//JavaScript Function Trimming the leading and trialing spaces.
//Code written by Kumara Swamy. J on 15/03/2005
function Trim(TRIM_VALUE){
if(TRIM_VALUE.length < 1){
return"";
}
TRIM_VALUE = RTrim(TRIM_VALUE);
TRIM_VALUE = LTrim(TRIM_VALUE);
if(TRIM_VALUE==""){
return "";
}
else{
return TRIM_VALUE;
}
} //End Function

function RTrim(VALUE){
var w_space = String.fromCharCode(32);
var v_length = VALUE.length;
var strTemp = "";
if(v_length < 0){
return"";
}
var iTemp = v_length -1;

while(iTemp > -1){
if(VALUE.charAt(iTemp) == w_space){
}
else{
strTemp = VALUE.substring(0,iTemp +1);
break;
}
iTemp = iTemp-1;

} //End While
return strTemp;

} //End Function

function LTrim(VALUE){
var w_space = String.fromCharCode(32);
if(v_length < 1){
return"";
}
var v_length = VALUE.length;
var strTemp = "";

var iTemp = 0;

while(iTemp < v_length){
if(VALUE.charAt(iTemp) == w_space){
}
else{
strTemp = VALUE.substring(iTemp,v_length);
break;
}
iTemp = iTemp + 1;
} //End While
return strTemp;
}

function emailCheck (emailStr) 
{
	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) {
		alert("Email address seems incorrect (check @ and .'s)")
			return false;
	}
	var user=matchArray[1]
	var domain=matchArray[2]
	if (user.match(userPat)==null) {
		alert("The username doesn't seem to be valid in Email Address.")
				   			return false;
	}
	var IPArray=domain.match(ipDomainPat)
	if (IPArray!=null) {
			for (var i=1;i<=4;i++) {
			if (IPArray[i]>255) {
				alert("Destination IP address is invalid in Email!")
										return false;
			}
		}
		return true
	}
	var domainArray=domain.match(domainPat)
	if (domainArray==null) {
		alert("The domain name doesn't seem to be valid in Email Address.")
								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>4) {
		alert("The address must end in a three-letter domain, or two letter country in Email.")
				   			return false;
	}
	if (len<2) {
		var errStr="This address is missing a hostname! in Email Address"
		alert(errStr);
			   			return false;
	}
	return true;
}

function zipcodecheck(zipcode)
{
	var checkOK = "0123456789";
	var checkStr; 
	var allValid = true;
	var allNum = "";
	checkStr = zipcode;
	for (i = 0;  i < checkStr.length;  i++)
	{
	ch = checkStr.charAt(i);
	for (j = 0;  j < checkOK.length;  j++)
	if (ch == checkOK.charAt(j))
	break;
	if (j == checkOK.length)
	{
	allValid = false;
	break;
	}
	if (ch != ",")
	allNum += ch;
	}
	if (!allValid)
	{
	alert("Postal code should be numeric");
	return (false);
	}
}
function phonecheck(zipcode)
{
	var checkOK = "0123456789";
	var checkStr; 
	var allValid = true;
	var allNum = "";
	checkStr = zipcode;
	for (i = 0;  i < checkStr.length;  i++)
	{
	ch = checkStr.charAt(i);
	for (j = 0;  j < checkOK.length;  j++)
	if (ch == checkOK.charAt(j))
	break;
	if (j == checkOK.length)
	{
	allValid = false;
	break;
	}
	if (ch != ",")
	allNum += ch;
	}
	if (!allValid)
	{
	return (false);
	}
}

function namecheck(name)
{
	 var string="0123456789*!#^()|?<>-+@_$&=%";
	  var str=name;
  for(var i=0;i < str.length;i++)
      {
	  ch = str.substring(i,i+1);
      for(var j=0;j< string.length;j++)
		 {
	 if(ch==string.substring(j,j+1))
			 {
		 return false;
		 }
		 }
     	 }
		 return true;
}