var finestra;
function obre_finestra(a,f,x,y){
	for(i = 0; i < f.taula.length; i++) { 
		if (f.taula[i].checked) {
			ventana(a + '.php?taula=' + f.taula[i].value, "ini", x, y);
			return;
		}
	}
	alert("No has seleccionat cap grup de productes");
}

function tanca_filla(){	//Se utiliza porque IE no admite el parámetro dependent=yes
	finestra.close();
}

function ventana(enlace,v,ancho,alto){
	var x=(screen.availWidth-ancho-20)/2;
	var y=(screen.availHeight-alto-20)/2;
  finestra=window.open(enlace,v,"dependent=yes,titlebar=no,left="+x + ",top="+y + ",height="+alto + ",width="+ancho);
}

function carga_categories(loc,q){
	document.location = loc + "?taula=" + q.taula.value + "&nom=" + q.nom.value + "&preu=" + q.preu.value + "&text=" + q.text.value;
}

function GoogleAnalisis() {
  var _gaq = _gaq || [];
  _gaq.push(['_setAccount', 'UA-18961246-2']);
  _gaq.push(['_setDomainName', 'none']);
  _gaq.push(['_setAllowLinker', true]);
  _gaq.push(['_trackPageview']);
  (function() {
    var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true;
    ga.src = ('https:' == document.location.protocol ? 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js';
    var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s);
  })();
}