function popwindow(imageurl, winname, winfeatures) {
  window.open(imageurl,winname,winfeatures); 
}
function setLocation(url) {
  window.location=url; 
}
function setPhoto(imgName, newStateImage){
  document.getElementById(imgName).src = eval(newStateImage+".src");
}
function showPhoto(feature_name, num_features, feature_id) {
  var cur_feature = 1;
  if (num_features > 1) {
    cur_feature = feature_id;
    for (var x = 1; x <= num_features; x++) {
      var temp_feature_name = feature_name;
      temp_feature_name += x;
      setElementClass(temp_feature_name, 'hidden');
    }
    // show div
    var temp_feature_name = feature_name;
    temp_feature_name += cur_feature;
    setElementClass(temp_feature_name, 'visible');
  }
}
function setElementClass(ele_id, changeto_class) {
  document.getElementById(ele_id).className = changeto_class;
}
function addBookmark(page_url, page_title) {
  if (window.sidebar) {
     // firefox
  	window.sidebar.addPanel(page_title, page_url, "");
  }
  else if(window.opera && window.print){ // opera
  	var elem = document.createElement('a');
  	elem.setAttribute('href',page_url);
  	elem.setAttribute('title',page_title);
  	elem.setAttribute('rel','sidebar');
  	elem.click();
  }
  else if(document.all) {
  	window.external.AddFavorite(page_url,page_title);
  }
}
/*
sfHover = function() {
	var sfEls = document.getElementById("menu").getElementsByTagName("td");
	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);
*/