sfHover = function() {
	var sfEls = document.getElementById("nav").getElementsByTagName("LI");
	for (var i=0; i<sfEls.length; i++) {
		sfEls[i].onmouseover=function() {
			this.className+=" sfhover";
		}
		sfEls[i].onmouseout=function() {
			this.className=this.className.replace(new RegExp(" sfhover\\b"), "");
		}
	}
}
if (window.attachEvent) window.attachEvent("onload", sfHover);

function changeHome(ele) {
  document["Home"].src = "img/home/"+ele.id+".jpg";
  document["Homelinks"].href = ""+ele.id+".html";
}

function preloaderhome() 
{
  wave = new Image(); 
  wave.src = "img/home/wave.jpg";
  school = new Image(); 
  school.src = "img/home/school.jpg";
  homes = new Image();
  homes.src = "img/home/homes-right.jpg";
}