function wax_on (navID) {
	if (document.images) {
		if (document[navID].src.indexOf("-here",1) < 0) {
			document[navID].src="/images/nav/"+navID+"-on.gif";
		}
	}
}

function wax_off (navID) {
	if (document.images) {
		if (document[navID].src.indexOf("-here",1) < 0) {
   			document[navID].src="/images/nav/"+navID+"-off.gif";
		}
	}
}

function prewax () {
  if(document.images) {
	btns = new Array ();
	for (var i=0;i<document.images.length;i++){
	  var tempt = document.images[i].src.indexOf("-off",1)
	  if (tempt>0) {
	    	btns[i] = new Image();
	    	var btnname = document.images[i].name;
    		btns[i].src = document.images[i].src.substring(0,tempt)+"-on"+btntype(btnname);
      }
    }
  }
}

function btntype (image){
	if( document[image].src.indexOf(".jpg",1)>1)
		return ".jpg";
    	else return ".gif";
}