/*Added By Gautam*/

//global date functions
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 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")
		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 isValidDate(cDate){
	var dt=cDate;
	if (isDate(dt.value)==false){
		dt.focus();
		return false;
	}
    return true
 }


function ValidateAllFormFields(){
	
	
	var numberForms = document.forms.length;
	
	
	Frm = document.forms[numberForms-1];
	
	var validateType = '';
	var params = '';
	
	for (var i=0; i<Frm.elements.length; i++) {						// Loops through all the form's elements		
		
		
		validateType = Frm.elements[i].getAttribute('alt');
		
		if (validateType != null){
		
			params = validateType.split("|");
			
			
			if (params[0] == "req") {		
				
				/*if (Frm.elements[i].type == "select-one" && Frm.elements[i].options[Frm.elements[i].selectedIndex].value == "0"){
					
					alert('The first "'+formatName(Frm.elements[i])+'" option is not a valid selection. Please choose one of the other options.');				
					Frm.elements[i].focus();
					return false;
					}*/
				if ((Frm.elements[i].type == "text" || Frm.elements[i].type == "textarea") && Frm.elements[i].value == ""){
					
					//alert ('"' + formatName(Frm.elements[i])+'" is a required field.');
					
					alert ('"' + params[3] +'" is a required field.');
					
					Frm.elements[i].focus();
					return false;
				}
				if (Frm.elements[i].type == "radio"){
					
					var radio = Frm.elements[Frm.elements[i].name];// get the whole set of radio buttons.
					var itemchecked = false;
					for(var j = 0 ; j < radio.length ; ++j) 
   					{
    					if(radio[j].checked) 
    					{
	 						itemchecked = true;
	 						break;
						}
   					}
 					
  					if (!itemchecked)
  					{
  						alert ('"' + formatName(Frm.elements[i])+'" is a required field.');
						Frm.elements[i].focus();
						return false;
    				}
    			
					
				}				
			}
			
			if (params[1] == "date" && Frm.elements[i].value != null && Frm.elements[i].value != "") {
				var dtObj = Frm.elements[i];
				if (!isValidDate(dtObj))
					return false;			
			}
			if (params[1] == "num" && Frm.elements[i].value != null && Frm.elements[i].value != "") {
				
				if (!IsNumeric(Frm.elements[i].value)){
					alert ('Please enter a valid number for "'+ params[3] + '"');
					Frm.elements[i].focus();
					return false;
					}
			}
			
			if (params[1] == "email" && Frm.elements[i].value != null && Frm.elements[i].value != "") {
				if (!validateEmail(Frm.elements[i]))
					return false;
				
			}
			
			if (params[1] == "dropdown")
			{	
				var dtObj = Frm.elements[i];
				
				if (dtObj.options[dtObj.selectedIndex].value == "---" || dtObj.options[dtObj.selectedIndex].value == "0")
				{
					//alert ('"' + formatName(Frm.elements[i])+'" is a required field.');
					alert ('"' + params[3] +'" is a required field.');
					Frm.elements[i].focus();
					return false;
				}
			}
			
					
			if (params[1] == "state" || params[1] == "degree") {
			
				var dtObj = Frm.elements[i];
				if (dtObj.options[dtObj.selectedIndex].value == "Other")
				{
					for (var j=0; j<Frm.elements.length; j++) {
						var myString1 = new String(Frm.elements[i].name);
						var myString2 = new String(Frm.elements[j].name);
						myString1 = myString1.replace(/cb_/g,"tb_");
						if (myString1 == myString2 && Frm.elements[j].value== '' )
						{						
								alert('Please enter the other State.')
								Frm.elements[j].focus();
								return false;
						}
					}
				}
			}
					
			if (params[2] != null && params[2] != '' && params[2] > 0) {
				var lenstr = params[2];
				if ((Frm.elements[i].type == "textarea" || Frm.elements[i].type == "text") && Frm.elements[i].value.length > lenstr){
					alert ('The field "' + formatName(Frm.elements[i]) + '" cannot be longer than '+lenstr+' characters.');
					Frm.elements[i].focus();
					return false;
				}				
			}
		
	
		}
		
	}		
	return true;
}

function isvalidNumber(formObj, type) {
	var objName = formatName(formObj);
	var num = formObj.value;
	if (isNaN(num)) {
		return false;
		}
	//num = (parseInt(type) == 1) ? parseFloat(num) : parseInt(num) ;
	return true;
	}

function IsNumeric(sText)
{
   var ValidChars = "0123456789.";
   var IsNumber=true;
   var Char;

 
   for (i = 0; i < sText.length && IsNumber == true; i++) 
      { 
      Char = sText.charAt(i); 
      if (ValidChars.indexOf(Char) == -1) 
         {
         IsNumber = false;
         }
      }
   return IsNumber;
   
   }

function formatName(o) {
	var wStr = (o.name) ? o.name : o.id;
	wStr = wStr.replace(/tb_/g,"");
	wStr = wStr.replace(/rd_/g,"");
	wStr = wStr.replace(/cb_/g,"");
	wStr = wStr.replace(/_/g," ");
	return wStr;
	}
	
function formatPhone(phone)
{ 
  var _return=false;
  /*
   * 7181238748 to (718)123-8748
   */ 
  num = phone.value;
  //alert(num);	
  if(num.length != 10)
  { 
    /* 
     * if user did not enter 10 digit phone number then simply print whatever user entered 
     */ 
	//_return=_OUTPUT?num:false;
	_return=num;
  } 
  else
  { 
    /* formating phone number here */ 
	_return="(";
	var ini = num.substring(0,3);
	_return+=ini+")";
	var st = num.substring(3,6);
	_return+=st+"-";
	var end = num.substring(6,10);
	_return+=end;
  }
  phone.value = _return 
}

function validateEmail(formObj)	{	
	var emailStr = formObj.value;
	var emailReg = "^[\\w-_\.]*[\\w-_\.]\@[\\w]\.+[\\w]+[\\w]$";
	
   var regex = new RegExp(emailReg);
   if(!regex.test(emailStr)){
   		alert("Please enter a valid email!")
   		formObj.focus();
   		return false
   	}
   	return true
}