var ns4up = (document.layers) ? true : false; 
  var ie4up = (document.all) ? true : false;
  var ns6up = (document.getElementById&&!document.all) ? true : false;

if(ns4up || ns6up) {
    doc = "document";
    sty = "";
    htm = ".document";
} else {
    doc = "document.all";
    sty = ".style";
    htm = "";
}

///// Estils
var ieEstils=false;
if (ie4up || ns6up)
	ieEstils=true;

if (ieEstils)
	document.write ("<link rel='STYLESHEET' type='text/css' href='/estiloie.css'>");
else
	document.write ("<link rel='STYLESHEET' type='text/css' href='/estilons.css'>");

function escribeInput(name,size)
{
	if (ieEstils)
		document.write ("<input type=text name=" + name + " id=" + name + " size=" + size + ">");
	else
		document.write ("<input type=text name=" + name + " id=" + name + " size=" + size*0.50 + ">");
}

///// Rollovers del peu
function muestra(numero)
{
	if (numero == 1)
		document.foto1.src=("/img/cuadrado.jpg");

	if (numero == 2)
		document.foto2.src=("/img/cuadrado.jpg");

	if (numero == 3)
		document.foto3.src=("/img/cuadrado.jpg");

	if (numero == 4)
		document.foto4.src=("/img/cuadrado.jpg");
		
	if (numero == 5)
		document.foto5.src=("/img/cuadrado.jpg");
}
function oculta()
{
	document.foto1.src=("/img/trans.gif");
	document.foto2.src=("/img/trans.gif");
	document.foto3.src=("/img/trans.gif");
	document.foto4.src=("/img/trans.gif");
	document.foto5.src=("/img/trans.gif");
}

///// Macromedia functions
function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}
function MM_swapImgRestore() { //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 MM_findObj(n, d) { //v4.0
  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=MM_findObj(n,d.layers[i].document);
  if(!x && document.getElementById) x=document.getElementById(n); return x;
}
function MM_preloadImages() { //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=MM_preloadImages.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];}}
}


///// Tractament de capes	
function vacia(combo)
{
	var i, l;

	if( combo == null ) return;
	l = combo.options.length - 1;
	for( i=l; i>=0; i-- ) 
		combo.options[i] = null;
}

function iniCombo(datos,valores,combo,capa,nombre)
{
	combo.disabled = true;
	ocultaCapa(capa +"NoHay");

	if( combo == null ) return;
	resetCombo(combo);

	if (datos.length==1)
	{
		ocultaCapa(capa);
		muestraCapa(capa +"NoHay");
	}
	else
	{	
		//if (datos.length==2)
		//	combo.options[0]=new Option( datos[1], valores[1], false, true );
		//else
		//{
			for (var i=0;i<datos.length;i++)
			{
				if (i==0)
					combo.options[i]=new Option( datos[i], valores[i], false, true );
				else
					combo.options[i]=new Option( datos[i], valores[i], false, false );
			}

		//	combo.disabled = false;
		//}
		combo.disabled = false;
	}
	
}

function resetCombo(combo)
{
	combo.disabled = true;
	vacia(combo);
	combo.options[0]=new Option( "Please, wait ", 0, false, false );
}

/////////////////////////////////Capas
function ocultaCapa(capa)
{
	if (ns6up)
	{
		ObjCapa = document.getElementById(capa);
		ObjCapa.style.visibility = "hidden";
	}
	else
	{
		ObjCapa = eval(doc + '[capa]' + sty);
		ObjCapa.visibility = "hidden";		
	}
}

function muestraCapa(capa)
{
	if (ns6up)
	{
		ObjCapa = document.getElementById(capa);
		ObjCapa.style.visibility = "visible";
	}
	else
	{
		ObjCapa = eval(doc + '[capa]' + sty);
		ObjCapa.visibility = "visible";		
	}
}