function check() {
    var x = confirm("Are you sure you want to Delete?")
    if (x)
        return true;
    else
        return false;
}

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) {
        alert("Email address seems incorrect.");
        return false;
    }
    var user = matchArray[1];
    var domain = matchArray[2];

    for (i = 0; i < user.length; i++) {
        if (user.charCodeAt(i) > 127) {
            alert("Ths email contains invalid characters.");
            return false;
        }
    }
    for (i = 0; i < domain.length; i++) {
        if (domain.charCodeAt(i) > 127) {
            alert("Ths domain name contains invalid characters.");
            return false;
        }
    }

    if (user.match(userPat) == null) {
        alert("The email 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) {
        for (var i = 1; i <= 4; i++) {
            if (IPArray[i] > 255) {
                alert("Destination IP address is invalid!");
                return false;
            }
        }
    }
    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 domain name does not seem to be valid.");
            return false;
        }
    }

    if (checkTLD && domArr[domArr.length - 1].length != 2 && domArr[domArr.length - 1].search(knownDomsPat) == -1) {
        alert("The address must end in a well-known domain or two letter " + "country.");
        return false;
    }
    if (len < 2) {
        alert("This address is missing a hostname!");
        return false;
    }
    return true;
}
function openPopUp(theURL, winName, features) { //v2.0
    mapWin = window.open(theURL, winName, features);
    mapWin.focus();
}