// functions.js - ADSLZone

//
// Promoción de noticias
//

function promote(type)	{
	var title = encodeURIComponent(window.document.title);
	var href = encodeURIComponent(window.document.location.href);
	var components = window.document.location.href.split('/');
	var tags = '';
	
	if(components[6] != '')
	{
					tags += components[6]+' ';
	}
	if(components[7] != '')
	{
					tags += components[7]+' ';
	}
	if(components[8] != '')
	{
					tags += components[8]+' ';
	}               
	
	tags = encodeURIComponent(tags);
	
	switch(type)	{
		case 'meneame' :
						url = 'http://meneame.net/submit.php?url='+href;
						break;
		case 'digg' :
						url = 'http://digg.com/submit?phase=2&url='+href+'&title='+title;
						break;
		case 'delicious' :
						url = 'http://del.icio.us/post?url='+href+'&title='+title;
						break;
		case 'technorati' :
						url = 'http://www.technorati.com/search/'+tags+'?sub=postcosm';
						break;
		case 'yahoo' :
						url = 'http://myweb2.search.yahoo.com/myresults/bookmarklet?u='+href+'&t='+title+'&ei=UTF-8';
						break;
		case 'fresqui' :
						url = 'http://tec.fresqui.com/post?url='+href+'&title='+title;
						break;
		case 'enchilame' :
						url = 'http://www.enchilame.com/submit.php?url='+href;
						break;
		case 'wikio' :
						url = 'http://www.wikio.es/vote?url='+href;
						break;          
	}
				window.open(url);
}

//
// Bookmark
//

function CreateBookmarkLink() {
	title="ADSLZone.net"; 
	url="http://www.adslzone.net";
	if (window.sidebar) { // Mozilla Firefox Bookmark
			window.sidebar.addPanel(title, url,"");
	} else if( window.external ) { // IE Favorite
			window.external.AddFavorite( url, title); }
	else if(window.opera && window.print) { // Opera Hotlist
			return true; }
}

//
// Jump
//

function MM_jumpMenu(targ,selObj,restore){ //v3.0
  eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");
  if (restore) selObj.selectedIndex=0;
}

//
// Redimensionador de imágenes (FORO)
//

function resizeimg()
{
   var x = document.getElementById('topictable');
   if (!x) return;
   var y = x.getElementsByTagName('img');
   if (y)
   {
      for (i=0; i<y.length; i++)
      {
         im = y[i];
         if (im.width > 550)
         {
            im.style.width = '550px';
            eval("pop" + String(i) + " = new Function(\"pop = window.open('" + im.src + " ','fullscale','width=640,height=480,scrollbars=1,resizable=1'); pop.focus();\")");
            eval("im.onclick = pop" + String(i) + ";");
            if (document.all) im.style.cursor = 'hand';
            if (!document.all) im.style.cursor = 'pointer';
            im.title = 'Pulsa la imagen para verlo a tama&ntilde;o completo';
         }
      }
   }
}

//
// Control.Tabs (Pestañas)
//

/**
 * @author Ryan Johnson <ryan@livepipe.net>
 * @copyright 2007 LivePipe LLC
 * @package Control.Tabs
 * @license MIT
 * @url http://livepipe.net/projects/control_tabs/
 * @version 2.1.1
 */

