//this function prevent to specel charactor.

function hasaddressCharaters(fieldValue)
{
	  var iChars = "!@#$%^&*()+=[]\\\;{}|\":<>";
	  var flag = false;
	  for (var i = 0; i < fieldValue.length; i++) {
	  	if (iChars.indexOf(fieldValue.charAt(i)) != -1) {
	  		flag = true;
	  		break;
	  	}
	  }
	  if(flag){
	  	return true;
	  }else{
	  	return false;
	  }
}


function hasSpecialCharaters(fieldValue)
{
	  var iChars = "!@#$%^&*()+=[]\\\';,/{}|\":<>";
	  var flag = false;
	  for (var i = 0; i < fieldValue.length; i++) {
	  	if (iChars.indexOf(fieldValue.charAt(i)) != -1) {
	  		flag = true;
	  		break;
	  	}
	  }
	  if(flag){
	  	return true;
	  }else{
	  	return false;
	  }
}


function hasphoneCharaters(fieldValue)
{
	  var iChars = "!@#$%^&*=[]\\\';,/{}|\":<>._";
	  var flag = false;
	  for (var i = 0; i < fieldValue.length; i++) {
	  	if (iChars.indexOf(fieldValue.charAt(i)) != -1) {
	  		flag = true;
	  		break;
	  	}
	  }
	  if(flag){
	  	return true;
	  }else{
	  	return false;
	  }
}

function haspinCharaters(fieldValue)
{
	  var iChars = "!@#$%^&*()+=[]\\\';,/{}|\":._<>";
	  var flag = false;
	  for (var i = 0; i < fieldValue.length; i++) {
	  	if (iChars.indexOf(fieldValue.charAt(i)) != -1) {
	  		flag = true;
	  		break;
	  	}
	  }
	  if(flag){
	  	return true;
	  }else{
	  	return false;
	  }
}


String.prototype.trim = function()
{
a = this.replace(/^\s+/, '');
return a.replace(/\s+$/, '');
}

function alphanumeric(alphane)
{
 var numaric = alphane;
 for(var j=0; j<numaric.length; j++)
  {
    var alphaa = numaric.charAt(j);
    var hh = alphaa.charCodeAt(0);
    if((hh > 47 && hh<59) || (hh > 64 && hh<91) || (hh > 96 && hh<123))
    {
    }
  else {
    return false;
    }
  }
 return true;
}

	
// function check for numeric values
	
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 check for alphabets only

function isAlpha(string)
{
	var strValidChars = "abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ";
	var blnResult = true;
	strString = string;
	
	for (i = 0; i < strString.length && blnResult == true; i++)
	{
		strChar = strString.charAt(i);
		if (strValidChars.indexOf(strChar) == -1)
		{
			blnResult = false;
		}
	}
	if (blnResult == false)
	{
		alert ("Invalid format!\nPlease Enter alphabets only!");
		document.frm.fname.value = "";
		document.frm.fname.focus(); 
		return false;
	}
}

//function for select all 
function selectAll(theElement) 
{
     var theForm = theElement.form, z = 0;
	 for(z=0; z<theForm.length;z++)
	 {
     	if(theForm[z].type == 'checkbox' && theForm[z].name != 'checkall')
     	{
	 		theForm[z].checked = theElement.checked;
	  	}
     }
}

// function for delete confirmation
function askforremoval(thetype)
{
	if(confirm("Are you sure you would like to delete this "+thetype+" ?")) 
		return true;
	else 
		return false;
}
ie = (document.all) ? 1 : 0;
n = !ie;
function Go(){
document.onkeypress = keyDown;

if (n) {
    document.captureEvents(Event.KEYPRESS);
	  }
}

function keyDown(e) {
var keycode;
if (window.event) keycode = window.event.keyCode;
else if (e) keycode = e.which;
else return true;
if (keycode==60 || keycode==62)
    {
        alert("This key is blocked for this application");
    	return false;
    }

}



function openWindow(cUrl,cName,cFeatures)
{
	var xWin = window.open(cUrl,cName,cFeatures)
}



function Trim(s) 
{
  // Remove leading spaces and carriage returns
  
  while ((s.substring(0,1) == ' ') || (s.substring(0,1) == '\n') || (s.substring(0,1) == '\r'))
  {
    s = s.substring(1,s.length);
  }

