// 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,objName){
				var daysInMonth = DaysArray(12)
				var pos1=dtStr.indexOf(dtCh)
				var pos2=dtStr.indexOf(dtCh,pos1+1)
				var strMonth=dtStr.substring(0,pos1)
				var strDay=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 : mm/dd/yyyy for "+ objName);
					alert("Please enter date in the format mm/dd/yyyy for "+ objName);
					return false
				}
				if (strMonth.length<1 || month<1 || month>12){
					alert("Please enter a valid month for "+objName)
					return false
				}
				if (strDay.length<1 || day<1 || day>31 || (month==2 && day>daysInFebruary(year)) || day > daysInMonth[month]){
					alert("Please enter a valid day for "+objName)
					return false
				}
				if (strYear.length != 4 || year==0 || year<minYear || year>maxYear){
					alert("Please enter a valid 4 digit year between "+minYear+" and "+maxYear + " for "+objName);
					return false
				}
				if (dtStr.indexOf(dtCh,pos2+1)!=-1 || isInteger(stripCharsInBag(dtStr, dtCh))==false){
					alert("Please enter a valid date for "+objName)
					return false
				}
				return true
			}