function KSemailCheck (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) { 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 (domArr[domArr.length-1].length<2 || domArr[domArr.length-1].length>6) { return false }
if (len<2) { return false }
return true;
}

function KSemailAlert (emailStr,m) {
	if (KSemailCheck (emailStr)) {
		return true;
	}
	else {
		alert(m);
		return false;
	}
return false;
}

function Trim(strText) { 
	while (strText.substring(0,1) == ' ') 
        	strText = strText.substring(1, strText.length);
	while (strText.substring(strText.length-1,strText.length) == ' ')
		strText = strText.substring(0, strText.length-1);
return strText;
}

function CheckPwd(strText) { 
	var rExp = new RegExp(" ","ig")
	return ( !rExp.test(strText) ); 
}