function setClassName(objId, className) {
	objId.className = className;
}

function setInnerHTML(objId, innerHTML) {
	objId.innerHTML = '<img src="images/' + innerHTML + '">';
}

// Example:
// simplePreload( '01.gif', '02.gif' ); 
function simplePreload()
{ 
  var args = simplePreload.arguments;
  document.imageArray = new Array(args.length);
  for(var i=0; i<args.length; i++)
  {
    document.imageArray[i] = new Image;
    document.imageArray[i].src = args[i];
  }
}