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//////////////////////////////////////////// conc.js ///////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////////////////////////////
// ie: Contiene true si el navegador es IExplorer.                                                    //
// ns: Contiene true si el navegador es Netscape.
////////////////////////////////////////////////////////////////////////////////////////////////////////

var ie=(document.all) ? true:false;
var ns=(document.layers) ? true:false;

// MM_openBrWindow(theURL,winName,features)
function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
  window.focus();
}

// PopUpCenter(theURL, winName, features, W, H)
function PopUpCenter(theURL, winName, features, W, H) {
  var w;
  features = features + "," + "width=" + W + "," + "height=" + H;
  features = features + "," + "left=" + eval(screen.width/2 - W/2) + "," + "top=" + eval(screen.height/2 - H/2);
  w = window.open(theURL, winName, features);
  w.focus();
}

// MM_swapImgRestore()
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;
}

// MM_preloadImages()
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];}}
}

// MM_findObj(n, d)
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;
}

// MM_swapImage()
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];}
}

// showHide(theObject,theProp)
function showHide(theObject,theProp) {
	if (document.all[theObject]){
		document.all[theObject].style.display = theProp;
	}
}

// changeFocusToButton(objform,buttoname): Cambia el foco hacia el botón indicado
function changeFocusToButton(objform,buttoname){
	for(var i=0;i<objform.length;i++){
		if(objform.elements[i].name==buttoname){
			objform.elements[i].focus();
		}
	}  
}

// goURL(url): carga la página que ha llamado a la ventana con la URL que se le pasa
function goURL(url){
	window.opener.location = url;
}


//-->       Inici de les funcions que treballen amb Cookies

function getCookieVal (offset) 
{
	var endstr = document.cookie.indexOf (";", offset);
	if (endstr == -1)
	endstr = document.cookie.length;
	return unescape(document.cookie.substring(offset, endstr));
}

function GetCookie (name)
{
	var arg = name + "=";
	var alen = arg.length;
	var clen = document.cookie.length;
	var i = 0;
	while (i < clen)
	{
		var j = i + alen;
		if (document.cookie.substring(i, j) == arg)
		return getCookieVal (j);
		i = document.cookie.indexOf(" ", i) + 1;
		if (i == 0) break; 
	}
  return null;
}

function SetCookie (name, value)
{
	var argv = SetCookie.arguments;
	var argc = SetCookie.arguments.length;
	var expires = (argc > 2) ? argv[2] : null;
	var path = (argc > 3) ? argv[3] : null;
	var domain = (argc > 4) ? argv[4] : null;
	//var domain = "www.tnc.es";
	var secure = (argc > 5) ? argv[5] : false;
	document.cookie = name + "=" + escape (value) +
	((expires == null) ? "" : ("; expires=" + expires.toGMTString())) +
	((path == null) ? "" : ("; path=" + path)) +
	((domain == null) ? "" : ("; domain=" + domain)) +
	((secure == true) ? "; secure" : "");
}
function DeleteCookie(name)
{
	var exp = new Date();
	FixCookieDate (exp);
	exp.setTime (exp.getTime() - 1);
	var cval = GetCookie (name);
	if (cval != null)
	document.cookie = name + "=" + cval + "; expires=" + exp.toGMTString();
}


//-->      Fi de les funcions que treballen amb Cookies


// La funció login() crea la cookie per veure si l'usuari està loginat o no
// Si el paràmetre crearcookie arriba com a true vol dir que s'ha fet login per primera vegada
function cookies(opcio, usuari)
{
  // Declaració de variables
  var cookie_date=new Date(document.lastModified);
  var expdate = new Date();
  expdate.setTime(expdate.getTime()+(75000*24*60*12)); // Expira als 15 dies

  if (opcio == "crear")
  {
	SetCookie("bcnfinques",cookie_date,expdate); // Creem la cookie
	SetCookie("usuario",usuari,expdate); // Creem la cookie
	return;
  }
  if (opcio == "consultar")
  {
	if (GetCookie("bcnfinques") == null) // Si la cookie no existeix
	{
      return false;
	}
	else // Si la cookie existeix tornem true
 	{
	  var user = GetCookie("usuario",document.cookie);
	  return user;
	}
  }
}