/* The following function was obtained from http://www.codetoad.com/javascript/isnumeric.asp */
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;
}

/** 05/26/05 - SDW - Original based on IsNumeric() **/
function IsInt(sText)
{
  var ValidChars = "0123456789";
  var IsInt=true;
  var Char;

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

/*********************************************************************
** Remove all non-integer characters from the control.
** If no valid characters are in the control the control's value is 
** set to 0.
** 
** 05/26/05 - SDW - Original based on IsNumeric() 
**********************************************************************/
function forceToInt(ctl) {
  var ValidChars = "0123456789";
  var strIn, strOut;
  var Char;

  strOut = "";
  strIn = ctl.value;
  for (idx = 0; idx < strIn.length; idx++){ 
    Char = strIn.charAt(idx); 
    if (ValidChars.indexOf(Char) > -1){
      strOut = strOut + Char;
    }
  }

  if (strOut.length == 0){
    strOut = "0";
  }
  
  ctl.value = strOut;
}

/**
 * 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=1950;
var maxYear=2010;

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 ValidateForm(){
	var dt=document.frmSample.txtDate
	if (isDate(dt.value)==false){
		dt.focus()
		return false
	}
    return true
 }

  //************************************************************************************************
  function StateZip_Show(strSet){
    //** 08/18/05 - SDW - Added strClassNm2
    //** 09/09/05 - SDW - Moved routine from CustAddEdit.aspx.  Added code to support
    //**   PymtCC.aspx as well as CustAddEdit.aspx.
    var strClassNm, strClassNm2;
    var ddlCntryCd, ddlStateCd, txtAddr;

    if (strSet=='BillTo') {
      ddlCntryCd = document.Form1.cboUSCBillToCntryCd;
      ddlStateCd = document.Form1.cboUSCBillToStateCd;
      txtAddr = document.Form1.txtUSCBillToAddr;
//** 09/09/05 - SDW - Replaced following 
//    } else {
//      ddl = document.Form1.cboUSCShipToCntryCd;
    } else {
      if (strSet=='ShipTo') {
        ddlCntryCd = document.Form1.cboUSCShipToCntryCd;
        ddlStateCd = document.Form1.cboUSCShipToStateCd;
        txtAddr = document.Form1.txtUSCShipToAddr;
      } else {
        //** PymtCC.aspx
        ddlCntryCd = document.Form1.ddlCntryCd;
        ddlStateCd = document.Form1.ddlStateCd;
        txtAddr = document.Form1.txtAddr;
      }
    }
    
    // strClassNm = document.getElementById('txtUSC' + strSet + 'Addr').className; 
    strClassNm = txtAddr.className; 
    strClassNm2 = "visibilityHidden";

    if (ddlCntryCd.options[ddlCntryCd.selectedIndex].value == 'US' || 
        ddlCntryCd.options[ddlCntryCd.selectedIndex].value == 'CA' ||
        ddlCntryCd.options[ddlCntryCd.selectedIndex].value == 'PR' ){
      document.getElementById('div' + strSet + 'City').className = strClassNm2;
      document.getElementById('div' + strSet + 'StateZip').className = strClassNm;
      // document.getElementById('cboUSC' + strSet + 'StateCd').className = strClassNm;
      ddlStateCd.className = strClassNm;
    } else {
      document.getElementById('div' + strSet + 'City').className = strClassNm;
      document.getElementById('div' + strSet + 'StateZip').className = strClassNm2;
      // document.getElementById('cboUSC' + strSet + 'StateCd').className = strClassNm2;
      // document.getElementById('cboUSC' + strSet + 'StateCd').value = "";
      ddlStateCd.className = strClassNm2;
      ddlStateCd.value = "";
    }
  }

/* limit text in textarea or text fields*/
/* http://www.mediacollege.com/internet/javascript/form/limit-characters.html */
function limitText(limitField, limitCount, limitNum) {
	if (limitField.value.length > limitNum) {
		limitField.value = limitField.value.substring(0, limitNum);
	} else {
		limitCount.value = limitNum - limitField.value.length;
	}
}