function enforcechar(what,limit){
if (what.value.length>=limit)
return false
}

//xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx Begin Email Address Validation xxxxxxxxxxxxxxxxxxx
// Props to http://www.madirish.net/tech.php?article=132&section=1

function emailCheck(elm) {
var tlds = ".ac .ad .ae .af .ag .ai .al .am .an .ao .aq .ar .as .at .au .aw .ax .az .ba .bb .bd .be .bf .bg .bh .bi .bj .bm .bn .bo .br .bs .bt .bu .bv .bw .by .bz .ca .cc .cd .cf .cg .ch .ci .ck .cl .cm .cn .co .cr .cs .cu .cv .cx .cy .cz .dd .de .dj .dk .dm .do .dz .ec .ee .eg .eh .er .es .et .eu .fi .fj .fk .fm .fo .fr .ga .gb .gd .ge .gf .gg .gh .gi .gl .gm .gn .gp .gq .gr .gs .gt .gu .gw .gy .hk .hm .hn .hr .ht .hu .id .ie .il .im .in .io .iq .ir .is .it .je .jm .jo .jp .ke .kg .kh .ki .km .kn .kp .kr .kw .ky .kz .la .lb .lc .li .lk .lr .ls .lt .lu .lv .ly .ma .mc .md .mg .mh .mk .ml .mm .mn .mo .mp .mq .mr .ms .mt .mu .mv .mw .mx .my .mz .na .nc .ne .nf .ng .ni .nl .no .np .nr .nu .nz .om .pa .pe .pf .pg .ph .pk .pl .pm .pn .pr .ps .pt .pw .py .qa .re .ro .ru .rw .sa .sb .sc .sd .se .sg .sh .si .sj .sk .sl .sm .sn .so .sr .st .su .sv .sy .sz .tc .td .tf .tg .th .tj .tk .tl .tm .tn .to .tp .tr .tt .tv .tw .tz .ua .ug .uk .um .us .uy .uz .va .vc .ve .vg .vi .vn .vu .wf .ws .ye .yt .yu .za .zm .zr .zw .com .net .org .mil .gov .edu .nato .info .int .name .biz .museum .pro";
var myRegex = new RegExp("^[A-Za-z0-9\.\-_]+@[A-Za-z0-9\.\-_]+\.[A-Za-z]+$")
var endofString = elm.value.split('.');
var ending = endofString.length - 1;
var tld = endofString[ending];
	if (! elm.value.match(myRegex))
	{alert('Email address is incorrect or missing. Please make sure it follows this example and contains no spaces: john.doe@yahoo.com');
	 elm.focus();
	 return false;
	}
	else if (tlds.search(tld) < 0)
	{
	alert('Email address is incorrect or missing. Please make sure it follows this example and contains no spaces: john.doe@yahoo.com');
	 elm.focus();
	 return false;
	}
	else
	{return true;}
}
//xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx End Email Address Validation xxxxxxxxxxxxxxxxxxx

// 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){
	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("Please enter a valid date in this format: 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 isValidateDate(elm){
	//var dt=elm.value
	if (isDate(elm.value)==false){
		//dt.focus()
		return false
	}
    return true
 }

var accept_radio_selection="";
function isAcceptRadioButtonFilled() {
if (accept_radio_selection=="")
return false;
else return true;
}

var reInt=/^\d+$/;
var reSignedInt=/^(\+|-)?\d+$/;
var reFloat=/^\d+(\.\d+)?$/;
var reSignedFloat=/^(\+|-)?\d+(\.\d+)?$/;
var reChar=/^[\w\-]+$/;
var reEMail=/^\w[\w\-\.]+\@\w[\w\-]+(\.[\w\-]+)+$/;
var reIP=/^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}$/;
var rePostalCA=/^(\w\d){3}$/;

function rpChar(f) {
  var df=f;

