// JavaScript Document

function NewWindow(mypage, myname, w, h, scroll) {
var winl = (screen.width - w) / 2;
var wint = (screen.height - h) / 2;
winprops = 'height='+h+',width='+w+',top='+wint+',left='+winl+',scrollbars='+scroll+',resizable'
win = window.open(mypage, myname, winprops)
if (parseInt(navigator.appVersion) >= 4) { win.window.focus(); }
}

function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src= arg;
		return rslt;
	}
}

function changeImages() {
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src= changeImages.arguments[i+1];
		}
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		navigation_03_over = newImage("http://www.ca.uky.edu/agripedia/nav/navigation_03-over.gif");
		navigation_04_over = newImage("http://www.ca.uky.edu/agripedia/nav/navigation_04-over.gif");
		navigation_05_over = newImage("http://www.ca.uky.edu/agripedia/nav/navigation_05-over.gif");
		navigation_06_over = newImage("http://www.ca.uky.edu/agripedia/nav/navigation_06-over.gif");
		navigation_07_over = newImage("http://www.ca.uky.edu/agripedia/nav/navigation_07-over.gif");
		navigation_08_over = newImage("http://www.ca.uky.edu/agripedia/nav/navigation_08-over.gif");
		navigation_09_over = newImage("http://www.ca.uky.edu/agripedia/nav/navigation_09-over.gif");
		navigation_10_over = newImage("http://www.ca.uky.edu/agripedia/nav/navigation_10-over.gif");
		navigation_11_navigation_04_over = newImage("http://www.ca.uky.edu/agripedia/nav/navigation_11-navigation_04.gif");
		navigation_11_navigation_05_over = newImage("http://www.ca.uky.edu/agripedia/nav/navigation_11-navigation_05.gif");
		navigation_11_navigation_06_over = newImage("http://www.ca.uky.edu/agripedia/nav/navigation_11-navigation_06.gif");
		navigation_11_navigation_07_over = newImage("http://www.ca.uky.edu/agripedia/nav/navigation_11-navigation_07.gif");
		navigation_11_navigation_08_over = newImage("http://www.ca.uky.edu/agripedia/nav/navigation_11-navigation_08.gif");
		navigation_11_navigation_09_over = newImage("http://www.ca.uky.edu/agripedia/nav/navigation_11-navigation_09.gif");
		navigation_11_navigation_10_over = newImage("http://www.ca.uky.edu/agripedia/nav/navigation_11-navigation_10.gif");
		preloadFlag = true;
	}
}



function validateForm1(form) {
  if ( (form.first_name.value == "") || (form.last_name.value == "") || (form.email.value == "") || (form.title.value == "")) {
    alert("Please complete the form! Please press OK to continue. Thanks.");
    return false;
  } else {
    return true;
  }
}


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


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;
   }
}


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


alert("The username doesn't seem to be valid.");
return false;
}


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;
   }
}
return true;
}

 
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;
}


var myWind
function doNew() {
	if (!myWind || myWind.closed) {
		myWind = window.open("open.htm","subWindow","height=30,width=170")
	} else{
		
		myWind.focus()
	}
}