/* window.onload = prepareSearchFields;
function prepareSearchFields() {
  if(!document.getElementById) return false;
  var searchField = document.getElementById("search-field");
  var defaultValue = searchField.defaultValue;
  searchField.onfocus = function() {
    if(searchField.value == defaultValue) {
      searchField.value = "";
    }
  }
  searchField.onblur = function() {
    if(searchField.value == "") {
      searchField.value = defaultValue;
    }
  }
}
*/

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);