/*
if(typeof(Control) == 'undefined')
	var Control = {};
Control.Tabs = Class.create();
Object.extend(Control.Tabs,{
	instances: [],
	findByTabId: function(id){
		return Control.Tabs.instances.find(function(tab){
			return tab.links.find(function(link){
				return link.key == id;
			});
		});
	}
});
Object.extend(Control.Tabs.prototype,{
	initialize: function(tab_list_container,options){
		this.activeContainer = false;
		this.activeLink = false;
		this.containers = $H({});
		this.links = [];
		Control.Tabs.instances.push(this);
		this.options = {
			beforeChange: Prototype.emptyFunction,
			afterChange: Prototype.emptyFunction,
			hover: false,
			linkSelector: 'li a',
			setClassOnContainer: false,
			activeClassName: 'active',
			defaultTab: 'first',
			autoLinkExternal: true,
			targetRegExp: /#(.+)$/,
			showFunction: Element.show,
			hideFunction: Element.hide
		};
		Object.extend(this.options,options || {});
		(typeof(this.options.linkSelector == 'string')
			? $(tab_list_container).getElementsBySelector(this.options.linkSelector)
			: this.options.linkSelector($(tab_list_container))
		).findAll(function(link){
			return (/^#/).exec(link.href.replace(window.location.href.split('#')[0],''));
		}).each(function(link){
			this.addTab(link);
		}.bind(this));
		this.containers.values().each(this.options.hideFunction);
		if(this.options.defaultTab == 'first')
			this.setActiveTab(this.links.first());
		else if(this.options.defaultTab == 'last')
			this.setActiveTab(this.links.last());
		else
			this.setActiveTab(this.options.defaultTab);
		var targets = this.options.targetRegExp.exec(window.location);
		if(targets && targets[1]){
			targets[1].split(',').each(function(target){
				this.links.each(function(target,link){
					if(link.key == target){
						this.setActiveTab(link);
						throw $break;
					}
				}.bind(this,target));
			}.bind(this));
		}
		if(this.options.autoLinkExternal){
			$A(document.getElementsByTagName('a')).each(function(a){
				if(!this.links.include(a)){
					var clean_href = a.href.replace(window.location.href.split('#')[0],'');
					if(clean_href.substring(0,1) == '#'){
						if(this.containers.keys().include(clean_href.substring(1))){
							$(a).observe('click',function(event,clean_href){
								this.setActiveTab(clean_href.substring(1));
							}.bindAsEventListener(this,clean_href));
						}
					}
				}
			}.bind(this));
		}
	},
	addTab: function(link){
		this.links.push(link);
		link.key = link.getAttribute('href').replace(window.location.href.split('#')[0],'').split('/').last().replace(/#/,'');
		this.containers[link.key] = $(link.key);
		link[this.options.hover ? 'onmouseover' : 'onclick'] = function(link){
			if(window.event)
				Event.stop(window.event);
			this.setActiveTab(link);
			return false;
		}.bind(this,link);
	},
	setActiveTab: function(link){
		if(!link)
			return;
		if(typeof(link) == 'string'){
			this.links.each(function(_link){
				if(_link.key == link){
					this.setActiveTab(_link);
					throw $break;
				}
			}.bind(this));
		}else{
			this.notify('beforeChange',this.activeContainer);
			if(this.activeContainer)
				this.options.hideFunction(this.activeContainer);
			this.links.each(function(item){
				(this.options.setClassOnContainer ? $(item.parentNode) : item).removeClassName(this.options.activeClassName);
			}.bind(this));
			(this.options.setClassOnContainer ? $(link.parentNode) : link).addClassName(this.options.activeClassName);
			this.activeContainer = this.containers[link.key];
			this.activeLink = link;
			this.options.showFunction(this.containers[link.key]);
			this.notify('afterChange',this.containers[link.key]);
		}
	},
	next: function(){
		this.links.each(function(link,i){
			if(this.activeLink == link && this.links[i + 1]){
				this.setActiveTab(this.links[i + 1]);
				throw $break;
			}
		}.bind(this));
		return false;
	},
	previous: function(){
		this.links.each(function(link,i){
			if(this.activeLink == link && this.links[i - 1]){
				this.setActiveTab(this.links[i - 1]);
				throw $break;
			}
		}.bind(this));
		return false;
	},
	first: function(){
		this.setActiveTab(this.links.first());
		return false;
	},
	last: function(){
		this.setActiveTab(this.links.last());
		return false;
	},
	notify: function(event_name){
		try{
			if(this.options[event_name])
				return [this.options[event_name].apply(this.options[event_name],$A(arguments).slice(1))];
		}catch(e){
			if(e != $break)
				throw e;
			else
				return false;
		}
	}
});
if(typeof(Object.Event) != 'undefined')
	Object.Event.extend(Control.Tabs);
*/
	
//
// Nav  Pagenavi
// 

function initPage()
{
	var nav = document.getElementById("navegador");
	if (nav)
	{
		var nodes = nav.getElementsByTagName("li");
		for (var i = 0; i < nodes.length; i++)
		{
			if (nodes[i].parentNode.id == "navegador")
			{
				nodes[i].onmouseover = function () 
				{
					this.className += " hover";
				}
				nodes[i].onmouseout = function ()
				{
					this.className = this.className.replace(" hover", "");
				}
			}
		}
	}
}
if (window.attachEvent && !window.opera)
	window.attachEvent("onload", initPage);