  // Remove trailing spaces and carriage returns

  while ((s.substring(s.length-1,s.length) == ' ') || (s.substring(s.length-1,s.length) == '\n') || (s.substring(s.length-1,s.length) == '\r'))
  {
    s = s.substring(0,s.length-1);
  }
  return s;
}

function expandMenu(menu,sign)
{
	var menu1 = document.getElementById(menu);
	var sign = document.getElementById(sign);
	
	if(menu1.style.visibility == 'visible')
	{
	sign.innerHTML = "+";
	menu1.style.position = 'absolute';
	menu1.style.visibility = 'hidden';
	}
	else
	{
	sign.innerHTML = "-";
	menu1.style.position = 'relative';
	menu1.style.visibility = 'visible';
	}
}


<!-- Begin email validation 
function emailCheck (emailStr) {
 
/* The following variable tells the rest of the function whether or not
to verify that the address ends in a two-letter country or well-known
TLD.  1 means check it, 0 means don't. */
 
var checkTLD=1;
 
/* The following is the list of known TLDs that an e-mail address must end with. */
 
var knownDomsPat=/^(com|net|org|edu|int|mil|gov|arpa|biz|aero|name|coop|info|pro|museum)$/;
 
/* The following pattern is used to check if the entered e-mail address
fits the user@domain format.  It also is used to separate the username
from the domain. */
 
var emailPat=/^(.+)@(.+)$/;
 
/* The following string represents the pattern for matching all special
characters.  We don't want to allow special characters in the address. 
These characters include ( ) < > @ , ; : \ " . [ ] */
 
var specialChars="\\(\\)><@,;:\\\\\\\"\\.\\[\\]\\'";
 
/* The following string represents the range of characters allowed in a 
username or domainname.  It really states which chars aren't allowed.*/
 
var validChars="\[^\\s" + specialChars + "\]";
 
/* The following pattern applies if the "user" is a quoted string (in
which case, there are no rules about which characters are allowed
and which aren't; anything goes).  E.g. "jiminy cricket"@disney.com
is a legal e-mail address. */
 
var quotedUser="(\"[^\"]*\")";
 
/* The following pattern applies for domains that are IP addresses,
rather than symbolic names.  E.g. joe@[123.124.233.4] is a legal
e-mail address. NOTE: The square brackets are required. */
 
var ipDomainPat=/^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/;
 
/* The following string represents an atom (basically a series of non-special characters.) */
 
var atom=validChars + '+';
 
/* The following string represents one word in the typical username.
For example, in john.doe@somewhere.com, john and doe are words.
Basically, a word is either an atom or quoted string. */
 
var word="(" + atom + "|" + quotedUser + ")";
 
// The following pattern describes the structure of the user
 
var userPat=new RegExp("^" + word + "(\\." + word + ")*$");
 
/* The following pattern describes the structure of a normal symbolic
domain, as opposed to ipDomainPat, shown above. */
 
var domainPat=new RegExp("^" + atom + "(\\." + atom +")*$");
 
/* Finally, let's start trying to figure out if the supplied address is valid. */
 
/* Begin with the coarse pattern to simply break up user@domain into
different pieces that are easy to analyze. */
 
var matchArray=emailStr.match(emailPat);
 
if (matchArray==null) {
 
/* Too many/few @'s or something; basically, this address doesn't
even fit the general mould of a valid e-mail address. */
 
alert("Email address seems incorrect (check @ and .'s)");
return false;

}
var user=matchArray[1];
var domain=matchArray[2];
 
// Start by checking that only basic ASCII characters are in the strings (0-127).
 
for (i=0; i<user.length; i++) {
if (user.charCodeAt(i)>127) {
alert("This Email address 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;
   }
}
 
// See if "user" is valid 
 
if (user.match(userPat)==null) {
 
// user is not valid
 
alert("The Email address doesn't seem to be valid.");
return false;
}
 
/* if the e-mail address is at an IP address (as opposed to a symbolic
host name) make sure the IP address is valid. */
 
var IPArray=domain.match(ipDomainPat);
if (IPArray!=null) {
 
// this is an IP address
 
for (var i=1;i<=4;i++) {
if (IPArray[i]>255) {
alert("Email address is invalid!");
return false;
   }
}
return true;
}
 
// Domain is symbolic name.  Check if it's valid.
 
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 Email address does not seem to be valid.");
return false;
   }
}
 
/* domain name seems valid, but now make sure that it ends in a
known top-level domain (like com, edu, gov) or a two-letter word,
representing country (uk, nl), and that there's a hostname preceding 
the domain or country. */
 
if (checkTLD && domArr[domArr.length-1].length!=2 && 
domArr[domArr.length-1].search(knownDomsPat)==-1) {
alert("The Email address must end in a well-known domain or two letter " + "country.");
return false;
}
 
// Make sure there's a host name preceding the domain.
 
if (len<2) {
alert("This Email address is missing a hostname!");
return false;
}
 
// If we've gotten this far, everything's valid!
return true;
}
 
//  End -->