//function to check the zip code
function IsZip(snum){
	var reZip = /^(\d{5})$/
    return reZip.test(snum)
}
//function to check whether the variable is empty
function isEmpty(s){
	
	
	return ((s == null) || (s.length == 0)|| (s.substr(0,1) == " "))
}
function IsInteger(snum){
   var reInteger=/^\d+$/ ;
   return reInteger.test(snum);
}



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;
   }
  
function validemail(emailStr)
{	
	var err=0;
	var emailPat=/^(.+)@(.+)$/;
	var specialChars="\\(\\)<>@,;:\\\\\\\"\\.\\[\\]";
	var validChars="\[^\\s" + specialChars + "\]";
	var quotedUser="(\"[^\"]*\")";
	var ipDomainPat=/^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/;
	var atom=validChars + '+';
	var word="(" + atom + "|" + quotedUser + ")";
	var userPat=new RegExp("^" + word + "(\\." + word + ")*$");
	var domainPat=new RegExp("^" + atom + "(\\." + atom +")*$");
	var matchArray=emailStr.match(emailPat);
	if (matchArray==null) {
		
		return false;
	}
	var user=matchArray[1];
	var domain=matchArray[2];
	if (user.match(userPat)==null) {
	  
	    return false;
	}
	var IPArray=domain.match(ipDomainPat);
	if (IPArray!=null) {
	  for (var i=1;i<=4;i++)
	  {
	    if (IPArray[i]>255)
	    {
		  
		   return false;
		}
	  }
	    return true;
	}
	var domainArray=domain.match(domainPat);
	if (domainArray==null) {
	
		return false;
	}
	var atomPat=new RegExp(atom,"g");
	var domArr=domain.match(atomPat);
	var len=domArr.length;
	if (domArr[domArr.length-1].length<2 ||  domArr[domArr.length-1].length>3) {
	
	   return false;
	}
	if (len<2) {
	   
	   return false;
	}
	return true;
}


/** This function is for validating a data
 * DHTML date validation script. Courtesy of SmartWebby.com (http://www.smartwebby.com/dhtml/)
 */
// Declaring valid date character, minimum year and maximum year
var dtCh= "/";


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,minYear,maxYear,label){
	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 for "+label)
		return false
	}
	if (strMonth.length<1 || month<1 || month>12){
		alert("Please enter a valid month for "+label)
		return false
	}
	if (strDay.length<1 || day<1 || day>31 || (month==2 && day>daysInFebruary(year)) || day > daysInMonth[month]){
		alert("Please enter a valid day for "+label)
		return false
	}
	if (strYear.length != 4 || year==0 || year<minYear || year>maxYear){
		alert("Please enter a valid 4 digit year for "+label+" between "+minYear+" and "+maxYear)
		return false
	}
	if (dtStr.indexOf(dtCh,pos2+1)!=-1 || isInteger(stripCharsInBag(dtStr, dtCh))==false){
		alert("Please enter a valid date for "+label)
		return false
	}
return true
}

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

function isURL(urlStr) {
if (urlStr.indexOf(" ") != -1) {
alert("Spaces are not allowed in a URL");
return false;
}

if (urlStr == "" || urlStr == null) {
return true;
}

urlStr=urlStr.toLowerCase();

var specialChars="\\(\\)><@,;:\\\\\\\"\\.\\[\\]";
var validChars="\[^\\s" + specialChars + "\]";
var atom=validChars + '+';
//var urlPat=/^http:\/\/(\w*)\.([\-\+a-z0-9]*)\.(\w*)/;  original line commented by M
var urlPat=/^http:\/\/(\w{3})\.([\-\+a-z0-9]*)\.(\w*)/;
var matchArray=urlStr.match(urlPat);

if (matchArray==null) {
//alert("The URL seems incorrect \ncheck it begins with http://\n and it has 2 .'s");
return false;
}

var user=matchArray[2];
var domain=matchArray[3];

for (i=0; i<user.length; i++) {
if (user.charCodeAt(i)>127) {
//alert("This domain contains invalid characters.");
return false;
}
}

for (i=0; i<domain.length; i++) {
if (domain.charCodeAt(i) > 127) {
//alert("This domain name contains invalid characters.");
return false;
}
}

