// BROWSER & OS DETECTION
function envDetect() {
agt = navigator.userAgent.toLowerCase();
is_mac = (agt.indexOf("mac") != -1);
is_major = parseInt(navigator.appVersion);
msie_vers_start = agt.indexOf("msie") +5;
msie_real_vers = parseFloat(agt.substring(msie_vers_start, msie_vers_start +3));
is_linux = (agt.indexOf("inux") != -1);
is_nav = ((agt.indexOf('mozilla') != -1) && (agt.indexOf('spoofer') == -1) && (agt.indexOf('compatible') == -1) && (agt.indexOf('opera') == -1) && (agt.indexOf('webtv') == -1));
is_nav6 = (is_nav && (agt.indexOf('netscape6') != -1));
is_nav4up = (is_nav && (is_major >= 4));
is_mozilla = (is_nav && (agt.indexOf('netscape') == -1) && (agt.indexOf('gecko') != -1));
is_ie = (agt.indexOf("msie") != -1);
is_ie3 = (is_ie && (is_major < 4));
is_ie4 = (is_ie && (is_major == 4) && (msie_real_vers < 5));
is_ie4up = (is_ie && (is_major >= 4));
is_ie5up = (is_ie && !is_ie3 && !is_ie4);
browserName = is_nav6 ? "ns6" : is_linux ? "linux" : (is_nav4up && !is_mac) ? "ns4pc" : is_mozilla ? "moz" : (is_nav4up && is_mac) ? "ns4mac" : (is_ie5up && is_mac) ? "ie5mac" : (is_ie4up && is_mac) ? "ie4mac" : "generic";
}
// GENERIC CUSTOM POP-UP WINDOW
function newWindow(winURL, winName, width, height, msg) {
options = 'height=' + height + ',width=' + width + ',scrollbars=no,resizable=no';
newWin = window.open(winURL, winName, options);
newWin.document.write("H R K C o n l i n e");
newWin.document.write(msg);
newWin.document.close();
newWin.focus();
}
// GENERIC FORM VALIDATION
function validForm(theForm) {
for(var intCtr = 0; intCtr < (theForm.elements.length); ++intCtr) {
var temp = theForm.elements[intCtr];
if(temp.type == "text" && temp.value == "") {
// temp.focus();
return false;
}
if(temp.tagName == "TEXTAREA" && temp.value == "") {
return false;
}
if(temp.type == "checkbox" && temp.name == "agree") {
if (temp.checked == true) {
return true;
} else {
return false;
}
}
}
return true;
}
// GENERIC EMAIL VALIDATION
function isEmail(str) {
var supported = 0;
if (window.RegExp) {
var tempStr = "a";
var tempReg = new RegExp(tempStr);
if (tempReg.test(tempStr)) supported = 1;
}
if (!supported)
return (str.indexOf(".") > 2) && (str.indexOf("@") > 0);
var r1 = new RegExp("(@.*@)|(\\.\\.)|(@\\.)|(^\\.)");
var r2 = new RegExp("^.+\\@(\\[?)[a-zA-Z0-9\\-\\.]+\\.([a-zA-Z]{2,3}|[0-9]{1,3})(\\]?)$");
return (!r1.test(str) && r2.test(str));
}
// VALIDATES AND PROCESSES CONTACT US FORM
function sendMail(theForm) {
data = theForm.from.value;
if (!validForm(theForm) || !isEmail(data) || theForm.body.value == "" || theForm.inquiry.value == "none") {
alert("Make sure all the relevant fields are filled in.\n\nYou must select a specific inquiry type and provide a valid email address.");
return false;
} else {
return true;
}
}
// VALIDATES SHORYUHAI FORM
function registerMe(theForm) {
if (!validForm(theForm)) {
alert("Make sure all the relevant fields are filled in!");
return false;
} else {
return true;
}
}
// VALIDATES AND PROCESSES EMAIL SUBSCRIPTION FORM
function subscribeMe(theForm) {
data = theForm.email.value;
// ARE THEY .HARVARD.EDU ?
if (!isEmail(data) || data.indexOf("harvard.edu") == -1) {
alert("Sorry, but HRKC membership - including that on email lists - is restricted\nto Harvard University affilliates.\n\nIf you are a Harvard affilliate but wish to subscribe an email address\nother than your harvard.edu address, please email us directly\nat kendo@hcs.harvard.edu");
return false;
} else {
alert("Thank you for subscribing to the HRKC email list.\n\nYour subscription has been sent to our web administrator\nand is awaiting approval.\n\nOnce authorized, you will be able to receive list-wide emails.");
return true;
}
}