function validateForm(thisfrm)
        {
            var strNm=thisfrm.babyname;
            var dob=thisfrm.bdate;

            if ((strNm.value==null)||(strNm.value==""))
         	{
    		    alert("Please Enter Name of your child");
	    	    strNm.focus();
		        return false;
	        }
        	var today=new Date();
            var date01 = today.getMonth()+1+"-"+today.getDate()+"-"+(today.getFullYear());
        	var date1 = date01.split("-");
        	var sDate = new Date(date1[0]+"/"+date1[1]+"/"+(date1[2]));
        	var mindate = new Date(date1[0]+"/"+date1[1]+"/"+(date1[2]-10));
      		var dueda= dob.value;
            var duda = dueda.substr(3,2)+"-"+dueda.substr(0,2)+"-"+dueda.substr(6,4);
      	 	var date2 = duda.split("-");
      	 	var eDate = new Date(date2[0]+"/"+date2[1]+"/"+date2[2]);
        	if(eDate<mindate)
        	{
        	alert("Register children only upto 10 years old")
        	dob.focus()
        	return false
        	}
        		if(eDate>sDate)
        	{
        	alert("Please choose valid date")
        	dob.focus()
        	return false
        	}

            if ((dob.value==null)||(dob.value==""))
            {
        		alert("Please enter Date of Birth of your child")
                dob.focus()
                return false
            }
            if (isDate(dob.value)==false)
            {
        		dob.value=""
                dob.focus()
                return false
            }
            return true;
        }

var dtCh= "-";
var minYear=1900;
var maxYear=2150;

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

        }