<!-- 
function replace(string,text,by) {
// Replaces text with by in string
    var i = string.indexOf(text);
    if (string.length == 0) return string;
    if ((!i) && (text != string.substring(0,text.length))) return string;
    if (i == -1) return string;

    var newstr = string.substring(0,i) + by;

    if (i+text.length < string.length)
        newstr +=
        replace(string.substring(i+text.length,string.length),text,by);

    return newstr;
}

function WM_checkIn(id) {

  // This function checks for DOM strategy, then
  // returns an object reference.
  if (document.all) {
    return document.all[id].style;
  } else if(document.layers) {
    return document.layers[id];
  } else if(document.getElementById) {
  	 return document.getElementById(id).style;
  }
}

// set hidden/visible vars for Netscape 4 compatibility
if (document.layers) {
  var hidden = "hide";
  var visible = "show";
} else {
  var hidden = "hidden";
  var visible = "visible";
}

var toggle = "toggle";

function WM_changeVisibility() {
  if (document.layers || document.all || document.getElementById) {
    var inc, endInc=arguments.length;
    // run through the args (objects) and set the visibility of each
    for (inc=0; inc<endInc; inc+=2) {
      // get a good object reference
      var daObj = WM_checkIn(arguments[inc]);
      if (arguments[inc+1] == hidden) {
        // hide the object
        daObj.visibility = hidden;
      } else if (arguments[inc+1] == visible) {
        // show the object
        daObj.visibility = visible;
      } else if (arguments[inc+1] == toggle) {
        // toggle the object's visibility
        if (daObj.visibility == visible) {
          daObj.visibility = hidden;
        } else if (daObj.visibility == hidden) {
          daObj.visibility = visible;
        }
      }
    }
  }
}
//-->