function verificarFormCercador(form) 
   {
	   /*
	   var selObj = document.getElementById('temes');
	   var selIndexTema = selObj.selectedIndex;

	   selObj = document.getElementById('materials');
	   var selIndexMaterial = selObj.selectedIndex;

	   selObj = document.getElementById('edats');
	   var selIndexEdat = selObj.selectedIndex;

       if (form.realitzat.value == "" && selIndexTema == 0 && selIndexMaterial == 0 && selIndexEdat == 0)
	   {
		  alert("Si us plau seleccioni algun tema, material, edat o introdueixi una part o tot el nom o cognom del realitzador.");
		  form.temes.focus();
		  return false;
	   }      
       else
	   {*/
	   	   go(form, "cercador.php");
	   //}      
   }

function verificarForm(form, url) 
{
	var b=0;
	for(a=0; a<form.mides.length; a++){
		if(form.mides[a].checked == false)
			b++;
	}

	if(form.mides.length == b){
		alert("Siusplau seleccioni un tamany.");
		form.mides[0].focus();
		return false;
	}
	
	var b=0;
	for(a=0; a<form.requadre.length; a++){
		if(form.requadre[a].checked == false)
			b++;
	}
	
	if(form.requadre.length == b){
		alert("Siusplau seleccioni si desitja el segell amb requadre o no.");
		form.requadre[0].focus();
		return false;
	}
	
	var b=0;
	for(a=0; a<form.color.length; a++){
		if(form.color[a].checked == false)
			b++;
	}
	
	if(form.color.length == b){
		alert("Siusplau seleccioni el color amb el qual desitja el segell.");
		form.color[0].focus();
		return false;
	}
	
	if (form.text.value == "" || form.text.value.length<3 )
	{
		alert("Siusplau introdueixi el text del segell.");
		form.text.focus();
		return false;
	}      
	else if (!validarEmail(form.email.value))
	{
		alert("Siusplau introdueixi un e-mail correcte.");
		form.email.focus();
		return false;
	}
    else
	{
		go(form, url);
	}      
}

function obrirFinestraAdjunt( url, nomFinestra, amplada, altura, top, left )
{
	var wf = "";	
	wf = wf + "width=" + amplada;
	wf = wf + ",height=" + altura;
	wf = wf + ",resizable=no";
	wf = wf + ",title='"+ nomFinestra +"'";
	wf = wf + ",scrollbars=no";
	wf = wf + ",menubar=no";
	wf = wf + ",toolbar=no";
	wf = wf + ",directories=no";
	wf = wf + ",location=no";
	wf = wf + ",status=no";
	wf = wf + ",top=" + top;
	wf = wf + ",left=" + left;	
//	wf = wf + ",top=" + ((screen.availWidth-amplada)/2);
//	wf = wf + ",left=" + ((screen.availHeight-altura)/2);	
	window.open(url,nomFinestra,wf);
}

/**
	Funció per validar si un e-mail es correcte
*/
function validarEmail(valor)
{
	if(/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(valor))
	{
		//alert("La dirección de email " + valor    + " es correcta.") 
		return (true);
	}
  	else
  	{
		//alert("La dirección de email es incorrecta.");
   		return (false);
  	}
}

function obrirFinestra( url, nomFinestra, amplada, altura, top, left )
{
	var wf = "";	
	wf = wf + "width=" + amplada;
	wf = wf + ",height=" + altura;
	wf = wf + ",resizable=no";
	wf = wf + ",title='"+ nomFinestra +"'";
	wf = wf + ",scrollbars=yes";
	wf = wf + ",menubar=no";
	wf = wf + ",toolbar=no";
	wf = wf + ",directories=no";
	wf = wf + ",location=no";
	wf = wf + ",status=no";
	wf = wf + ",top=" + top;
	wf = wf + ",left=" + left;	
//	wf = wf + ",top=" + ((screen.availWidth-amplada)/2);
//	wf = wf + ",left=" + ((screen.availHeight-altura)/2);
	window.open(url,nomFinestra,wf);
}

function obrirFinestra3( url, nomFinestra, amplada, altura, top, left )
{
	var wf = "";
	
