/* CODI GENERAL */

var nav = (navigator.appName == "Microsoft Internet Explorer") ? "ie" : "ns";
if(nav=="ns"){
origWidth=innerWidth;origHeight=innerHeight;onresize=function(){if(innerWidth!=origWidth||innerHeight!=origHeight)location.reload()}
if (parseInt(navigator.appVersion)>=5) nav="ns6";
}

function ref(nom_capa)
  {
    if (nav == "ie") return "document.all['" + nom_capa + "'].style.";
    if (nav == "ns") return "document." + nom_capa + ".";
	if (nav == "ns6") return "document.getElementById('" + nom_capa + "').style.";
  } 


function amagar(nom_capa)
  {
    eval(ref(nom_capa) + "visibility = 'hidden'");
  }
 
function amagar2(nom_capa)
  {
   if (nav == "ns") eval("document.principal.document."+nom_capa+".visibility = 'hidden'");
   else eval(ref(nom_capa) + "visibility = 'hidden'");
  }

function amagar3(nom_capa)
  {
   if (nav == "ns") eval("document.principal.document.texte.document."+nom_capa+".visibility = 'hidden'");
   else eval(ref(nom_capa) + "visibility = 'hidden'");
  }

function veure(nom_capa)
  {
    eval(ref(nom_capa) + "visibility = 'visible'");
  }

function veure2(nom_capa)
  {
   if (nav == "ns") eval("document.principal.document."+nom_capa+".visibility = 'visible'");
   else eval(ref(nom_capa) + "visibility = 'visible'");
  }

function veure3(nom_capa)
  {
   if (nav == "ns") eval("document.principal.document.texte.document."+nom_capa+".visibility = 'visible'");
   else eval(ref(nom_capa) + "visibility = 'visible'");
  }

function mourecapa(capa,posx,posy)
{
        if (nav=="ns") {
                eval("document."+capa+".left=posx;");
                eval("document."+capa+".top=posy;");
        }
        if (nav == "ie") {
                eval(capa+".style.pixelLeft=posx;");
                eval(capa+".style.pixelTop=posy;");
        }
        if (nav == "ns6") {
                eval("document.getElementById('" + capa + "').style.left=posx");
                eval("document.getElementById('" + capa + "').style.top=posy");
        }
}

function mourecapa2(capa,posx,posy)
{
        if (nav=="ns") {
                eval("document.principal.document."+capa+".left=posx;");
                eval("document.principal.document."+capa+".top=posy;");
        }
        if (nav == "ie") {
                eval(capa+".style.pixelLeft=posx;");
                eval(capa+".style.pixelTop=posy;");
        }
        if (nav == "ns6") {
                eval("document.getElementById('" + capa + "').style.left=posx");
                eval("document.getElementById('" + capa + "').style.top=posy");
        }
}

function mourecapa3(capa,posx,posy)
{
        if (nav=="ns") {
                eval("document.principal.document.texte.document."+capa+".left=posx;");
                eval("document.principal.document.texte.document."+capa+".top=posy;");
        }
        if (nav == "ie") {
                eval(capa+".style.pixelLeft=posx;");
                eval(capa+".style.pixelTop=posy;");
        }
        if (nav == "ns6") {
                eval("document.getElementById('" + capa + "').style.left=posx");
                eval("document.getElementById('" + capa + "').style.top=posy");
        }
}


/* CODI PÀGINA */

function missatge() {
alert ('Aquesta imatge té els drets reservats');
}


function set_opacity(div, value) { 
    div.style.opacity = value; 
    div.style.MozOpacity = value; 
    div.style.KhtmlOpacity = value; 
    div.style.filter = 'alpha(opacity=' + value*100 + ')'; 
    div.style.zoom=1;//necesario para Explorer 
} 
var transicion=function(inicio,fin,segundos){ 
    var _this=this; 
    this.test=0; 
    if(_this.intervalo)clearInterval(_this.intervalo); 
    if(this.val && Math.abs(fin-_this.val)<0.01)return; 
    this.val=!this.val?inicio<1?inicio+.0001:inicio:this.val; 
    set_opacity(this, this.val); 
    this.pasos=(fin-inicio)/100; 
    this.pausa=segundos*10; 
    this.intervalo=setInterval( 
    function(){ 
        if(_this.test>99 || Math.abs(fin-_this.val)<0.01){ 
          clearInterval(_this.intervalo); 
        } 
        _this.test++; 
        //document.getElementById("log").innerHTML=_this.test; 
        _this.val=_this.val+_this.pasos; 
        if(_this.val<=.01)  
            _this.style.display='none'; 
        else 
            _this.style.display='block'; 
        set_opacity(_this, _this.val); 
    },this.pausa); 
} 
function ver(){ 
    var obj=document.getElementById("fondo"); 
    transicion.call(obj,0,1,3); 
} 
function cerrar(){ 
    var obj=document.getElementById("fondo"); 
    transicion.call(obj,1,0,3); 
	setTimeout("veuretot();", 3000)
} 

function veuretot(){ 
	amagar2('logo');veure2('cap');veure2('titol');veure2('inici');veure2('interior');
} 



function espera(){ 
	setTimeout("cerrar();", 15000);
}