/**
* phpBB3 forum functions
*/

/**
* $ by Néstor
*/
	function $(s) { return document.getElementById(s); }

/**
* abreNovaJanela by Néstor
*/
	function abreNovaJanelaConfirmacao(e) {
		var msg = 'ATENÇÃO: A página solicitada está fora de nosso servidor.\nNão nos responsabilizamos pelo seu conteúdo!\n\nDeseja continuar?';
			
		// gera aviso
		if (confirm(msg)) {
			// aceito: abre nova janela
			return abreNovaJanela(e);
		} else
			// não aceito: não abre link
			return false;
	}

	function abreNovaJanela(e) {
		if(typeof(e) == 'undefined') var e = window.event;
		source = e.target ? e.target : e.srcElement;
		if(source.nodeType == 3) source = source.parentNode;
		// validação se tag é A
		if (source.nodeName != 'A') source = source.parentNode;
		// verifica se tem link, caso contrário cai fora
		if (source.href) {
			var theWindow = window.open(source.href);
			theWindow.focus();
			return false;
		}
	}
	
/**
* externalLinks by Néstor
* -----------------------------------
* abre links externos em nova janela
*/
	function externalLinks() {
		//* inicio eventos para links externos *//
		var trustedDomains = new Array('nfbriano.com', 'phpbb.com');
		var achou = false;
		if (location.hostname == 'localhost') // verifica o nome do host atual
			var currHost = 'localhost'; // ambiente de testes
		else
			var currHost = 'terminologia.com.br'; // ambiente de produção
		var links = document.getElementsByTagName('a');

		// barre todos os links da pagina atual
		for(var x=0; x<links.length; x++) {
			achou = false;
			// verifica se não é email e seu dominio
			if (links[x].href.search(/mailto:/i) != 0 && !links[x].href.match(currHost)) {
				// este link aponta para fora do site: abre em nova janela
				// agora verifica se é um dos domínios permitidos
				for(var z=0; z<trustedDomains.length; z++)
					if (links[x].href.match(trustedDomains[z])) {
						links[x].onclick = abreNovaJanela; // link externo permitido
						achou = true;
						break;
					}
				if (!achou)
					links[x].onclick = abreNovaJanelaConfirmacao; // link externo desconhecido
			} // if
		} // for

		//* fim eventos para links externos *//
	}

/**
* Window popup
*/
function popup(url, width, height, name)
{
	if (!name)
	{
		name = '_popup';
	}

	window.open(url.replace(/&amp;/g, '&'), name, 'height=' + height + ',resizable=yes,scrollbars=yes, width=' + width);
	return false;
}

/**
* Jump to page
*/
function jumpto()
{
	var page = prompt(jump_page, on_page);

	if (page !== null && !isNaN(page) && page > 0)
	{
		document.location.href = base_url.replace(/&amp;/g, '&') + '&start=' + ((page - 1) * per_page);
	}
}

/**
* Mark/unmark checklist
* id = ID of parent container, name = name prefix, state = state [true/false]
*/
function marklist(id, name, state)
{
	var parent = document.getElementById(id);
	if (!parent)
	{
		eval('parent = document.' + id);
	}

	if (!parent)
	{
		return;
	}

	var rb = parent.getElementsByTagName('input');
	
	for (var r = 0; r < rb.length; r++)
	{	
		if (rb[r].name.substr(0, name.length) == name)
		{
			rb[r].checked = state;
		}
	}
}

/**
* Resize viewable area for attached image or topic review panel (possibly others to come)
* e = element
*/
function viewableArea(e, itself)
{
	if (!e) return;
	if (!itself)
	{
		e = e.parentNode;
	}
	
	if (!e.vaHeight)
	{
		// Store viewable area height before changing style to auto
		e.vaHeight = e.offsetHeight;
		e.vaMaxHeight = e.style.maxHeight;
		e.style.height = 'auto';
		e.style.maxHeight = 'none';
		e.style.overflow = 'visible';
	}
	else
	{
		// Restore viewable area height to the default
		e.style.height = e.vaHeight + 'px';
		e.style.overflow = 'auto';
		e.style.maxHeight = e.vaMaxHeight;
		e.vaHeight = false;
	}
}

/**
* Set display of page element
* s[-1,0,1] = hide,toggle display,show
*/
function dE(n, s)
{
	var e = document.getElementById(n);

	if (!s)
	{
		s = (e.style.display == '' || e.style.display == 'block') ? -1 : 1;
	}
	e.style.display = (s == 1) ? 'block' : 'none';
}

/**
* Alternate display of subPanels
*/
function subPanels(p)
{
	var i, e, t;

	if (typeof(p) == 'string')
	{
		show_panel = p;
	}

	for (i = 0; i < panels.length; i++)
	{
		e = document.getElementById(panels[i]);
		t = document.getElementById(panels[i] + '-tab');

		if (e)
		{
			if (panels[i] == show_panel)
			{
				e.style.display = 'block';
				if (t)
				{
					t.className = 'activetab';
				}
			}
			else
			{
				e.style.display = 'none';
				if (t)
				{
					t.className = '';
				}
			}
		}
	}
}

/**
* Call print preview
*/
function printPage()
{
	if (is_ie)
	{
		printPreview();
	}
	else
	{
		window.print();
	}
}

/**
* Show/hide groups of blocks
* c = CSS style name
* e = checkbox element
* t = toggle dispay state (used to show 'grip-show' image in the profile block when hiding the profiles) 
*/
function displayBlocks(c, e, t)
{
	var s = (e.checked == true) ?  1 : -1;

	if (t)
	{
		s *= -1;
	}

	var divs = document.getElementsByTagName("DIV");

	for (var d = 0; d < divs.length; d++)
	{
		if (divs[d].className.indexOf(c) == 0)
		{
			divs[d].style.display = (s == 1) ? 'none' : 'block';
		}
	}
}

function selectCode(a)
{
	// Get ID of code block
	var e = a.parentNode.parentNode.getElementsByTagName('CODE')[0];

	// Not IE
	if (window.getSelection)
	{
		var s = window.getSelection();
		// Safari
		if (s.setBaseAndExtent)
		{
			s.setBaseAndExtent(e, 0, e, e.innerText.length - 1);
		}
		// Firefox and Opera
		else
		{
			var r = document.createRange();
			r.selectNodeContents(e);
			s.removeAllRanges();
			s.addRange(r);
		}
	}
	// Some older browsers
	else if (document.getSelection)
	{
		var s = document.getSelection();
		var r = document.createRange();
		r.selectNodeContents(e);
		s.removeAllRanges();
		s.addRange(r);
	}
	// IE
	else if (document.selection)
	{
		var r = document.body.createTextRange();
		r.moveToElementText(e);
		r.select();
	}
}

/**
* Play quicktime file by determining it's width/height
* from the displayed rectangle area
*/
function play_qt_file(obj)
{
	var rectangle = obj.GetRectangle();

	if (rectangle)
	{
		rectangle = rectangle.split(',');
		var x1 = parseInt(rectangle[0]);
		var x2 = parseInt(rectangle[2]);
		var y1 = parseInt(rectangle[1]);
		var y2 = parseInt(rectangle[3]);

		var width = (x1 < 0) ? (x1 * -1) + x2 : x2 - x1;
		var height = (y1 < 0) ? (y1 * -1) + y2 : y2 - y1;
	}
	else
	{
		var width = 200;
		var height = 0;
	}

	obj.width = width;
	obj.height = height + 16;

	obj.SetControllerVisible(true);
	obj.Play();
}
