/*
-----------------------------------------------------------
SHOW / HIDE LAYER
-----------------------------------------------------------
*/

function showlayer(layer){
	var myLayer = document.getElementById(layer).style.display;
	if(myLayer=="none"){
		document.getElementById(layer).style.display="block";
	} else { 
		document.getElementById(layer).style.display="none";
	}
}

/*
-----------------------------------------------------------
POPUPS centro/centro da tela
Uso: <a href="javascript:createWindow('ENDERECO_DO_ARQUIVO','NOME_DA_JANELA',largura,altura);">
-----------------------------------------------------------
*/

// Sem scroll
function createWindow(url, WinName, theWidth, theHeight){
	var winLeft = (screen.width - theWidth) / 2;
	var winTop = (screen.height - theHeight) / 2;
	window.open(url, WinName, 'titlebar.maximize=no, scrollbars=no, resizable=no, width=' + theWidth + ', height=' + theHeight + ', left=' + winLeft + ', top=' + winTop);
}

// Com scroll
function createScrollingWindow(url, WinName, theWidth, theHeight){
        var winLeft = (screen.width - theWidth) / 2;
        var winTop = (screen.height - theHeight) / 2;
        window.open(url, WinName, 'titlebar.maximize=no, scrollbars=yes, resizable=no, width=' + theWidth + ', height=' + theHeight + ', left=' + winLeft + ', top=' + winTop);
}

/*
-----------------------------------------------------------
REDIMENSIONA POPUPs ABERTAS
Uso no body: <body Onload="redimencionar();">
-----------------------------------------------------------
*/

function redimencionar() {
var largura=opener.screen.width;
var altura=opener.screen.height;
    if (navigator.appName == 'Netscape') {
         adjWidth = document.images[0].width+20;
         adjHeight = document.images[0].height;
    }
     else {
         adjWidth = document.images[0].width+10;
         adjHeight = document.images[0].height+30;
     }

  if(adjHeight>altura-20)
  {
  adjHeight=altura-50;
  }
    self.resizeTo(adjWidth, adjHeight);
	self.moveTo(largura/2-adjWidth/2,altura/2-adjHeight/2);
     return
}

/*
-----------------------------------------------------------
SIMPLE SWAP - MUDA IMAGENS NO MOUSEOVER
-----------------------------------------------------------
*/

// This is the implementation of SimpleSwap
// by Jehiah Czebotar
// Version 1.1 - June 10, 2005
// Distributed under Creative Commons
//
// Include this script on your page
// then make image rollovers simple like:
// <img src="/images/ss_img.gif" oversrc="/images/ss_img_over.gif">
//
// http://jehiah.com/archive/simple-swap
// 

function SimpleSwap(el,which){
  el.src=el.getAttribute(which || "origsrc");
}

function SimpleSwapSetup(){
  var x = document.getElementsByTagName("img");
  for (var i=0;i<x.length;i++){
    var oversrc = x[i].getAttribute("oversrc");
    if (!oversrc) continue;
      
    // preload image
    // comment the next two lines to disable image pre-loading
    x[i].oversrc_img = new Image();
    x[i].oversrc_img.src=oversrc;
    // set event handlers
    x[i].onmouseover = new Function("SimpleSwap(this,'oversrc');");
    x[i].onmouseout = new Function("SimpleSwap(this);");
    // save original src
    x[i].setAttribute("origsrc",x[i].src);
  }
	
  var y = document.getElementsByTagName("img");
  for (var i=0;i<y.length;i++){
    var clicksrc = y[i].getAttribute("clicksrc");
    if (!clicksrc) continue;
      
    // preload image
    // comment the next two lines to disable image pre-loading
    y[i].clicksrc_img = new Image();
    y[i].clicksrc_img.src=clicksrc;
    // set event handlers
    y[i].onclick = new Function("SimpleSwap(this,'clicksrc');");
    if(origsrc==clicksrc){
		y[i].onclick = new Function("SimpleSwap(this);");
	}
    // save original src
    y[i].setAttribute("origsrc",x[i].src);
  }

}

var PreSimpleSwapOnload =(window.onload)? window.onload : function(){};
window.onload = function(){PreSimpleSwapOnload(); SimpleSwapSetup();}
