var menu1=new Array()
   menu1[0]='<a class=menu href="seminariopermanente.htm"><center>Seminarios 2004</a><br>'
   menu1[1]='<a class=menu href="seminariopermanente2.htm"><center>Seminarios 2005</a><br>'

   var menu2=new Array()
   menu2[0]='<a class=menu href="investestudiantes.htm"><center>Primera Fase</a><br>'
   menu2[1]='<a class=menu href="investestudiantes2.htm"><center>Segunda Fase</a><br>'
   menu2[2]='<a class=menu href="investestudiantes3.htm"><center>Tercera Fase</a><br>'

   var menu3=new Array()
   menu3[0]='<a class=menu href="investprincipales.htm"><center>Primera Fase</a><br>'
   menu3[1]='<a class=menu href="investprincipales2.htm"><center>Segunda Fase</a><br>'
   menu3[2]='<a class=menu href="investprincipales3.htm"><center>Tercera Fase</a><br>'
   
   var menuwidth='500px' //default menu width
   var menubgcolor='#d0af2a'  //menu bgcolor
   var disappeardelay=200  //menu disappear speed onMouseout (in miliseconds)
   var hidemenu_onclick="yes" //hide menu when user clicks within menu?

   /////No further editting needed

   var ie4=document.all
   var ns6=document.getElementById&&!document.all

   if (ie4||ns6)
   document.write('<div id="dropmenudiv" style="visibility:hidden;width:'+menuwidth+';background-color:'+menubgcolor+'" onMouseover="clearhidemenu()" onMouseout="dynamichide(event)"></div>')

   function getposOffset(what, offsettype){
   var totaloffset=(offsettype=="left")? what.offsetLeft : what.offsetTop;
   var parentEl=what.offsetParent;
   while (parentEl!=null){
   totaloffset=(offsettype=="left")? totaloffset+parentEl.offsetLeft : totaloffset+parentEl.offsetTop;
   parentEl=parentEl.offsetParent;
   }
   return totaloffset;
   }


   function showhide(obj, e, visible, hidden, menuwidth){
   if (ie4||ns6)
   dropmenuobj.style.left=dropmenuobj.style.top=-500
   if (menuwidth!=""){
   dropmenuobj.widthobj=dropmenuobj.style
   dropmenuobj.widthobj.width=menuwidth
   }
   if (e.type=="click" && obj.visibility==hidden || e.type=="mouseover")
   obj.visibility=visible
   else if (e.type=="click")
   obj.visibility=hidden
   }

   function iecompattest(){
   return (document.compatMode && document.compatMode!="BackCompat")? document.documentElement : document.body
   }

   function clearbrowseredge(obj, whichedge){
   var edgeoffset=0
   if (whichedge=="rightedge"){
   var windowedge=ie4 && !window.opera? iecompattest().scrollLeft+iecompattest().clientWidth-15 : window.pageXOffset+window.innerWidth-15
   dropmenuobj.contentmeasure=dropmenuobj.offsetWidth
   if (windowedge-dropmenuobj.x < dropmenuobj.contentmeasure)
   edgeoffset=dropmenuobj.contentmeasure-obj.offsetWidth
   }
   else{
   var windowedge=ie4 && !window.opera? iecompattest().scrollTop+iecompattest().clientHeight-15 : window.pageYOffset+window.innerHeight-18
   dropmenuobj.contentmeasure=dropmenuobj.offsetHeight
   if (windowedge-dropmenuobj.y < dropmenuobj.contentmeasure)
   edgeoffset=dropmenuobj.contentmeasure+obj.offsetHeight
   }
   return edgeoffset
   }

   function populatemenu(what){
   if (ie4||ns6)
   dropmenuobj.innerHTML=what.join("")
   }


   function dropdownmenu(obj, e, menucontents, menuwidth){
   if (window.event) event.cancelBubble=true
   else if (e.stopPropagation) e.stopPropagation()
   clearhidemenu()
   dropmenuobj=document.getElementById? document.getElementById("dropmenudiv") : dropmenudiv
   populatemenu(menucontents)

   if (ie4||ns6){
   showhide(dropmenuobj.style, e, "visible", "hidden", menuwidth)
   dropmenuobj.x=getposOffset(obj, "left")
   dropmenuobj.y=getposOffset(obj, "top")
   dropmenuobj.style.left=dropmenuobj.x-clearbrowseredge(obj, "rightedge")+"px"
   dropmenuobj.style.top=dropmenuobj.y-clearbrowseredge(obj, "bottomedge")+obj.offsetHeight+1+"px"
   }

   return clickreturnvalue()
   }

   function clickreturnvalue(){
   if (ie4||ns6) return false
   else return true
   }

   function contains_ns6(a, b) {
   while (b.parentNode)
   if ((b = b.parentNode) == a)
   return true;
   return false;
   }

   function dynamichide(e){
   if (ie4&&!dropmenuobj.contains(e.toElement))
   delayhidemenu()
   else if (ns6&&e.currentTarget!= e.relatedTarget&& !contains_ns6(e.currentTarget, e.relatedTarget))
   delayhidemenu()
   }

   function hidemenu(e){
   if (typeof dropmenuobj!="undefined"){
   if (ie4||ns6)
   dropmenuobj.style.visibility="hidden"
   }
   }

   function delayhidemenu(){
   if (ie4||ns6)
   delayhide=setTimeout("hidemenu()",disappeardelay)
   }

   function clearhidemenu(){
   if (typeof delayhide!="undefined")
   clearTimeout(delayhide)
   }

   if (hidemenu_onclick=="yes")
   document.onclick=hidemenu




var imagesupport = "false"

if (navigator.appName == "Netscape"){
        if (navigator.appVersion.substring(0,1) >= 3){
                imagesupport = "true";
                loadButtons();
        }
}

if (navigator.appName == "Microsoft Internet Explorer"){
        if (navigator.appVersion.substring(0,1) >= 4){
                imagesupport = "true";
                loadButtons();
        }

}

function loadButtons(){
   button = new Array(9);
   button_h = new Array(9);
   for (var i=1; i<10; i++)
   {
       button[i] = new Image();
       button[i].src = "img/opc" + (i) + "a.gif";
       button_h[i] = new Image();
       button_h[i].src = "img/opc" + (i) + "b.gif";
   }
}

function rollOver(oldbutton,newbutton){
        if (imagesupport == "true"){
                document.images[oldbutton].src=eval(newbutton + ".src");
        }
}