var isNN = (navigator.appName.indexOf("Netscape")!=-1);

function containsElement(arr, ele) 
{
	var found = false, index = 0;
	while(!found && index < arr.length)
        {
		if(arr[index] == ele)
			found = true;
		else
			index++;
	}
	return found;
}

function checkText(obj, req, len_min, len_max, base_type,specialChars, label)
 { return checkText(obj, req, len_min, len_max, base_type, specialChars, label, 0); }

function checkText(obj, req, len_min, len_max, base_type, specialChars, label, check_status)
 { 

   var ch = ""; 
   var i = 0; 
   var value;

   if (base_type != "PWD") obj.value = trim(obj.value);
   value=obj.value;

   if (!checkReq(obj, value, req, label, check_status))
      return false;

   if (value.length < len_min)
     { 
		
	    errorMsg = "Input value for " + label + " must be at least " + len_min + " characters.";
            return handleError(obj, errorMsg, check_status); 
        
     }
   if (value.length > len_max)
     { errorMsg = "Input value for " + label + " contains too many characters.  Only " + len_max + " characters may be entered";
       return handleError(obj,errorMsg, check_status);
     }
   if (base_type == "N" || base_type == "n")
     { return isValidNType(obj, value, specialChars, label, check_status); }
   else if (base_type == "AN")
     { return isValidANType(obj, value, specialChars, label, check_status); }
   else if (base_type == "X")
     { return true;}
   else if (base_type != "PWD" && base_type != "pwd")
     { errorMsg = "INTERNAL APPLICATION ERROR: " + label + " has invalid base_type " + base_type;
       return handleError(obj,errorMsg, check_status);
     }
   return true; 
 }



function isValidNType(obj,value, specialChars, label, check_status)
 { 
   for (i=0; i<value.length; i++)
   { ch = value.substring(i, i+1);
     if (!isNumChar(ch) && specialChars.indexOf(ch) < 0) { 
        if  (label == 'Account Number'){
		  errorMsg = "Account Number contains an invalid value: " +ch+". Account Number must be 13 digits.";
		  handleError(obj, errorMsg, check_status);
          return false;
        }
        else {
         errorMsg = label+ " field contains an invalid value: "+ ch +". The following characters are allowed: 0-9.";
         handleError(obj, errorMsg, check_status);
         return false;
       }
     }
   }
   return true; 
 }



function isValidANType(obj,value, specialChars, label, check_status)
 { if (specialChars == "" || specialChars == null)
    { for (i=0; i<value.length; i++)
       { ch = value.substring(i, i+1);
         if (!isAlphaNumChar(ch))
            { 
            errorMsg = label + " field contains an invalid value: " + ch + ". The following characters are allowed: a-z A-Z 0-9";
            handleError(obj,errorMsg, check_status);
            return false;
          }
       }
    }
   else
    { for (i=0; i<value.length; i++)
       { ch = value.substring(i, i+1);
         if (!isAlphaNumChar(ch) && specialChars.indexOf(ch) < 0)
            { errorMsg = label + " field contains an invalid value: " + ch + ". The following characters are allowed:\n a-z A-Z 0-9" + formatChars(specialChars) + "."; 
            handleError(obj,errorMsg, check_status);
            return false;
          }
       }
    }
   return true; 
  }

function checkEmail(obj, label, check_status)
 {
  if (obj.value != null && obj.value != "")
  {
    if (obj.value.indexOf('@') < 0 ||
        obj.value.indexOf('.') < 0   ) {
       errorMsg = label + " field is in an invalid format.  At least one period (.) and \"@\" sign is required.";
       return handleError(obj, errorMsg, check_status);
    }
  }
  return true;
}


function formatChars(charList)
{ var fmtStr=" ";
var c=0;
while (c<charList.length) {
if (charList.charAt(c)!=' ') fmtStr=fmtStr+charList.charAt(c)+" ";
else { fmtStr=fmtStr+"space ";}
c=c+1;
} return fmtStr; }