	window.close();	
	wf = wf + "width=" + amplada;
	wf = wf + ",height=" + altura;
	wf = wf + ",resizable=no";
	wf = wf + ",title='"+ nomFinestra +"'";
	wf = wf + ",scrollbars=yes";
	wf = wf + ",menubar=no";
	wf = wf + ",toolbar=no";
	wf = wf + ",directories=no";
	wf = wf + ",location=no";
	wf = wf + ",status=no";
	wf = wf + ",top=" + top;
	wf = wf + ",left=" + left;	
//	wf = wf + ",top=" + ((screen.availWidth-amplada)/2);
//	wf = wf + ",left=" + ((screen.availHeight-altura)/2);
	window.open(url,nomFinestra,wf);
}

function anarInici(camp)
{  // millorar-ho, fer netejar tabulador inicial i no borrar tot el text
   camp.value = netejarText(camp.value);
}

function go(form,url) 
{
	form.action = url;
	form.submit();
}

function obrirFinestraDesti( url, nomFinestra, amplada, altura, top, left, form )
{
	var wf = "";	
	wf = wf + "width=" + amplada;
	wf = wf + ",height=" + altura;
	wf = wf + ",resizable=no";
	wf = wf + ",title='"+ nomFinestra +"'";
	wf = wf + ",scrollbars=yes";
	wf = wf + ",menubar=no";
	wf = wf + ",toolbar=no";
	wf = wf + ",directories=no";
	wf = wf + ",location=no";
	wf = wf + ",status=no";
	wf = wf + ",top=" + top;
	wf = wf + ",left=" + left;
	
	url = url + form.pais2.value;	
//	wf = wf + ",top=" + ((screen.availWidth-amplada)/2);
//	wf = wf + ",left=" + ((screen.availHeight-altura)/2);
	window.open(url,nomFinestra,wf);
}

function obrirFinestraDesti2( url, nomFinestra, amplada, altura, top, left, form )
{
	var wf = "";	
	wf = wf + "width=" + amplada;
	wf = wf + ",height=" + altura;
	wf = wf + ",resizable=no";
	wf = wf + ",title='"+ nomFinestra +"'";
	wf = wf + ",scrollbars=yes";
	wf = wf + ",menubar=no";
	wf = wf + ",toolbar=no";
	wf = wf + ",directories=no";
	wf = wf + ",location=no";
	wf = wf + ",status=no";
	wf = wf + ",top=" + top;
	wf = wf + ",left=" + left;
	
	url = url + form.pais2.value;	
	//	wf = wf + ",top=" + ((screen.availWidth-amplada)/2);
//	wf = wf + ",left=" + ((screen.availHeight-altura)/2);
	window.open(url,nomFinestra,wf);
}

function obrirFoto2(titol,foto,alcada,amplada,esquerra,superior, principal) 
{ 
  var x,a=obrirFoto2.arguments;
  
     myWin= open("", "", "width="+amplada+",height="+alcada+",left="+esquerra+",top="+superior);
  
  // open document for further output
  myWin.document.open();
  
  // create document
  myWin.document.write("<html><head><title>" + titol + "</title>");
  if (principal)
  {
     x=MM_findObj(a[1]);
     myWin.document.write("<style type='text/css'><!-- .fondogaleria { background-image: url(" + x.src + ");	background-repeat: no-repeat;}</style>");
  }
  else
  {
     myWin.document.write("<style type='text/css'><!-- .fondogaleria { background-image: url(" + foto + ");	background-repeat: no-repeat;}</style>");
  }  
  myWin.document.write("<style type='text/css'><!-- a:link, a:visited, a:hover { color: #000000; text-decoration: none; font-weight: bold;} </style>");
  myWin.document.write("<style type='text/css'><!-- a:hover { text-decoration: underline;} </style>");
  myWin.document.write("</head>");
  myWin.document.write("<body leftmargin='0' topmargin='0' marginwidth='0' marginheight='0'> ");
  myWin.document.write("<table width=" + amplada + " height=" + alcada + " border='0' align='center' class='fondogaleria'>");
  myWin.document.write("<tr> <td height=" + (alcada - 37) + ">&nbsp;</td>");
  myWin.document.write("</tr><tr><td align='left'></td></tr>");
  myWin.document.write("</table>");
  myWin.document.write("</body></html>");

  // close the document - (not the window!)
  myWin.document.close();  
}

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_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];}}
}

function MM_findObj(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=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

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];}
}