<!-- 2002 Oklahoma State University Physical Plant CIS -->
  imgPath="/images/nav/";
  prefix="nav";
  out_suffix="_out";
  over_suffix="_over";
  exp_blank="blank";
  exp_suffix="_exp";
  ext=".gif";

  function doMenu(operation, navName, text) {
  //This function handles image swaps and displaying status bar text, and "expound" images

    // This creates the stringed likeness of the properly named image
    var imgName="window.document." + navName; 

    // This take the likeness and returns the appropriate object reference
    var imgObject=eval(imgName);

    if (operation == "over") {
      imgObject.src = imgPath + prefix + navName + over_suffix + ext;
      document.expound.src=imgPath + prefix + navName + exp_suffix + ext;      
    }
    if (operation == "out") {
      imgObject.src = imgPath + prefix + navName + out_suffix + ext;
      document.expound.src=imgPath + exp_blank + exp_suffix + ext;
    }
    window.status=text;
  }


var holdTitle='';

function clrStat() {
  window.status = '';
  return true;
}

function setStat(inText) {
  window.status = inText;
  return true;
}

function popup(url) {
  window.open(url, "PopWindow", "location=no, width=1, height=1"); 
}

function popDef(anchor) {
  var vurl = "definitions.php#" + anchor;
  popup(vurl);
}

function popExplain() {
  return setStat('Self-dismissing Popup window'); 
}