//
// Javascript DIV Toggle
//

function toggle_visibility(id) {
   var e = document.getElementById(id);
   if(e.style.display == 'block')
      e.style.display = 'none';
   else
      e.style.display = 'block';
}

// bbCode control by
// subBlue design
// www.subBlue.com

// Startup variables
var imageTag = false;
var theSelection = false;

// Check for Browser & Platform for PC & IE specific bits
// More details from: http://www.mozilla.org/docs/web-developer/sniffer/browser_type.html
var clientPC = navigator.userAgent.toLowerCase(); // Get client info
var clientVer = parseInt(navigator.appVersion); // Get browser version

var is_ie = ((clientPC.indexOf("msie") != -1) && (clientPC.indexOf("opera") == -1));
var is_nav = ((clientPC.indexOf('mozilla')!=-1) && (clientPC.indexOf('spoofer')==-1)
                && (clientPC.indexOf('compatible') == -1) && (clientPC.indexOf('opera')==-1)
                && (clientPC.indexOf('webtv')==-1) && (clientPC.indexOf('hotjava')==-1));
var is_moz = 0;

var is_win = ((clientPC.indexOf("win")!=-1) || (clientPC.indexOf("16bit") != -1));
var is_mac = (clientPC.indexOf("mac")!=-1);

// Helpline messages
b_help = "Negrita: [b]texto[/b]  (alt+b)";
i_help = "Cursiva: [i]texto[/i]  (alt+i)";
u_help = "Subrayado: [u]texto[/u]  (alt+u)";
q_help = "Cita: [quote]texto[/quote]  (alt+q)";
c_help = "Código: [code]código[/code]  (alt+c)";
l_help = "Lista: [list]texto[/list] (alt+l)";
o_help = "Lista ordenada: [list=]texto[/list]  (alt+o)";
p_help = "Insertar imagen: [img]http://url_imagen[/img]  (alt+p)";
w_help = "Insertar URL: [url]http://url[/url] o [url=http://url]texto URL[/url]  (alt+w)";
a_help = "Cerrar todos los marcadores de bbCode abiertos";
s_help = "Color: [color=red]texto[/color]  Nota: Puede usar color=#FF0000";
f_help = "Tamaño: [size=x-small]texto pequeño[/size]";

// Define the bbCode tags
bbcode = new Array();
bbtags = new Array('[b]','[/b]','[i]','[/i]','[u]','[/u]','[quote]','[/quote]','[code]','[/code]','[list]','[/list]','[list=]','[/list]','[img]','[/img]','[url]','[/url]');
imageTag = false;

// Shows the help messages in the helpline window
function helpline(help) {
	document.post.helpbox.value = eval(help + "_help");
}


// Replacement for arrayname.length property
function getarraysize(thearray) {
	for (i = 0; i < thearray.length; i++) {
		if ((thearray[i] == "undefined") || (thearray[i] == "") || (thearray[i] == null))
			return i;
		}
	return thearray.length;
}

// Replacement for arrayname.push(value) not implemented in IE until version 5.5
// Appends element to the array
function arraypush(thearray,value) {
	thearray[ getarraysize(thearray) ] = value;
}

// Replacement for arrayname.pop() not implemented in IE until version 5.5
// Removes and returns the last element of an array
function arraypop(thearray) {
	thearraysize = getarraysize(thearray);
	retval = thearray[thearraysize - 1];
	delete thearray[thearraysize - 1];
	return retval;
}


function checkForm() {

	formErrors = false;

	if (document.post.comment.value.length < 2) {
		formErrors = "Debe escribir un mensaje para publicar";
	}

	if (formErrors) {
		alert(formErrors);
		return false;
	} else {
		bbstyle(-1);
		//formObj.preview.disabled = true;
		//formObj.submit.disabled = true;
		return true;
	}
}

function emoticon(text) {
	var txtarea = document.post.comment;
	text = ' ' + text + ' ';
	if (txtarea.createTextRange && txtarea.caretPos) {
		var caretPos = txtarea.caretPos;
		caretPos.text = caretPos.text.charAt(caretPos.text.length - 1) == ' ' ? text + ' ' : text;
		txtarea.focus();
	} else {
		txtarea.value  += text;
		txtarea.focus();
	}
}

function bbfontstyle(bbopen, bbclose) {
	var txtarea = document.post.comment;