var atomPat=new RegExp("^" + atom + "$");
var domArr=domain.split(".");
var len=domArr.length;

for (i=0;i<len;i++) {
if (domArr[i].search(atomPat) == -1) {
//alert("The domain name does not seem to be valid.");
return false;
}
}

return true;
} 


 function is_valid_text(data)
{
	
     reWhiteSpace = new RegExp(/\s/g);
     // Check for white space
     if (reWhiteSpace.test(data)) {          
          return false;
     }
         
   var iChars = "!@#$%^&*()+=[]\\\';,./{}|\":<>?~"; 
   for (var i = 0; i < data.length; i++) {
          if (iChars.indexOf(data.charAt(i)) != -1) {            
          return false;
          }
  }        
  return true;
}


function is_valid_prod_name(data)
{
	
             
   var iChars = "!@#$%^*+=[]\\\';,.{}|\":<>?~"; 
   for (var i = 0; i < data.length; i++) {
          if (iChars.indexOf(data.charAt(i)) != -1) {            
          return false;
          }
  }        
  return true;
}


function removeHTMLTags(inputcode){
 	
		var strInputCode =inputcode;
 			
 	 	strInputCode = strInputCode.replace(/&(lt|gt);/g, function (strMatch, p1){
 		 	return (p1 == "lt")? "<" : ">";
 		});
 		var strTagStrippedText = strInputCode.replace(/<\/?[^>]+(>|$)/g, "");
 			
		var newtext=strTagStrippedText.replace(/&nbsp;/g,' ');
		
		return newtext;
}

function checkDateNotInPast(chkdate){
					
	var cdate_arr = chkdate.split("-");
				
	cdate = cdate_arr[0]+"/"+cdate_arr[1]+"/"+cdate_arr[2] +" 00:00:00";  // mm-dd-yy
									
	var vDate = toTimestamp(cdate);
				
	//var today = new Date().getTime();
	var today = new Date();
				
	var month = today.getMonth() + 1;
	var day = today.getDate();
	var year = today.getFullYear();
				
	today = month+"/"+day+"/"+year+" 00:00:00";
				
	today = toTimestamp(today);
				
	if(vDate < today){
				
		return false;
	}
	else{
		return true;
	}
			
}


function toTimestamp(strDate){  var datum = Date.parse(strDate);  return datum/1000; }


function checkDateNotInFuture(chkdate){
					
	var cdate_arr = chkdate.split("-");
				
	cdate = cdate_arr[0]+"/"+cdate_arr[1]+"/"+cdate_arr[2] +" 00:00:00";  // mm-dd-yy
									
	var vDate = toTimestamp(cdate);
				
	//var today = new Date().getTime();
	var today = new Date();
	
	var month = today.getMonth() + 1;
	var day = today.getDate();
	var year = today.getFullYear();
				
	today = month+"/"+day+"/"+year+" 00:00:00";
				
	today = toTimestamp(today);
				
	if(vDate > today){
				
		return false;
	}
	else{
		return true;
	}
			
}
/*
Author : Hanayan
*/

function IsValidName(str){
	
	
		var nameExp = /^[a-zA-Z'-0-9 .\s]{1,40}$/;
	
		return nameExp.test(str);
}

function IsValidDesc(str){
	
		var descExp = /^[a-zA-Z0-9 ',:&;.\/\s%]{1,2000}$/;
	
		return descExp.test(str);
}
function IsValidAddrs(str){
	
		var descExp = /^[a-zA-Z0-9 ',:&#-;.\/\s%]{1,400}$/;
	
		return descExp.test(str);
}

function IsValidPhone(str){
	
		var phoneExp = /^[0-9-\s]{1,40}$/;
	
		return phoneExp.test(str);
}
function IsValidPincode(str){
	
		var phoneExp = /^[0-9-\s]{1,6}$/;
	
		return phoneExp.test(str);
}
function IsValidFloat(str){
		
		var floatExp = /^[-+]?[0-9]+(\.[0-9]+)?$/;
		
		return floatExp.test(str);
}

/*
Area : Hanayan ---- Ends
*/