function nav(id) {
if (document.all&&document.getElementById) {
navRoot = document.getElementById(id);
for (i=0; i<navRoot.childNodes.length; i++) {
node = navRoot.childNodes[i];
if (node.nodeName=="LI") {
node.onmouseover=function() {
this.className+=" over";
  }
  node.onmouseout=function() {
  this.className=this.className.replace(" over", "");
   }
   }
  }
 }
}

var loadedobjects=""
var rootdomain="http://"+window.location.hostname

function ajaxpage(url, containerid){
var page_request = false
if (window.XMLHttpRequest) // if Mozilla, Safari etc
page_request = new XMLHttpRequest()
else if (window.ActiveXObject){ // if IE
try {
page_request = new ActiveXObject("Msxml2.XMLHTTP")
} 
catch (e){
try{
page_request = new ActiveXObject("Microsoft.XMLHTTP")
}
catch (e){}
}
}
else
return false
page_request.onreadystatechange=function(){
loadpage(page_request, containerid)
}
page_request.open('GET', url, true)
page_request.send(null)
}

function loadpage(page_request, containerid){
if (page_request.readyState == 4 && (page_request.status==200 || window.location.href.indexOf("http")==-1))
document.getElementById(containerid).innerHTML=page_request.responseText
}

function loadobjs(){
if (!document.getElementById)
return
for (i=0; i<arguments.length; i++){
var file=arguments[i]
var fileref=""
if (loadedobjects.indexOf(file)==-1){ //Check to see if this object has not already been added to page before proceeding
if (file.indexOf(".js")!=-1){ //If object is a js file
fileref=document.createElement('script')
fileref.setAttribute("type","text/javascript");
fileref.setAttribute("src", file);
}
else if (file.indexOf(".css")!=-1){ //If object is a css file
fileref=document.createElement("link")
fileref.setAttribute("rel", "stylesheet");
fileref.setAttribute("type", "text/css");
fileref.setAttribute("href", file);
}
}
if (fileref!=""){
document.getElementsByTagName("head").item(0).appendChild(fileref)
loadedobjects+=file+" " //Remember this object as being already added to page
}
}
}




function changeImg(id,shtml) {
   if (document.getElementById || document.all) {
      var el = document.getElementById? document.getElementById(id): document.all[id];
      if (el && typeof el.innerHTML != "undefined") el.innerHTML = shtml;
   }
}


var img00 = '';
var img99 = 'click on the images to read more about these examples of vernacular architecture';


function changeImage(num){
                
                if (num=="100"){
				document.getElementById("img01").style.borderColor = "#C24100";
				document.getElementById("img02").style.borderColor = "#DEDED7";
				document.getElementById("img03").style.borderColor = "#DEDED7";
				document.getElementById("img04").style.borderColor = "#DEDED7";
				document.getElementById("img05").style.borderColor = "#DEDED7";
                
				ajaxpage('homepageimage_1.html', 'homeContent');
				changeImg('message', img00);
				
                }else if (num=="200"){
                document.getElementById("img01").style.borderColor = "#DEDED7";
				document.getElementById("img02").style.borderColor = "#800071";
				document.getElementById("img03").style.borderColor = "#DEDED7";
				document.getElementById("img04").style.borderColor = "#DEDED7";
				document.getElementById("img05").style.borderColor = "#DEDED7";
               
				
				ajaxpage('homepageimage_2.html', 'homeContent');
				changeImg('message', img00);
				
                }else if (num=="300"){
                document.getElementById("img01").style.borderColor = "#DEDED7";
				document.getElementById("img02").style.borderColor = "#DEDED7";
				document.getElementById("img03").style.borderColor = "#338033";
				document.getElementById("img04").style.borderColor = "#DEDED7";
				document.getElementById("img05").style.borderColor = "#DEDED7";
               
				ajaxpage('homepageimage_3.html', 'homeContent');
				changeImg('message', img00);

                }else if (num=="400"){
                document.getElementById("img01").style.borderColor = "#DEDED7";
				document.getElementById("img02").style.borderColor = "#DEDED7";
				document.getElementById("img03").style.borderColor = "#DEDED7";
				document.getElementById("img04").style.borderColor = "#C24100";
				document.getElementById("img05").style.borderColor = "#DEDED7";
               
				ajaxpage('homepageimage_4.html', 'homeContent');
				changeImg('message', img00);
				
                }else if (num=="500"){
                document.getElementById("img01").style.borderColor = "#DEDED7";
				document.getElementById("img02").style.borderColor = "#DEDED7";
				document.getElementById("img03").style.borderColor = "#DEDED7";
				document.getElementById("img04").style.borderColor = "#DEDED7";
				document.getElementById("img05").style.borderColor = "#800071";
               
				ajaxpage('homepageimage_5.html', 'homeContent');
				changeImg('message', img00);
				
				

				
				}
				}


function imgOff(){

			
                
				document.getElementById("img01").style.borderColor = "#C24100";
				document.getElementById("img02").style.borderColor = "#800071";
				document.getElementById("img03").style.borderColor = "#338033";
				document.getElementById("img04").style.borderColor = "#C24100";
				document.getElementById("img05").style.borderColor = "#800071";
               
				ajaxpage('homepageimage-blank.html', 'homeContent');
				changeImg('message', img99);


} 

function changeType(num){

if (num=="11"){
document.getElementById('centerWell').style.fontSize = '11px';
document.getElementById('centerWell').style.lineHeight = '18px';

document.getElementById('fontSize11').className = 'fontSizeOn';
document.getElementById('fontSize13').className = 'fontSize';
document.getElementById('fontSize15').className = 'fontSize';


}else if (num=="13"){
document.getElementById('centerWell').style.fontSize = '13px';
document.getElementById('centerWell').style.lineHeight = '21px';

document.getElementById('fontSize11').className = 'fontSize';
document.getElementById('fontSize13').className = 'fontSizeOn';
document.getElementById('fontSize15').className = 'fontSize';



}else if (num=="15"){
document.getElementById('centerWell').style.fontSize = '15px';
document.getElementById('centerWell').style.lineHeight = '25px';

document.getElementById('fontSize11').className = 'fontSize';
document.getElementById('fontSize13').className = 'fontSize';
document.getElementById('fontSize15').className = 'fontSizeOn';


}              
}