function get_wmv ( video_file, target ) {

    var div_node = parent.document.getElementById( target );

    for (var i=0;i<div_node.childNodes.length;i++)
      div_node.removeChild(div_node.firstChild);

    var _app = navigator.appName;

    switch(_app){

      case 'Microsoft Internet Explorer':
         div_node.innerHTML = "<embed  name=\"MPlayer\" type=\"application/x-mplayer2\" src=\"" + video_file + "\"  quality=\"high\" scale=\"noscale\" salign=\"LT\" wmode=\"transparent\"  standby=\"LOADING...\" width=\"380\" height=\"335\" ></embed>";
        break;

      case 'Netscape':
      case 'Opera':
         var embed_element = document.createElement("embed");
         embed_element.setAttribute("width",       "380");
         embed_element.setAttribute("height",      "285");
         embed_element.setAttribute("quality",     "high");
         embed_element.setAttribute("scale",       "noscale");
         embed_element.setAttribute("salign",      "LT");
         embed_element.setAttribute("wmode",       "transparent");
         embed_element.setAttribute("type",        "application/x-mplayer2");
         embed_element.setAttribute("src",         video_file);
         div_node.appendChild( embed_element );
        break;

      default:
         alert( _app + " is not supported at this time.");
        break;

     }//switch

    return;
   }//function
/***************************************************************************************************/
function DropDownMenu(entered)
{
with (entered)
{
ref=options[selectedIndex].value;
splitcharacter=ref.lastIndexOf("&");

if (splitcharacter!=-1) {loc=ref.substring(0,splitcharacter); target=ref.substring(splitcharacter+1,1000).toLowerCase();}
else {loc=ref; target="_self";};
lowloc=loc.toLowerCase();
if (lowloc=="false") {return;}

if (target=="_self") {document.location=loc;}
else {if (target=="_top") {top.location=loc;}
      else {if (target=="_blank") {window.open(loc);}
           else{if (target=="_parent") {parent.location=loc;}
               else {parent.frames[target].location=loc;};
               }
           }
     }
}
}
/***************************************************************************************************/
browserName = navigator.appName;
     browserVer = parseInt(navigator.appVersion);
             if ((browserName == "Netscape" && browserVer >= 3)||(browserName == "Microsoft Internet Explorer" && browserVer >= 4)) version = "n3";
             else version = "n2";

             if (version == "n3") {
	     b0_on = new Image;
             b0_on.src = "./images/nudo.gif";
             b0_off = new Image;
             b0_off.src = "./images/mathdept.jpg";
             }

     function img_act(imgName) {
             if (version == "n3") {
             imgOn = eval(imgName + "_on.src");
             document [imgName].src = imgOn;
             }
     }

     function img_inact(imgName) {
             if (version == "n3") {
             imgOff = eval(imgName + "_off.src");
             document [imgName].src = imgOff;
             }
     }
/***************************************************************************************************/