/*
  $Id: Common.js,v 1.1 2003/07/09 01:11:06 hpdl Exp $

 
*/


function clearAll(field)
{
	
	for (i = 0; i < document.a.all(field.name).length; i++)
		document.a.all(field.name)[i].checked = false ; 	
		
	field.checked = true;

}

function toggleBox(szDivID) {
  if (document.layers) { // NN4+
    if (document.layers[szDivID].visibility == 'visible') {
      document.layers[szDivID].visibility = "hide";
      document.layers[szDivID].display = "none";
      document.layers[szDivID+"SD"].fontWeight = "normal";
    } else {
      document.layers[szDivID].visibility = "show";
      document.layers[szDivID].display = "inline";
      document.layers[szDivID+"SD"].fontWeight = "bold";
    }
  } else if (document.getElementById) { // gecko(NN6) + IE 5+
    var obj = document.getElementById(szDivID);
    var objSD = document.getElementById(szDivID+"SD");

    if (obj.style.visibility == 'visible') {
      obj.style.visibility = "hidden";
      obj.style.display = "none";
      objSD.style.fontWeight = "normal";
    } else {
      obj.style.visibility = "visible";
      obj.style.display = "inline";
      objSD.style.fontWeight = "bold";
    }
  } else if (document.all) { // IE 4
    if (document.all[szDivID].style.visibility == 'visible') {
      document.all[szDivID].style.visibility = "hidden";
      document.all[szDivID].style.display = "none";
      document.all[szDivID+"SD"].style.fontWeight = "normal";
    } else {
      document.all[szDivID].style.visibility = "visible";
      document.all[szDivID].style.display = "inline";
      document.all[szDivID+"SD"].style.fontWeight = "bold";
    }
  }
}

function changeStyle(what, how) {
  if (document.getElementById) {
    document.getElementById(what).style.fontWeight = how;
  } else if (document.all) {
    document.all[what].style.fontWeight = how;
  }
}

function changeText(where, what) {
  if (document.getElementById) {
    document.getElementById(where).innerHTML = what;
  } else if (document.all) {
    document.all[where].innerHTML = what;
  }
}



function isEMailAddressOK(emailStr)
{
// rk - don't do the check for aol eamil
if(emailStr.value.toLowerCase().indexOf("@aol.com") != -1){
return true;
}
pattern="^([a-zA-Z0-9_\\-\\.]+)@((\\[[0-9]{1,3}\\.[0-9]{1,3}\\.[0-9]{1,3}\\.)|(([a-zA-Z0-9\\-]+\\.)+))([a-zA-Z]{2,4}|[0-9]{1,3})(\\]?)$";
regExp = new RegExp(pattern, "g");
if(!regExp.test(emailStr.value)){
emailStr.focus();
return false
}
return true;
}


function IsNumeric(strString)
   //  check for valid numeric strings	
   {
   var strValidChars = "0123456789";
   var strChar;
   var blnResult = true;

   if (strString.length == 0) return false;

   //  test strString consists of valid characters listed above
   for (i = 0; i < strString.length && blnResult == true; i++)
      {
      strChar = strString.charAt(i);
      if (strValidChars.indexOf(strChar) == -1)
         {
         blnResult = false;
         }
      }
   return blnResult;
   }



var dtCh= "/";
var minYear=2005;
var maxYear=2020;

function isInteger2(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 isCardval(s) {
		// remove non-numerics
		var v = "0123456789";
		var w = "";
		for (i=0; i < s.length; i++) {
		x = s.charAt(i);
		if (v.indexOf(x,0) != -1)
		w += x;
		}
		// validate number
		j = w.length / 2;
		if (j < 6.5 || j > 8 || j == 7) return false;
		k = Math.floor(j);
		m = Math.ceil(j) - k;
		c = 0;
		for (i=0; i<k; i++) {
		a = w.charAt(i*2+m) * 2;
		c += a > 9 ? Math.floor(a/10 + a%10) : a;
		}
		for (i=0; i<k+m; i++) c += w.charAt(i*2+1-m) * 1;
		return true;
}

function closeWindows() {
		self.close();
}