	if ((clientVer >= 4) && is_ie && is_win) {
		theSelection = document.selection.createRange().text;
		if (!theSelection) {
			txtarea.value += bbopen + bbclose;
			txtarea.focus();
			return;
		}
		document.selection.createRange().text = bbopen + theSelection + bbclose;
		txtarea.focus();
		return;
	}
	else if (txtarea.selectionEnd && (txtarea.selectionEnd - txtarea.selectionStart > 0))
	{
		mozWrap(txtarea, bbopen, bbclose);
		return;
	}
	else
	{
		txtarea.value += bbopen + bbclose;
		txtarea.focus();
	}
	storeCaret(txtarea);
}


function bbstyle(bbnumber) {
	var txtarea = document.post.comment;

	donotinsert = false;
	theSelection = false;
	bblast = 0;

	if (bbnumber == -1) { // Close all open tags & default button names
		while (bbcode[0]) {
			butnumber = arraypop(bbcode) - 1;
			txtarea.value += bbtags[butnumber + 1];
			buttext = eval('document.post.addbbcode' + butnumber + '.value');
			eval('document.post.addbbcode' + butnumber + '.value ="' + buttext.substr(0,(buttext.length - 1)) + '"');
		}
		imageTag = false; // All tags are closed including image tags :D
		txtarea.focus();
		return;
	}

	if ((clientVer >= 4) && is_ie && is_win)
	{
		theSelection = document.selection.createRange().text; // Get text selection
		if (theSelection) {
			// Add tags around selection
			document.selection.createRange().text = bbtags[bbnumber] + theSelection + bbtags[bbnumber+1];
			txtarea.focus();
			theSelection = '';
			return;
		}
	}
	else if (txtarea.selectionEnd && (txtarea.selectionEnd - txtarea.selectionStart > 0))
	{
		mozWrap(txtarea, bbtags[bbnumber], bbtags[bbnumber+1]);
		return;
	}

	// Find last occurance of an open tag the same as the one just clicked
	for (i = 0; i < bbcode.length; i++) {
		if (bbcode[i] == bbnumber+1) {
			bblast = i;
			donotinsert = true;
		}
	}

	if (donotinsert) {		// Close all open tags up to the one just clicked & default button names
		while (bbcode[bblast]) {
				butnumber = arraypop(bbcode) - 1;
				txtarea.value += bbtags[butnumber + 1];
				buttext = eval('document.post.addbbcode' + butnumber + '.value');
				eval('document.post.addbbcode' + butnumber + '.value ="' + buttext.substr(0,(buttext.length - 1)) + '"');
				imageTag = false;
			}
			txtarea.focus();
			return;
	} else { // Open tags

		if (imageTag && (bbnumber != 14)) {		// Close image tag before adding another
			txtarea.value += bbtags[15];
			lastValue = arraypop(bbcode) - 1;	// Remove the close image tag from the list
			document.post.addbbcode14.value = "Img";	// Return button back to normal state
			imageTag = false;
		}

		// Open tag
		txtarea.value += bbtags[bbnumber];
		if ((bbnumber == 14) && (imageTag == false)) imageTag = 1; // Check to stop additional tags after an unclosed image tag
		arraypush(bbcode,bbnumber+1);
		eval('document.post.addbbcode'+bbnumber+'.value += "*"');
		txtarea.focus();
		return;
	}
	storeCaret(txtarea);
}

// From http://www.massless.org/mozedit/
function mozWrap(txtarea, open, close)
{
	var selLength = txtarea.textLength;
	var selStart = txtarea.selectionStart;
	var selEnd = txtarea.selectionEnd;
	if (selEnd == 1 || selEnd == 2)
		selEnd = selLength;

	var s1 = (txtarea.value).substring(0,selStart);
	var s2 = (txtarea.value).substring(selStart, selEnd)
	var s3 = (txtarea.value).substring(selEnd, selLength);
	txtarea.value = s1 + open + s2 + close + s3;
	return;
}

// Insert at Claret position. Code from
// http://www.faqts.com/knowledge_base/view.phtml/aid/1052/fid/130
function storeCaret(textEl) {
	if (textEl.createTextRange) textEl.caretPos = document.selection.createRange().duplicate();
}

//-->

function validate_required(field,alerttxt)
{
with (field)
{
if (value==null||value=="")
  {alert(alerttxt);return false;}
else {return true}
}
}

function validate_form(thisform)
{
with (thisform)
{
if (validate_required(title,"La noticia debe tener titulo!")==false)
  {title.focus();return false;}
}
}