var NameCheckString = /[^a-zA-Z'. ]/;
var AlphabetsOnly = /[^a-zA-Z' ]/;
var AlphaNumericWithSpace = /[^a-zA-Z0-9 ]/;
var StreetAddress = /[^a-zA-Z0-9()\/, \-]/;
var PhoneCheckString = new RegExp("[^0-9-()]","g");
var ZipCheckString = new RegExp("[^0-9a-zA-Z]","g");

function spaceStripper(incomingText){
str1 = " ";
str2 = "";
workString=incomingText;
while (workString.indexOf(str1)!=-1){
workString=workString.substring(0,workString.indexOf(str1))+str2+workString.substring(workString.indexOf(str1)+str1.length,workString.length);
}
return workString;
}

function emailCheck (emailStr) {
var checkTLD=1;
var knownDomsPat=/^(com|net|org|edu|int|mil|gov|arpa|biz|aero|name|coop|info|pro|museum)$/;
var emailPat=/^(.+)@(.+)$/;
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 +")*$");
var matchArray=emailStr.match(emailPat);
if (matchArray==null) {
return false;
}
var user=matchArray[1];
var domain=matchArray[2];
for (i=0; i<user.length; i++) {
if (user.charCodeAt(i)>127) {
return false;
}}
for (i=0; i<domain.length; i++) {
if (domain.charCodeAt(i)>127) {
return false;
}}
if (user.match(userPat)==null) {
return false;
}
var IPArray=domain.match(ipDomainPat);
if (IPArray!=null) {
for (var i=1;i<=4;i++){
if (IPArray[i]>255){
return false;
}}
return true;
}
var atomPat=new RegExp("^" + atom + "$");
var domArr=domain.split(".");
var len=domArr.length;
for (i=0;i<len;i++) {
if (domArr[i].search(atomPat)==-1) {
return false;
}}
if (checkTLD && domArr[domArr.length-1].length!=2 &&
domArr[domArr.length-1].search(knownDomsPat)==-1) {
return false;
}
if (len<2) {
return false;
}
return true;
}