var isOpera, isIE, isNav, isFox, isOther = false;
var posicion = new Array();

if (navigator.userAgent.indexOf("Opera")!=-1) {
	 isOpera = true;
} else if (navigator.userAgent.indexOf("Firefox")!=-1) {
	 isFox = true;
} else if (navigator.appName == "Microsoft Internet Explorer") {
	 isIE = true;
} else if (navigator.appName == "Netscape") {
	 isNav = true;
} else {
	isOther = true;
}

function MM_findObj (n, d) {
	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_showHideLayers () {
	var i,p,v,obj,args=MM_showHideLayers.arguments;
	for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
		if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v='hide')?'hidden':v; }
		obj.visibility=v; }
}

function submitonce () {
	for (i=0; i<document.forms.length; i++) {
		for (b=0; b<document.forms[i].length; b++) {
			var tempobj = document.forms[i].elements[b]
		 
			if(tempobj.type && (tempobj.type.toLowerCase()=="submit" || tempobj.type.toLowerCase()=="reset"))
				tempobj.disabled = true
		}
	}
	
	return true;
}

function amosa () {
	obj = amosa.arguments;

	for (i=0; i<obj.length; i++) {
		escolle = MM_findObj(obj[i]);

		if (escolle) {
			escolle.style.display = '';
		}
	}
}

function oculta () {
	obj = oculta.arguments;

	for (i=0; i<obj.length; i++) {
		escolle = MM_findObj(obj[i]);

		if (escolle) {
			escolle.style.display = 'none';
		}
	}
}

function cambia_outros () {
	obj = cambia_outros.arguments;

	for (i=1; i<obj.length; i++) {
		escolle = MM_findObj(obj[i]);

		if (escolle) {
			escolle.style.display = 'none';
		}
	}

	escolle = MM_findObj(obj[0]);

	if (escolle) {
		escolle.style.display = '';
	}
}

function axuda (sid) {
	txt = "toolbar=no,location=no,directories=no,status=no,framespacing=0,border=0";
	txt = txt+",resizable=yes,menubar=no,frameborder=0,fullscreen=no,scrollbars=yes,scroll=yes";
	txt = txt+",width=350,height=450,alwaysRaised=yes";

	window.open("axuda.php?"+sid,"Axuda",txt);
}

function Xcambia_opcion (id) {
	id = (id == 0)?1:id;

	for (xi=1; xi<5; xi++) {
		if (xi != id) {
			objenlace = MM_findObj('Xenlace'+xi);
			objli = MM_findObj('XLIopcion'+xi);

			oculta('XidOpcion'+xi);

			objenlace.className = '';
			objli.className = '';
		}
	}

	objenlace = MM_findObj('Xenlace'+id);
	objenlace.className = 'Xmarcado';

	objli = MM_findObj('XLIopcion'+id);
	objli.className = 'active';

	amosa('XidOpcion'+id);
}

function Xamosa_axuda (num) {
	obx_tr = MM_findObj('tr_axuda'+num);

	if (obx_tr.style) {
		if (obx_tr.style.display == 'none') {
			obx_tr.style.display = '';
		} else {
			obx_tr.style.display = 'none';
		}
	}
}

function amosa_axuda (nom) {
	obx_nom = MM_findObj(nom);

	if (obx_nom.style) {
		if (obx_nom.style.display == 'none') {
			obx_nom.style.display = '';
		} else {
			obx_nom.style.display = 'none';
		}
	}
}

function enlace () {
	var dir = arguments[0];
	var destino = arguments[1];

	url = dir.replace(/&amp;/g, '&');

	if (destino == '_blank') {
		window.open(url, '_blank');
	} else {
		location.href = url;
	}

	return false;
}

function ancho_fiestra () {
	if (self.innerHeight) {
		var max_ancho = document.body.clientWidth;
	} else if (document.documentElement && document.documentElement.clientHeight) {
		var max_ancho = document.documentElement.clientWidth;
	} else if (document.body) {
		var max_ancho = document.body.clientWidth;
	}

	return (max_ancho - 22)+'px';
}

function marca_ancho_corpo (directo) {
	if (directo) {
 		var obx_corpo = MM_findObj('corpo');
		var obx_pe = MM_findObj('pe');
		var max_ancho = ancho_fiestra();

		maximo = (obx_corpo.style.width == max_ancho);

		obx_corpo.style.width = maximo?(isIE?'960px':'940px'):max_ancho;
		obx_pe.style.width = obx_corpo.style.width;

		PFN_createCookie('PFN_anchoCorpo', (maximo?'':max_ancho), 365);
	} else {
		ancho_corpo = PFN_readCookie('PFN_anchoCorpo');

		if (ancho_corpo != '' && ancho_corpo != null) {
			document.write('<style type="text/css">');
			document.write("\n#corpo, #pe { width: "+ancho_corpo+"; }");
			document.write('</style>');
		}
	}

	return false;
}

function PFN_createCookie (name,value,days) {
	if (days) {
		var date = new Date();

		date.setTime(date.getTime()+(days*24*60*60*1000));

		var expires = '; expires='+date.toGMTString();
	} else { 
		expires = '';
	}

	document.cookie = name+'='+value+expires+'; path=/';
}

function PFN_readCookie (name) {
	var nameEQ = name + '=';
	var ca = document.cookie.split(';');

	for (var i=0;i < ca.length;i++) {
		var c = ca[i];

		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
	}

	return null;
}