function checkEmailValid(emailStr,msg)
{
	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 errMsg="";   
	var matchArray=emailStr.match(emailPat)
	if (matchArray==null) 
	{
	   errMsg=errMsg+"The "+msg+"Email Address seems incorrect!";
	   return errMsg;
	}
	else
	{
	  var user=matchArray[1]
	  var domain=matchArray[2]
	  if (user.match(userPat)==null) 
	  {
		errMsg=errMsg+"The "+msg+"Email Address seems incorrect!";
		return errMsg;       
	  }
	  var IPArray=domain.match(ipDomainPat)
	  if (IPArray!=null) 
	  {
		  for (var i=1;i<=4;i++) 
			  {
			if (IPArray[i]>255) 
				{
				errMsg=errMsg+"The "+msg+"Email Address seems incorrect!";
				return errMsg;
				}//IF
			  }//for
	   }//IP Array
	   var domainArray=domain.match(domainPat)
	   if (domainArray==null) 
	   {
		 errMsg=errMsg+"The "+msg+"Email Address seems incorrect!";
		 return errMsg;
	   }
	   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) 
	   {
		 errMsg=errMsg+"The "+msg+"Email Address seems incorrect!";
		 return errMsg;	
	   } 
	   if (len<2) 
	   {
		 errMsg=errMsg+"The "+msg+"Email Address seems incorrect!";
		 return errMsg;	 
	   } 
	 }//End  Match
	return "0";
}