// JavaScript Document
userAgent = window.navigator.userAgent;
browserVers = parseInt(userAgent.charAt(userAgent.indexOf("/")+1),10);
function newImage(arg) {
  if (document.images) {
    rslt = new Image();
    rslt.src = arg;
    return rslt;
  }
}

function findElement(n,ly) {
  if (browserVers < 4)		return document[n];
  var curDoc = ly ? ly.document : document;
  var elem = curDoc[n];
  if (!elem) {
    for (var i=0;i<curDoc.layers.length;i++) {
      elem = findElement(n,curDoc.layers[i]);
      if (elem) return elem;
    }
  }
  return elem;
}

function changeImagesArray(array) {
  if (document.images && (preloadFlag == true)) {
    for (var i=0; i<array.length; i+=2) {
      img = null;
      if (document.layers) {
        img = findElement(array[i],0);
      }
      else {
        img = document.images[array[i]];
      }
      if (img) {
        img.src = array[i+1];
      }
    }
  }
}

function changeImages() {
  changeImagesArray(changeImages.arguments);
}

function toggleImages() {
  for (var i=0; i<toggleImages.arguments.length; i+=2) {
    if (selected == toggleImages.arguments[i])      changeImagesArray(toggleImages.arguments[i+1]);
  }
}

var selected = '';
var preloadFlag = false;
function preloadImages() {
  if (document.images) {
    button01_over = newImage("/images/button01-over.png");
    button01_down = newImage("/images/button01-down.png");
    button02_over = newImage("/images/button02-over.png");
    button02_down = newImage("/images/button02-down.png");
    button03_over = newImage("/images/button03-over.png");
    button03_down = newImage("/images/button03-down.png");
    button04_over = newImage("/images/button04-over.png");
    button04_down = newImage("/images/button04-down.png");
	machineButton01_over = newImage("/images/machineButton01-over.png");
    machineButton01_down = newImage("/images/machineButton01-down.png");
    machineButton02_over = newImage("/images/machineButton02-over.png");
    machineButton02_down = newImage("/images/machineButton02-down.png");
    machineButton03_over = newImage("/images/machineButton03-over.png");
    machineButton03_down = newImage("/images/machineButton03-down.png");
    machineButton04_over = newImage("/images/machineButton04-over.png");
    machineButton04_down = newImage("/images/machineButton04-down.png");
    machineButton05_over = newImage("/images/machineButton05-over.png");
    machineButton05_down = newImage("/images/machineButton05-down.png");
	aboutButton01_over = newImage("/images/aboutButton01-over.png");
    aboutButton01_down = newImage("/images/aboutButton01-down.png");
    aboutButton02_over = newImage("/images/aboutButton02-over.png");
    aboutButton02_down = newImage("/images/aboutButton02-down.png");
    aboutButton03_over = newImage("/images/aboutButton03-over.png");
    aboutButton03_down = newImage("/images/aboutButton03-down.png");
    aboutButton04_over = newImage("/images/aboutButton04-over.png");
    aboutButton04_down = newImage("/images/aboutButton04-down.png");
    aboutButton05_over = newImage("/images/aboutButton05-over.png");
    aboutButton05_down = newImage("/images/aboutButton05-down.png");
    preloadFlag = true;
  }
}

function rollover(name,btn) {
	document.getElementById(name+btn+"over").style.visibility="visible";
	document.getElementById(name+btn+"down").style.visibility="hidden";
	document.getElementById(name+btn+"normal").style.visibility="hidden";
}

function rollout(name,btn) { 
	document.getElementById(name+btn+"normal").style.visibility="visible";
	document.getElementById(name+btn+"over").style.visibility="hidden";
	document.getElementById(name+btn+"down").style.visibility="hidden";
}	

function mousedn(name,btn) { 
	document.getElementById(name+btn+"down").style.visibility="visible";
	document.getElementById(name+btn+"normal").style.visibility="hidden";
	document.getElementById(name+btn+"over").style.visibility="hidden";
}	

/* CONTACT SUBMISSION FORM */

function checkForm() {
	firstname = document.getElementById("first").value;
  lastname = document.getElementById("last").value;
  email = document.getElementById("email").value;
  failure = 0;
  resetAllErrors();

  
  if (email == "") {
	document.getElementById("emailLabel").style.color = "red";
    document.getElementById("email").select();
    document.getElementById("email").focus();
    failure = 1;
  } 

  if (lastname == "") {
	document.getElementById("lastLabel").style.color = "red";
    document.getElementById("last").select();
    document.getElementById("last").focus();
    failure = 1;
  }   
  if (firstname == "") {
	document.getElementById("firstLabel").style.color = "red";
    document.getElementById("first").select();
    document.getElementById("first").focus();
    failure = 1;
  }  
  
  if (failure == 1) {
    document.getElementById("error").style.display = "inline";
	return false;
  } else {
	  document.getElementById("form-center").style.display="hidden";
	  document.getElementById("form-thanks").style.display="visible";
    return true;
  }
}
 
function resetAllErrors() {
  document.getElementById("firstLabel").style.color = "white";
  document.getElementById("lastLabel").style.color = "white";
  document.getElementById("emailLabel").style.color = "white";
}
  
/* CONTACT SUBMISSION FORM END */