function trim(value)
 { var startPos;
   var endPos;
   var c=0;
   while (c<=value.length-1 && value.charAt(c)==' ')
     c++;
   startPos=c;
   c=value.length-1;
   while (c>=0 && value.charAt(c)==' ')
     c--;
   endPos=c+1;
   if (endPos<=startPos) value='';
   else value=value.substring(startPos,endPos);
   return value;
 }

function isNumChar(ch)
 {
   if (ch >= '0' && ch <= '9')
      return true;
   return false;
 }

function isAlphaChar(ch)
 {
   if ((ch >= 'a' && ch <= 'z') || (ch >= 'A' && ch <= 'Z'))
      return true;
   return false;
 }

function isAlphaNumChar(ch)
 {
   if (isNumChar(ch) || isAlphaChar(ch))
      return true;
   return false;
 }

function isLowerAlphaChar(ch)
 {
   if ((ch >= 'a' && ch <= 'z'))
      return true;
   return false;
 }

function isLowerAlphaNumChar(ch)
 {
   if (isNumChar(ch) || isLowerAlphaChar(ch))
      return true;
   return false;
 }

function handleError(obj, str, check_status)
 { if (errorField == null && check_status == 1 && obj != "") errorField=obj;
   if (check_status != 1) 
   {
     alert(str); 
   }
   else
   { if (totalErrorCount >= totalErrorLimit)
       return true;
      totalErrorCount++;
      errorMsgBuffer += "\n\n(" + totalErrorCount + ")  " + str; 
      if (totalErrorCount >= totalErrorLimit)
        { //errorMsgBuffer += "\n\n... too many errors ..."
          return true;
        }
   }
   return false;
 }

function checkReqValueOnly(obj, val, req, label)
{ 
	if (req == 1 && (obj.value == null || obj.value =="")) {
		if (val != "nofocusset") { 
			if (errorField == null) errorField=obj; 
		}
		return false;
	}
	return true;
}

function checkReq(obj, val, req, label, check_status)
 { 
   if (check_status == 1) {
     if (req == 1 && (obj.value == null || obj.value ==""  || obj.value ==" "))
     {
       

       if (missingFlds == "") 

         { 
   	    missingFlds = label; }
       else
         { missingFlds = missingFlds + ", " + label; }
       if (val != "nofocusset") 
         { if (errorField == null) errorField=obj; }

      
       return false;
     }
     return true;
   }
   else 
   {
     if (req == 1 && (val == null || val ==""))
       { errorMsg = "The " + label + " is required.  Please enter a value for this field.";
         handleError(obj, errorMsg, check_status);
         return false; 
       }
     if (req == 0 && (val == null || val ==""))
       { return false; } 
     return true;
   }
 }

function toDigits(str)
 {
   var ch = "";
   var junk = "";

   if (str != null && str != "")
     { for (i=0; i<str.length; i++)
         { ch = str.substring(i, i+1);
           if (ch >= '0' && ch <= '9')
             junk += ch;
         }
     }
   return junk;
 }


function checkSelect(obj, val, req, label, check_status)
 { 
   var i = 0;

   if ( req != 1)
   { return true; }

   if (! obj.options[0].selected)
   { return true; }
   else
   { 
     if (check_status == 1)
     {
       if (missingFlds == "") 
         { missingFlds = label; }
       else
         { missingFlds = missingFlds + ", " + label; }
       if (val != "nofocusset") 
         { if (errorField == null) errorField=obj; }
       return false;
     }
     else 
     {
       errorMsg = "The " + label + " field is required.  Please select a value from the list.";
       return handleError(obj, errorMsg, 1);
     }
   }
   return false;
 }

function checkCheckBox(obj, val, req, label, check_status)
 {
   var i = 0;

   if (obj.checked == true)
    { return true; }
   else
   { 
     if (check_status == 1)
     {

       if (missingFlds == "") 
         { missingFlds = label; }
       else
         { missingFlds = missingFlds + ", " + label; }
       if (val != "nofocusset") 
         { if (errorField == null) errorField=obj; }
         alert ('false');
       return false;
     }
     else 
     {
      errorMsg = "Please select the check box to indicate acceptance of the " + label + 
         " in order to proceed with the Registration process.";
       return handleError(obj, errorMsg, 1);
     }
   }
   return false;
 }