// Validacao do Browser

//Detect Firefox 1.0+
firefox = (navigator.userAgent.indexOf("Firefox")!=-1)?true:false;
msie = (navigator.appVersion.indexOf("MSIE")!=-1)?true:false;
var msg
var msg1

function openPlayer(msg,msg1) {

	var urlLink = "http://www.senado.gov.br/sf/libras/libras.asp";

	var message = "";
	var i = 0;
	for(i;i<msg.length;i++){
		if (msg.charAt(i) == '\n' || msg.charCodeAt(i) == 10)
			message+= " " ;
		else
			message+= msg.charAt(i);
	}
	msg = urlEncode(message); // Alterado por solicitação do David

	//var w = 320, h = 258;
	var w = 200, h = 240;
	var winl = (screen.width - w) / 2, wint = (screen.height - h) / 2;
	var winprops = 'height='+h+',width='+w+',top='+wint+',left='+winl+',resizable=0,status=no,menu=no,toolbar=no,location=no';
	var applet = urlLink + "?msg=" + msg + "&msg1=" + msg1;
	var myWin = window.open(applet, 'Rybena', winprops) ;
	myWin.focus(); 
}

function urlEncode(str){	 // Incluído por solicitação do David

    str=escape(str);

    str=str.replace(new RegExp('\\+','g'),'%2B');

    return str.replace(new RegExp('%20','g'),'+');

}


function getPageSelection() {
	//Victor
	if(firefox){setSelection(window.getSelection())}

	msg1 = document.getElementById("selection1").value;

	if(window.getSelection && document.getElementById("selection").value != "") {
		msg = document.getElementById("selection").value;
		
		
		
		document.getElementById("selection").value = "";
	} else if(document.selection) msg = document.selection.createRange().text;
	else if (window.getSelection) msg = window.getSelection();
	else if (document.getSelection) msg = document.getSelection();

	if ( msg != '' && msg != null ) {
		msg = msg.replace(/\n/g, ' ');
		openPlayer(msg,msg1);
	}else alert('Favor selecionar um texto na página com o mouse e chamar o tradutor LIBRAS novamente.'); //MM_showHideLayers('nota','','show')
}

function setSelection(selectedText) {
	document.getElementById("selection").value = selectedText;
}

function MM_findObj(n, d) { //v4.0
  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 && document.getElementById) x=document.getElementById(n); return x;
}

function MM_showHideLayers() { //v3.0
  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; }
}