/*----------------Empty Validation--------------*/
 /*isEmpty('form1','txttext')
*/
var altMes;
	var altMes1;
var flag=true;

altMes="";
altMes1="";

function isEmpty(frm,mytext) {
	altMes1="";
		flag=true;
//alert(eval(frm+'.'+myArray1[0]).type);
var myArray=mytext.split(",");
var re = /^\s{1,}$/g; //match any white space including space, tab, form-feed, etc. 
var y;
altMes1="Please check the following fields"
for(x=0;x<myArray.length;x++){
var myArray1=myArray[x].split(" ");
if ((eval(frm+'.'+myArray1[0]+'.value.length')==0) || (eval(frm+'.'+myArray1[0]+'.value')==null) || ((eval(frm+'.'+myArray1[0]+'.value').search(re)) > -1)) {
altMes1 = altMes1+"\n"+myArray1[1];
flag=false;
}

}
if (flag==false){
	altMes+=altMes1+"\n----------------------------------------\n";
//alert(altMes);
return false;
}
}// JavaScript Document



/*----------------Special Char Validation--------------*/
 /*isValDate('form1','txttext')
*/

function isSpecial(frm,mytext) {
	altMes1="";
	var myArray=mytext.split(",");
	flag=true;
altMes1="\nFollowing fields has special characters. \n Please remove them and try again."
 var iChars = "!@#$%^&*()+=-[]\\\';,./{}|\":<>?";
  for (var x = 0; x < myArray.length; x++) {
var myArray1=myArray[x].split(" ");

 for (var i = 0; i < eval(frm+'.'+myArray1[0]+'.value.length'); i++) {
  	if (iChars.indexOf(eval(frm+'.'+myArray1[0]+'.value.charAt('+i+')')) != -1) {
	altMes1 = altMes1+"\n"+myArray1[1];
	flag=false;
	break;
  	}
	//if (flag==false) break;
  }
  //	if (flag==false) break;
  }
  if (flag==false){
	altMes+=altMes1+"\n----------------------------------------\n";
return false;
}
}






/*--------------------------Date Validation------------------*/
 /*isValDate('form1','txtdt')
*/
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,nme){
		altMes1="";
		flag=true;

	var daysInMonth = DaysArray(12)
	var pos1=dtStr.indexOf(dtCh)
	var pos2=dtStr.indexOf(dtCh,pos1+1)
	var strMonth=dtStr.substring(pos1+1,pos2)
	var strDay=dtStr.substring(0,pos1)
	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){
		altMes+="\nThe " + nme + " date format should be : dd/mm/yyyy\n----------------------------------------\n";
		return false
	}
	if (strMonth.length<1 || month<1 || month>12){
		altMes+="\nPlease enter a valid month for " + nme + " \n----------------------------------------\n";
		return false
	}
	if (strDay.length<1 || day<1 || day>31 || (month==2 && day>daysInFebruary(year)) || day > daysInMonth[month]){
		altMes+="\nPlease enter a valid day for " + nme + " \n----------------------------------------\n";
		return false
	}
	if (strYear.length != 4 || year==0 || year<minYear || year>maxYear){
		altMes+="\nPlease enter a valid 4 digit year between "+minYear+" and "+maxYear+" for " + nme + " \n----------------------------------------\n";
	return false
	}
	if (dtStr.indexOf(dtCh,pos2+1)!=-1 || isInteger(stripCharsInBag(dtStr, dtCh))==false){
		altMes+="\nPlease enter a valid date for " + nme + " \n----------------------------------------\n";
		return false
	}
return true
}

function isValDate(frm,dt,nme){
//var dt=new Object;
	var dt=eval(frm+'.'+dt+'.value');
	if (isDate(dt,nme)==false){
		//dt.focus()
		return false
	}
    return true
 }



 /*----------Email Validation -------------*/
 /*validateEmail('txtemail.value','mandatory','messages')
*/
 function validateEmail(frm,addr,man,db) {
	 	altMes1="";
		flag=true;

	// (eval(frm+'.'+addr+'.value
if (eval(frm+'.'+addr+'.value') == '' && man) {
   if (db) altMes+="\nemail address is mandatory\n----------------------------------------\n";
   return false;
}
if (eval(frm+'.'+addr+'.value') == '') return true;
var invalidChars = '\/\'\\ ";:?!()[]\{\}^|';
for (i=0; i<invalidChars.length; i++) {
   if (eval(frm+'.'+addr+'.value').indexOf(invalidChars.charAt(i),0) > -1) {
   if (db) altMes+="\nemail address contains invalid characters\n----------------------------------------\n";
      return false;
   }
}
for (i=0; i<eval(frm+'.'+addr+'.value').length; i++) {
   if (eval(frm+'.'+addr+'.value').charCodeAt(i)>127) {
   if (db) altMes+="\nemail address contains non ascii characters.\n----------------------------------------\n";
      return false;
   }
}

var atPos = eval(frm+'.'+addr+'.value').indexOf('@',0);
if (atPos == -1) {
   if (db) altMes+="\nemail address must contain an @.\n----------------------------------------\n";
   return false;
}
if (atPos == 0) {
   if (db) altMes+="\nemail address must not start with @.\n----------------------------------------\n";
   return false;
}
if (eval(frm+'.'+addr+'.value').indexOf('@', atPos + 1) > - 1) {
   if (db) altMes+="\nemail address must contain only one @.\n----------------------------------------\n";
   return false;
}
if (eval(frm+'.'+addr+'.value').indexOf('.', atPos) == -1) {
   if (db) altMes+="\nemail address must contain a period in the domain name.\n----------------------------------------\n";
   return false;
}
if (eval(frm+'.'+addr+'.value').indexOf('@.',0) != -1) {
   if (db) altMes+="\nperiod must not immediately follow @ in email address.\n----------------------------------------\n";
   return false;
}
if (eval(frm+'.'+addr+'.value').indexOf('.@',0) != -1){
   if (db) altMes+="\nperiod must not immediately precede @ in email address.\n----------------------------------------\n";
   return false;
}
if (eval(frm+'.'+addr+'.value').indexOf('..',0) != -1) {
   if (db) altMes+="\ntwo periods must not be adjacent in email address.\n----------------------------------------\n";
   return false;
}
var suffix = eval(frm+'.'+addr+'.value').substring(eval(frm+'.'+addr+'.value').lastIndexOf('.')+1);
if (suffix.length != 2 && suffix != 'com' && suffix != 'net' && suffix != 'org' && suffix != 'edu' && suffix != 'int' && suffix != 'mil' && suffix != 'gov' & suffix != 'arpa' && suffix != 'biz' && suffix != 'aero' && suffix != 'name' && suffix != 'coop' && suffix != 'info' && suffix != 'pro' && suffix != 'museum') {
   if (db) altMes+="\ninvalid primary domain in email address.\n----------------------------------------\n";
   return false;
}
return true;
}