var rightbox = new Array()
rightbox["News"] = "Expertise"
rightbox["Research"] = "Interests"
rightbox["Work"] = "Experience"
rightbox["Resume"] = "Downloads"
rightbox["Links"] = "Tools"
rightbox["Contact"] = "Collaborators"

function over(val) {
   // get specific div item, identified by node index
   var itm = document.getElementById(val);
     // set style properties
   itm.className="navbuttonover";
}

function out(val) {
   // get specific div item, identified by node index
   var itm = document.getElementById(val);
   itm.className="navbuttonout";
}

function down(val) {
   // get specific div item, identified by node index
   var itm = document.getElementById(val);
   itm.className="navbuttondown";
}

function up(val) {
   // get specific div item, identified by node index
   var itm = document.getElementById(val);
   itm.className="navbuttonup";
   loadcontent(val);
}

function loadcontent(val) {
    new Ajax.Updater('leftcontent', 'htm/'+val+'.htm', {method: 'get', asynchronous:true, evalScripts:true});
	document.getElementById("lefttitle").innerHTML = val;
	valr=rightbox[val];
	new Ajax.Updater('rightcontent', 'htm/'+valr+'.htm', {method: 'get', asynchronous:true, evalScripts:true});
	document.getElementById("righttitle").innerHTML = valr;
}

function homeload() {
    loadcontent("News");
}