//  garys function to encrypt and print email links to nonLcnl domains

function emlPrnt(id,dom) {
var emt='&#109ai&#108&#116o'
var col=':'
var mt='@'
var addy=(id + mt + dom)
document.write('<a href="' + emt + col + addy + '">' + addy + '</a>')
}
// end function


//  garys function to encrypt and print email links to Lcnl addresses

function emlPrntLCNL(id) {
var emt='&#109&#97;i&#108&#116&#111;'
var col='&#058;'
var mt='&#064;'
var dom='lcnl&#46;wisc&#46;edu'
var addy=(id + mt + dom)
document.write('<a href="' + emt + col + addy + '">' + addy + '</a>')
}
// end function


//  garys function to encrypt but not print email links for use in anchor tags

function emlNoPrnt(id,dom) {
location.href = "&#109&#97&#105&#108&#116&#111&#058;" + id + "&#064;" + dom;
}
// end function


//  garys new function to encrypt but not print email links
function emlNoPrnt2(id,dom,alias) {
var emt='&#109&#97;i&#108&#116&#111;'
var col='&#058;'
var mt='&#064;'
var addy=(id + mt + dom)
document.write('<a href="' + emt + col + addy + '">' + alias + '</a>')
}
// end function

// this opens a new little window

function openWin(url) {
 window.open(url, "", "width=400,height=450,top=20,left=20,menu=0,menubar=0,location=0,toolbar=0");
}
//end openWin

function openWinPic(url) {
 window.open(url, "", "width=420,height=520,menu=0,menubar=0,location=0,toolbar=0");
}
//end openWin

function openWin500x450(url) {
 window.open(url, "", "width=520,height=450,menu=0,menubar=0,location=0,toolbar=0");
}
//end openWin

function openWin400x500(url) {
 window.open(url, "", "width=420,height=520,menu=0,menubar=0,location=0,toolbar=0");
}
//end openWin

//  email the staff

function openWinSize(url,widthVar,heightVar) {
 window.open(url, "", "width=widthVar,height=heightVar,menu=0,menubar=0,location=0,toolbar=0");
}
//end openWin


function send_it(form)  {    
    
      var menu_choice = form.destination.options[form.destination.selectedIndex].value;

       if (menu_choice == "nothing")  {
            form.destination.options[0].selected = true;
            form.destination.options[1].selected = true;   
       }
       else {  self.location = menu_choice; }
       
}
// end function


//  MM_preload images

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}
//  end function


//    image caching

function imageCache() {
   
    var images = new Array();
    var x = imageCache.arguments.length
    for (var i=0;  i<x;  i++) {
        images[i] = new Image();
        images[i].src = imageCache.arguments[i];    
    }
    
}     
// end function


// disable enter key (for use in forms)

function disableEnterKey()
{
if (window.event.keyCode == 13) window.event.keyCode = 0;
}

// end function


// check form input for disallowed characters (not reliable as a security measure, but still kind of nice)

function validate(field) {
var valid = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ -@.,0123456789"
var ok = "yes";
var temp;
for (var i=0; i<field.value.length; i++) {
temp = "" + field.value.substring(i, i+1);
if (valid.indexOf(temp) == "-1") ok = "no";
}
if (ok == "no") {
alert("Invalid entry.  Only letters, numbers, and the characters  -., are accepted");
field.focus();
field.select();
   }
}

// end function


// check email address format (doesn't ensure that the address is valid, but at least makes sure that it could be)

function emailCheck (emailStr) {

/*emailCheck script 1.1.3: Sandeep V. Tamhankar (stamhankar@hotmail.com)*/

/* The following variable tells the rest of the function whether or not
to verify that the address ends in a two-letter country or well-known
TLD.  1 means check it, 0 means don't. */

var checkTLD=1;

/* The following is the list of known TLDs that an e-mail address must end with. */

var knownDomsPat=/^(com|net|org|edu|int|mil|gov|arpa|biz|aero|name|coop|info|pro|museum)$/;

/* The following pattern is used to check if the entered e-mail address
fits the user@domain format.  It also is used to separate the username
from the domain. */

var emailPat=/^(.+)@(.+)$/;

/* The following string represents the pattern for matching all special
characters.  We don't want to allow special characters in the address. 
These characters include ( ) < > @ , ; : \ " . [ ] */

var specialChars="\\(\\)><@,;:\\\\\\\"\\.\\[\\]";

/* The following string represents the range of characters allowed in a 
username or domainname.  It really states which chars aren't allowed.*/

var validChars="\[^\\s" + specialChars + "\]";

/* The following pattern applies if the "user" is a quoted string (in
which case, there are no rules about which characters are allowed
and which aren't; anything goes).  E.g. "jiminy cricket"@disney.com
is a legal e-mail address. */

var quotedUser="(\"[^\"]*\")";

/* The following pattern applies for domains that are IP addresses,
rather than symbolic names.  E.g. joe@[123.124.233.4] is a legal
e-mail address. NOTE: The square brackets are required. */

var ipDomainPat=/^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/;

/* The following string represents an atom (basically a series of non-special characters.) */

var atom=validChars + '+';

/* The following string represents one word in the typical username.
For example, in john.doe@somewhere.com, john and doe are words.
Basically, a word is either an atom or quoted string. */

var word="(" + atom + "|" + quotedUser + ")";

// The following pattern describes the structure of the user

var userPat=new RegExp("^" + word + "(\\." + word + ")*$");

/* The following pattern describes the structure of a normal symbolic
domain, as opposed to ipDomainPat, shown above. */

var domainPat=new RegExp("^" + atom + "(\\." + atom +")*$");

/* Finally, let's start trying to figure out if the supplied address is valid. */

/* Begin with the coarse pattern to simply break up user@domain into
different pieces that are easy to analyze. */

var matchArray=emailStr.match(emailPat);

if (matchArray==null) {

/* Too many/few @'s or something; basically, this address doesn't
even fit the general mould of a valid e-mail address. */

alert("Email address seems incorrect (check @ and .'s)");
return false;
}
var user=matchArray[1];
var domain=matchArray[2];

// Start by checking that only basic ASCII characters are in the strings (0-127).

for (i=0; i<user.length; i++) {
if (user.charCodeAt(i)>127) {
alert("Ths username 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;
   }
}

// See if "user" is valid 

if (user.match(userPat)==null) {

// user is not valid

alert("The username 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) {

// this is an IP address

for (var i=1;i<=4;i++) {
if (IPArray[i]>255) {
alert("Destination IP address is invalid!");
return false;
   }
}
return true;
}

// Domain is symbolic name.  Check if it's valid.
 
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;
   }
}

/* domain name seems valid, but now make sure that it ends in a
known top-level domain (like com, edu, gov) or a two-letter word,
representing country (uk, nl), and that there's a hostname preceding 
the domain or country. */

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;
}

// Make sure there's a host name preceding the domain.

if (len<2) {
alert("This address is missing a hostname!");
return false;
}

// If we've gotten this far, everything's valid!
return true;
}

// end function