// JavaScript Document

function senyala(enllac) {
	enllac.className='botonet actiu';
}

function desenyala(enllac) {
	enllac.className='botonet';
}

function restablir() {
	form = document.getElementById('formProductes');
	form.w.value='';
	form.especie.selectedIndex=0;
	form.principio.selectedIndex=0;
	form.via.selectedIndex=0;
}

function ocultar(pag) {
	ocultar_capa(pag);	
}

function mostrar(pag) {
	mostrar_capa(pag);	
}

function troggle(nomCapa) {
	if (document.getElementById(nomCapa).style.display!="") {
			initImage(nomCapa);
			document.getElementById(nomCapa).style.display="";
			document.getElementById(nomCapa).style.visibility="";
	}
	else ocultar_capa(nomCapa);
}

function ocultar_capa(nomCapa){
	document.getElementById(nomCapa).style.visibility="hidden";
	document.getElementById(nomCapa).style.display="none";
}

function mostrar_capa(nomCapa){
			initImage(nomCapa);
			document.getElementById(nomCapa).style.display="";
			document.getElementById(nomCapa).style.visibility="";
}

function initImage(imageId) {
  image = document.getElementById(imageId);
  image.style.visibility = 'visible';
  fadeIn(imageId,0);
}

function setOpacity(obj, opacity) {
  opacity = (opacity == 100)?99.999:opacity;
  
  // IE/Win
  obj.style.filter = "alpha(opacity:"+opacity+")";
  
  // Safari<1.2, Konqueror
  obj.style.KHTMLOpacity = opacity/100;
  
  // Older Mozilla and Firefox
  obj.style.MozOpacity = opacity/100;
  
  // Safari 1.2, newer Firefox and Mozilla, CSS3
  obj.style.opacity = opacity/100;
}

function fadeIn(objId,opacity) {
  if (document.getElementById) {
    obj = document.getElementById(objId);
    if (opacity <= 100) {
      setOpacity(obj, opacity);
      opacity += 10;
      window.setTimeout("fadeIn('"+objId+"',"+opacity+")", 5);
    }
  }
}

function eh() {
	alert("eh");	
}