  df=df.replace(/\\/g, '\\\\');
  df=df.replace(/\//g, '\\\/');
  df=df.replace(/\[/g, '\\\[');
  df=df.replace(/\]/g, '\\\]');
  df=df.replace(/\(/g, '\\\(');
  df=df.replace(/\)/g, '\\\)');
  df=df.replace(/\{/g, '\\\{');
  df=df.replace(/\}/g, '\\\}');
  df=df.replace(/\</g, '\\\<');
  df=df.replace(/\>/g, '\\\>');
  df=df.replace(/\|/g, '\\\|');
  df=df.replace(/\*/g, '\\\*');
  df=df.replace(/\?/g, '\\\?');
  df=df.replace(/\+/g, '\\\+');
  df=df.replace(/\^/g, '\\\^');
  df=df.replace(/\$/g, '\\\$');

  return df;
}

function rePhone(f) {
  var df=rpChar(f);

  df=df.replace(/d/gi, '\\d');
  df=df.replace(/w/gi, '(\\w|\\d)');

  return new RegExp('^'+df+'$');
}

function reDate(f) {
  var df=rpChar(f);

  df=df.replace(/dd/gi, '\\d\\d');
  df=df.replace(/mm/gi, '\\d\\d');
  df=df.replace(/yyyy/gi, '\\d\\d\\d\\d');

  return new RegExp('^'+df+'$');
}

function reCharNM(n,m) {
  return new RegExp("\^[\\w\\-]{"+n+","+m+"}\$");
}

function reNumberN(n,mode) {
  return new RegExp("\^"+(mode!=0?"(\\+\|-)?":"")+"\\d{1,"+n+"}\$");
}

function reNumberN2(n,mode) {
  return new RegExp("\^"+(mode!=0?"(\\+\|-)?":"")+"\\d{"+n+"}\$");
}

function reNumberNM(n,m,mode) {
  return new RegExp("\^"+(mode!=0?"(\\+\|-)?":"")+"\\d{1,"+n+"}(\\.\\d{1,"+m+"})?\$");
}

function reNumberNM2(n,m,mode) {
  return new RegExp("\^"+(mode!=0?"(\\+\|-)?":"")+"\\d{"+n+"}\\.\\d{"+m+"}\$");
}

function _checkIt(re, field, msg) {
  if (!re.test(field.value)) {
    alert(msg);

    field.select();
    field.focus();

    return false;
  }

  return true;
}

function goodCharLen(n, m, field, msg) {
  return _checkIt(reCharNM(n,m), field, msg);
}

function goodPhone(pf, field, msg) {
  return _checkIt(rePhone(pf), field, msg);
}

function goodInt(field, msg) {
  return _checkIt(reInt, field, msg);
}

function goodIntLen(n, field, msg) {
  return _checkIt(reNumberN(n,0), field, msg);
}

function goodIntLen2(n, field, msg) {
  return _checkIt(reNumberN2(n,0), field, msg);
}

function goodFloatLen(n, m, field, msg) {
  return _checkIt(reNumberNM(n,m,0), field, msg);
}

function rangeInt(field, r1, r2, msg) {
  if (goodInt(field, msg)) {
			if (field.value>=r1 && field.value<=r2) {
				return true;
		  	}
		  	else {
				alert(msg);
				field.select();
				field.focus();
				return false;
		  	}
  }

  return false;
}

function rangeIntLen2(n, field, r1, r2, msg) {
  if (goodIntLen2(n, field, msg)) {
			if (field.value>=r1 && field.value<=r2) {
				return true;
		  	}
		  	else {
				alert(msg);
				field.select();
				field.focus();
				return false;
		  	}
  }

  return false;
}

function rangeFloatLen(n, m, field, r1, r2, msg) {
  if (goodFloatLen(n, m, field, msg)) {
			if (field.value>=r1 && field.value<=r2) {
				return true;
		  	}
		  	else {
				alert(msg);
				field.select();
				field.focus();
				return false;
		  	}
  }

  return false;
}

function countChars(field, countfield, maxlimit) {
	if (field.value.length > maxlimit) {
		field.value = field.value.substring(0, maxlimit);
	}
	else {
		countfield.value = maxlimit - field.value.length;
	}
} 

function isFilled(elm) {
if (elm.value == ""||
    elm.value == null)
return false;
else return true;
}