/* Rollover */
image1 = new Image();
image1.src = "images/nav/game_on.gif";

image2 = new Image();
image2.src = "images/nav/catfaqs_on.gif";

image3 = new Image();
image3.src = "images/nav/donate_on.gif";

image4 = new Image();
image4.src = "images/nav/links_on.gif";

image5 = new Image();
image5.src = "images/nav/signup_on.gif";


/* MANUAL GAME WINDOW LAUNCHER */

function yscreen() {
window.open("","y",'toolbar=0,location=0,directories=0,status=0,scrollbars=0,menubar=0,width=700,height=550,resizable=0,left=225,top=85');
}


/* OPENS PETS WINDOW */

function gscreen() {
window.open("","g",'toolbar=0,location=0,directories=0,status=0,scrollbars=0,menubar=0,width=200,height=249,resizable=0,left=500,top=200');
}

/* OPENS GAME WINDOW */

function wscreen() {
window.open("","w",'toolbar=0,location=0,directories=0,status=0,scrollbars=0,menubar=0,width=800,height=400,resizable=0,left=75,top=100');
}


/* EMAIL TO A FRIEND */
var good;
function checkEmailAddress(field) {
// the following expression must be all on one line...
var goodEmail = field.value.match(/\b(^(\S+@).+((\.com)|(\.net)|(\.edu)|(\.mil)|(\.gov)|(\.org)|(\..{2,2}))$)\b/gi);
if (goodEmail) {
good = true;
}
else {
alert('Please enter a valid e-mail address.');
field.focus();
field.select();
good = false;
   }
}
u = window.location;
m = "Try the Catstration Web Game at Catnads.com";
function mailThisUrl() {
good = false
checkEmailAddress(document.eMailer.address);
if (good) {
// the following expression must be all on one line...
window.location = "mailto:"+document.eMailer.address.value+"?subject="+m+"&body="+document.title+" "+u;
   }
}

/* CLICK DOWN TEXT BOXES */

function ajaxLoader(url,id) {
  if (document.getElementById) {
    var x = (window.ActiveXObject) ? new ActiveXObject("Microsoft.XMLHTTP") : new XMLHttpRequest();
  }
  if (x) {
    x.onreadystatechange = function() {
      if (x.readyState == 4 && x.status == 200) {
        el = document.getElementById(id);
        el.innerHTML = x.responseText;
      }
    }
    x.open("GET", url, true);
    x.send(null);
  }
}
/*/
/* Ultimater's edited version of:
   http://jibbering.com/2002/4/httprequest.html
   to serve IE7 with XMLHttpRequest instead of ActiveX */

var xmlhttp=false;
if (!xmlhttp && typeof XMLHttpRequest!='undefined') {
 	try {
 		 xmlhttp = new XMLHttpRequest();
 	} catch (e) {
 		 xmlhttp=false;
 	}
}

/*@cc_on @*/
/*@if (@_jscript_version >= 5)
// JScript gives us Conditional compilation, we can cope with old IE versions.
// and security blocked creation of the objects.
if (!xmlhttp){
 try {
  xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
 } catch (e) {
  try {
   xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
  } catch (E) {
   xmlhttp = false;
  }
 }
}
@end @*/

if (!xmlhttp && window.createRequest) {
	try {
		xmlhttp = window.createRequest();
	} catch (e) {
		xmlhttp=false;
	}
}

/* Ajax Navigation */

var please_wait = "Please wait...";

function open_url(url, targetId) {
  if(!xmlhttp)return false;
    var e=document.getElementById(targetId);if(!e)return false;
    if(please_wait)e.innerHTML = please_wait;
    xmlhttp.open("GET", url, true);
    xmlhttp.onreadystatechange = function() { response(url, e); }
    try{
      xmlhttp.send(null);
    }catch(l){
    while(e.firstChild)e.removeChild(e.firstChild);//e.innerHTML="" the standard way
    e.appendChild(document.createTextNode("request failed"));
  }
}

function response(url, e) {
  if(xmlhttp.readyState != 4)return;
    var tmp= (xmlhttp.status == 200 || xmlhttp.status == 0) ? xmlhttp.responseText : "Ooops!! A broken link! Please contact the webmaster of this website ASAP and give him the following error code: " + xmlhttp.status+" "+xmlhttp.statusText;
    var d=document.createElement("div");
    d.innerHTML=tmp;
    setTimeout(function(){
      while(e.firstChild)e.removeChild(e.firstChild);//e.innerHTML="" the standard way
      e.appendChild(d);
    },10)
}