var banner_atual = 1;

function $(id) { return document.getElementById(id); }

function tryPlayFlash() {
	if (document.embeds[0])	{
		if (document.embeds[0].Play) document.embeds[0].Play();
		else alert('Cannot communicate with ActionScript')
	}
	else alert('Can\'t find the Flash movie')
}

function anterior(){
  var valor = --banner_atual;
  if (valor == 0) {
  	valor = 4;
		banner_atual=4;
  }
  flash_banner(valor);
}

function proximo() {
  var valor = ++banner_atual;
  if (valor==5) {
  	valor = 1;
		banner_atual=1;
  }
  flash_banner(valor);
}

function flash_banner(valor){
  banner_atual=valor;
  // retira negritos
  $('controlador').innerHTML = $('controlador').innerHTML.replace(/<strong\sclass=(")?rrr\1>(0\d+)<\/strong>/gi, '$2');
  // deixa o link atual em negrito
  $('controlador').innerHTML = $('controlador').innerHTML.replace(new RegExp('>(0'+valor+')'), '><strong class="rrr">$1</strong>');
  // muda o flash
  var flash = '<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=8,0,22,0" width="706" height="350">';
  flash += '<param name="movie" value="/site/v3/banners/bannergaren0'+valor+'.swf" /> ';
  flash += '<param name="quality" value="high" /><param name="bgcolor" value="#FFFFFF" />';
  flash += '<!--[if !IE]> <-->';
  flash += '<object data="/site/v3/banners/bannergaren0'+valor+'.swf" width="706" height="350" type="application/x-shockwave-flash">';
  flash += '<param name="quality" value="high" />';
  flash += '<param name="bgcolor" value="#FFFFFF" />';
  flash += '<param name="pluginurl" value="http://www.macromedia.com/go/getflashplayer" />';
  flash += '</object>';
  flash += '<!--> <![endif]-->';
  flash += '</object>';	
	$('flash').innerHTML = flash;  
}