function setRandomImage() {

var theImages = new Array() // do not change this

theImages[0] = 'austinwall.jpg';
theImages[1] = 'fran2.jpg';
theImages[2] = 'kidshoulders.jpg';
theImages[3]= 'tailgate.jpg';
theImages[4] = 'levihug.jpg';
theImages[5] = 'rockwall.jpg';
theImages[6] = 'shadow.jpg';
theImages[7] = 'zilker.jpg';
theImages[8] = 'atherton.jpg';

var j = 0;
var p = theImages.length;
var whichImage = Math.round(Math.random()*(p-1));

setStyleById('homeMain','background','url(images/home/'+theImages[whichImage]+')');
setStyleById('homeMain','backgroundRepeat','no-repeat');

}

function setStyleById(i, p, v) {
	var n = document.getElementById(i);
	n.style[p] = v;
}

function SimpleSwap(el,which){
  el.src=el.getAttribute(which || "origsrc");
}

function SimpleSwapSetup(){
  var x = document.getElementsByTagName("img");
  for (var i=0;i<x.length;i++){
    var oversrc = x[i].getAttribute("oversrc");
    if (!oversrc) continue;
      
    // preload image
    // comment the next two lines to disable image pre-loading
    x[i].oversrc_img = new Image();
    x[i].oversrc_img.src=oversrc;
    // set event handlers
    x[i].onmouseover = new Function("SimpleSwap(this,'oversrc');");
    x[i].onmouseout = new Function("SimpleSwap(this);");
    // save original src
    x[i].setAttribute("origsrc",x[i].src);
  }
}

var PreSimpleSwapOnload =(window.onload)? window.onload : function(){};
window.onload = function(){PreSimpleSwapOnload(); SimpleSwapSetup();}