function setActiveStyleSheet(title) {
  var i, a, main;
  for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
    if(a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("title")) {
      a.disabled = true;
      if(a.getAttribute("title") == title) a.disabled = false;
    }
  }
}

function message() {
var active = getActiveStyleSheet();
//alert(active);
var title = active;
setActiveStyleSheet(title);
}

function minus() {
  var activeM = getActiveStyleSheet();
  //alert(activeM);
  if (activeM != 1){
    var title = parseInt(activeM) - 1;
    //alert(title);
    setActiveStyleSheet(title);
  }else{
    alert("The text size is set to the minimum value.");
    var title = 1;
    setActiveStyleSheet(title);
  }
}

function plus() {
  var activeP = getActiveStyleSheet();
  //alert(activeP);
  if (activeP != 7){
    var title = parseInt(activeP) + 1;
    //alert(title);
    setActiveStyleSheet(title);
  }else{
    alert("The text size is set to the maximum value.");
    var title = 7;
    setActiveStyleSheet(title);
  }
}

function getActiveStyleSheet() {
  var i, a;
  for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
    if(a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("title") && !a.disabled) return a.getAttribute("title");
  }
  return null;
}

function getPreferredStyleSheet() {
  var i, a;
  for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
    if(a.getAttribute("rel").indexOf("style") != -1
       && a.getAttribute("rel").indexOf("alt") == -1
       && a.getAttribute("title")
       ) return a.getAttribute("title");
  }
  return null;
}

function createCookie(name,value,days) {
  if (days) {
    var date = new Date();
    date.setTime(date.getTime()+(days*24*60*60*1000));
    var expires = "; expires="+date.toGMTString();
  }
  else expires = "";
  document.cookie = name+"="+value+expires+"; path=/";
}

function readCookie(name) {
  var nameEQ = name + "=";
  var ca = document.cookie.split(';');
  for(var i=0;i < ca.length;i++) {
    var c = ca[i];
    while (c.charAt(0)==' ') c = c.substring(1,c.length);
    if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
  }
  return null;
}

window.onload = function(e) {
  var cookie = readCookie("style");
  if (cookie!=null && cookie!="" && cookie!="null" ){
        var title = cookie ? cookie : getPreferredStyleSheet();
        setActiveStyleSheet(title); 
        alert("style is: " + cookie);       
    }else{
        alert("style is: " + cookie);
        setActiveStyleSheet(4); 
    }
}

function onload(){
alert("onload");
}

window.onunload = function(e) {
  var title = getActiveStyleSheet();
  createCookie("style", title, 365);
}

var cookie = readCookie("style");
var title = cookie ? cookie : getPreferredStyleSheet();
setActiveStyleSheet(title);

function load(test)
{

//alert("load");
//alert(test);
if(test=="c"){

  var cookie = readCookie("style");
  if (cookie!=null && cookie!="" && cookie!="null" ){
        var title = cookie ? cookie : getPreferredStyleSheet();
        setActiveStyleSheet(title); 
//      alert("style is: " + cookie);       
    }else{
//      alert("style is: " + cookie);
        setActiveStyleSheet(4); 
    }

}else{

//alert("home");

  var cookie = readCookie("style");
  if (cookie!=null && cookie!="" && cookie!="null" ){
        var title = cookie ? cookie : getPreferredStyleSheet();
        setActiveStyleSheet(title); 
//      alert("style is: " + cookie);       
    }else{
//      alert("style is: " + cookie);
        setActiveStyleSheet(4); 
    }

    var image0 = '/images/home/Walker-Stainless-Aerospace-';
    var image1 = '/images/home/Medford-';


    if (parseInt(navigator.appVersion)>3) {
     if (navigator.appName=="Netscape") {
        winW = window.innerWidth;
     }
     if (navigator.appName.indexOf("Microsoft")!=-1) {
        winW = document.body.offsetWidth;
     }
    }

    if (winW >= 1250){
        images1280=new Array();
        images1280[0]=image0+'1280.jpg';
        images1280[1]=image1+'1280.jpg';
        var num = Math.round(Math.random()*1);
        document.getElementById("mainImage").setAttribute("src", images1280[num]);
        
    } else if (winW >= 990){
        images1024=new Array();
        images1024[0]=image0+'1024.jpg';
        images1024[1]=image1+'1024.jpg';
        var num = Math.round(Math.random()*1);      
        document.getElementById("mainImage").setAttribute("src", images1024[num]);
        
    } else if (winW >= 780){
        images0800=new Array();
        images0800[0]=image0+'800.jpg';
        images0800[1]=image1+'800.jpg';
        var num = Math.round(Math.random()*1);
        document.getElementById("mainImage").setAttribute("src", images0800[num]);
    }
    
    }
    
}