function isDate(dtStr){
	var dtCh= "/";
	var minYear=1900;
	var maxYear=2100;
	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){
		return false
	}
	if (strMonth.length<1 || month<1 || month>12){
		return false
	}
	if (strDay.length<1 || day<1 || day>31 || (month==2 && day>daysInFebruary(year)) || day > daysInMonth[month]){
		return false
	}
	if (strYear.length != 4 || year==0 || year<minYear || year>maxYear){
		return false
	}
	if (dtStr.indexOf(dtCh,pos2+1)!=-1 || isInteger(stripCharsInBag(dtStr, dtCh))==false){
		return false
	}
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 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 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 IsTime(datTime) 
{ 
	//time should come in as 99:99 
	var hh = datTime.substring(0, datTime.indexOf(".")); 
	var minute = datTime.substring(datTime.indexOf(".") + 1, datTime.length + 1); 
	if (datTime.length > 5 || minute.length < 2 || minute.length > 2 || hh.length < 1 || hh.length > 2) 
	{
		return false; 
	} else { 
		if (isPositiveInteger(hh)) 
		{ 
			hh = parseInt(hh, 10); 
			if (hh >= 0 && hh < 24) 
			{ 
				if (isPositiveInteger(minute)) 
				{ 
					minute = parseInt(minute, 10); 
					if (minute >= 0 && minute < 60) 
					{ 
						return true; 
					} 
				} 
			} 
		} 
	} 
	return false; 
}

function isPositiveInteger(inputVal) 
{ 
	var inputStr = inputVal.toString(); 
	for (var i = 0; i < inputStr.length; i++) 
	{ 
		var oneChar = inputStr.charAt(i); 
		if (oneChar < "0" || oneChar > "9") 
		{ 
			return false; 
		} 
	} 
return true; 
}

/*
function isFloat(inputVal, strDecimalDenoter) 
{ 
	var inputStr = inputVal.toString(); 
	var startingIndex; 
	var intDotCount = 0; 
	
	if (inputStr.charAt(0) == "-") 
	{ 
		startingIndex = 1; 
	} else { 
		startingIndex = 0; 
	} 
	for (var i = startingIndex; i < inputStr.length; i++) 
	{ 
		var oneChar = inputStr.charAt(i); 
		if ((oneChar < "0" || oneChar > "9") && (oneChar != strDecimalDenoter)) 
		{ 
			return false; 
		} else { 
			if (oneChar == strDecimalDenoter) 
			{ 
				intDotCount += 1; 
				if (intDotCount > 1) 
				{ 
					return false; 
				} 
			} 
		} 
	} 
return true; 
}
*/
