// whitespace characters
      var whitespace = " \t\n\r";

      /****************************************************************/

      // Check whether string s is empty.
      function isEmpty(s)
      { return ((s == null) || (s.length == 0)) }

      /****************************************************************/

      function isWhitespace (s)
      {
           var i;

           // Is s empty?
           if (isEmpty(s)) return true;

           // Search through string's characters one by one
           // until we find a non-whitespace character.
           // When we do, return false; if we don't, return true.

           for (i = 0; i < s.length; i++)
           {
                // Check that current character isn't whitespace.
                var c = s.charAt(i);

                if (whitespace.indexOf(c) == -1) return false;
           }

           // All characters are whitespace.
           return true;
      }

      /****************************************************************/

      function ForceEntry(val, str) {
         
		  var strInput = new String(val.value);

           if (isWhitespace(strInput)) {
                alert(str);
                val.focus();
                return false;
           } 		   
		   else
                return true;

      }
  /****************************************************************/

      function numericEntry(val, str) {
           var strInput = new String(val.value);

           if (isWhitespace(strInput)) {
                alert(str);
                val.focus();
                return false;
           } 	
	   if (isNaN(strInput)) {
                alert(str);
                val.focus();
                return false;
           } 		   
		   else
                return true;

      }

      /****************************************************************/

      function ValidateRanking() {
           // This function ensures document.forms[0].nRanking.value >=1 && <= 10

           if (parseInt(document.forms[0].nRanking.value) >= 1 && parseInt(document.forms[0].nRanking.value) <=10)
                return true;
           else
                return false;
      }

      /****************************************************************/

      function ValidateData() {
           var CanSubmit = false;

           // Check to make sure that the full name field is not empty.
           CanSubmit = ForceEntry(document.forms[0].txtName,"You supply a full name.");

           // Check to make sure ranking is between 1 and 10
           if (CanSumbit) CanSubmit = ValidRanking();

           return CanSubmit;
      }
	
	function chkphone(val, str) {
           var strInput = new String(val.value);

           if (isNaN(strInput)) {
                alert(str);
                val.focus();
                return false;
           } 		   
		   else
                return true;

      }
	  
	  function chkemail(val,str){
		  var strInput=new String(val.value.indexOf("@" && ".") );
		  if (strInput==-1){
		  		alert(str);
				val.focus();
				return false;
				}
		  
		  
		  	else 
				return true;
	  }		  
	  
	  function chklist(val,str){
		  var strInput=new String(val.selectedIndex);
		  if (strInput==0){
		  		alert(str);
				val.focus();
				return false;
				}
		  
		  
		  	else 
				return true;
	  }		  




/**
 * DHTML date validation script. 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,strmsg){
	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")
		//alert(strmsg);
		return false
	}
	if (strMonth.length<1 || month<1 || month>12){
		//alert("Please enter a valid month")
		//alert(strmsg);
		return false
	}
	if (strDay.length<1 || day<1 || day>31 || (month==2 && day>daysInFebruary(year)) || day > daysInMonth[month]){
		//alert("Please enter a valid day")
		//alert(strmsg);
		return false
	}
	if (strYear.length != 4 || year==0 || year<minYear || year>maxYear){
		//alert("Please enter a valid 4 digit year between "+minYear+" and "+maxYear)
		//alert(strmsg);
		return false
	}
	if (dtStr.indexOf(dtCh,pos2+1)!=-1 || isInteger(stripCharsInBag(dtStr, dtCh))==false){
		//alert("Please enter a valid date")
		//alert(strmsg);
		return false
	}
return true
}

function ValidateDate(val,strmsg){
	var dt=val;
	if (dt.value !=""){
	//document.frmSample.txtDate
	if (isDate(dt.value)==false){
		alert(strmsg);
		dt.focus()
		return false
	}	
    else
	{
	return true
	}
	}
 }
/*function ValidateDate(val){
		  var strInput=new String(val.value);
		 if (isDate(strInput.value)==false){
		  		//alert(str);
				val.focus();
				return false;
				}
		  
		  
		  	else 
				return true;
	  }*/