function divHover(element) {
  if (!element) return false;
  element.onmouseover = function() {
    this.className += " hover";
  }
  element.onmouseout = function() {
    this.className = this.className.replace(" hover", "");
  }
}

//window.onload = divHover("testdiv");
function pageLoad() {
	els = document.getElementsByClassName('folio_site');
	if (els && els.length > 0) {
		for (i = 0; i < els.length; i++) {
			divHover(els[i]);
		}
	}
}