function obrir_finestra(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);}

function carrega_imatges() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=carrega_imatges.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}}

function restaurar_imatge() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;}

function buscar_objectes(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=buscar_objectes(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;}

function canviar_imatge() { //v3.0
  var i,j=0,x,a=canviar_imatge.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=buscar_objectes(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}}

<!-- VALORS ORIGINALS PER W I H ----- 512, 384  -->   
function zoom(pic,w,h) {
  l=445-w/2;
  t=316-h/2;
  pic=window.open("zoom.html?"+pic,'', "toolbar=0,location=0,scrollbar=0,menubar=0,status=0,resizable=0,width="+w +",height="+h +",left="+l +",top="+t); }

//Funciones redimension Iframes para protocolo Xhtml Transicional 
//corre bien en: IE, FF, NTS, Op

function iFrameHeight(iframeName)
{
    if(document.getElementById && !(document.all))
    {
        h = document.getElementById(iframeName).contentDocument.body.scrollHeight;
        document.getElementById(iframeName).height = h;
    }
    else if(document.all)
    {
        h = document.frames(iframeName).document.body.scrollHeight;
        document.all[iframeName].height = h;
    }
}