDay.length<1 || day<1 || day>31 || (month==2 && day>daysInFebruary(year)) || day > daysInMonth[month]){
		alert("Please enter a valid day")
		return false
	}
	if (strYear.length != 4 || year==0 || year<minYear || year>maxYear){
		alert("Please enter a valid 4 digit year between "+minYear+" and "+maxYear)
		return false
	}
	if (dtStr.indexOf(dtCh,pos2+1)!=-1 || isInteger(stripCharsInBag(dtStr, dtCh))==false){
		alert("Please enter a valid date")
		return false
	}
return true
}

function ValidateDate(textinput){

    if(textinput.value == null || textinput.value == ""){
      return true;
    }
    if (isDate(textinput.value)==false){
            textinput.focus()
            return false
    }
    return true
 }

//
//
//