// Validacao do Browser

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

function openPlayer(msg) {

	var urlLink = "../default/player_rybena.jsp";

	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 = message;

	var w = 176, h = 276;
	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';
	var applet = urlLink + "?msg=" + msg;
	var myWin = window.open(applet, 'Rybená', winprops) ;
	myWin.focus(); 
}

function getPageSelection() {

	var tipBrowser = 0;
	var msg= "";

	if(window.getSelection && document.getElementById("selection").value != "") {
		msg = document.getElementById("selection").value;
		document.getElementById("selection").value = "";
	} else if(document.selection) {
		tipBrowser = 1;
		msg = document.selection.createRange().text;
	} else if (window.getSelection) {
		tipBrowser = 2;
		msg = window.getSelection();
	} else if (document.getSelection) {
		tipBrowser = 3;
		msg = document.getSelection();
	}
	
	if ( msg == "" || msg == null ) {
		for(i=0;i<frames.length;i++) {
			switch (tipBrowser)
			{
				case 1:
					msg = frames[i].document.selection.createRange().text;
					break;
				case 2:
					msg = frames[i].getSelection();
					break;
				case 3:
					msg = frames[i].getSelection();
					break;
			}
		
			if ( msg != "" && msg != null ) break;
		}
	}

	if ( msg != "" && msg != null ) {
		msg = msg.replace(/\n/g, " ");
		openPlayer(msg);
	}
	else MM_showHideLayers('nota','','show')
}


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

function mudafonte(tipo) { 
  
	var bStop = false; 
	var i = 0;
	var tamAtual = 10;
	var tamanho = 10;

	while(!bStop) {

		if (i==0) {
			elementID = eval(document.getElementById("meutexto"));
			tamAtual = elementID.style.fontSize.substr(0,2);
	
			if (tamAtual == null || tamAtual.length ==0 )
				tamanho = 10;
			else
				tamanho = parseInt(tamAtual);
	
			if ( tipo == 0 && tamanho > 6)
				tamanho = tamanho - 1;
			if ( tipo == 1 && tamanho < 99)
				tamanho = tamanho + 1;

			tamanho = tamanho + "px";

		} else 
			elementID = eval(document.getElementById("meutexto" + i));

		if(elementID == null) { bStop = true; break; }

		elementID.style.fontSize=tamanho; 
		tipo=''; 
		i++;
	}
} 

function MM_reloadPage(init) {  //reloads the window if Nav4 resized
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}
MM_reloadPage(true);

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; }
}