function cor(aux) {
  var tx = document.getElementById("text");
  tx.style.color="#" + aux;
}

	 

function tam_texto(tm){
       
    document.getElementById('text').style.fontSize=tm+'px';

}
	 
function stilo(tipo){
  tx = document.getElementById('text');
  if(tipo == 'b'){
     tx.style.fontWeight = "bold";
	 document.getElementById('a_negrito').style.display = "none";
	 document.getElementById('print_negrito').innerHTML = "<a onclick=\"javascript:voltar_estilo('b')\"><img src=\"images_2/ico_negrito_h.gif\" alt=\"Tirar Negrito\" /></a>";
  }
  if(tipo == 'b2'){
     tx.style.fontWeight = "bold";
     document.getElementById('a_negrito').style.display = "none";
	 document.getElementById('print_negrito').style.display = "inline";
     document.getElementById('print_negrito').innerHTML = "<a onclick=\"javascript:voltar_estilo('b')\"><img src=\"images_2/ico_negrito_h.gif\" alt=\"Tirar Negrito\" /></a>";
  }
  if(tipo == 'i'){
     tx.style.fontStyle = "italic";
	 document.getElementById('a_italico').style.display = "none";
	 document.getElementById('print_italico').innerHTML = "<a onclick=\"javascript:voltar_estilo('i')\"><img src=\"images_2/ico_italico_h.gif\" alt=\"Tirar Itálico\" /></a>";
  }
  if(tipo == 'i2'){
     tx.style.fontStyle = "italic";
     document.getElementById('a_italico').style.display = "none";
	 document.getElementById('print_italico').style.display = "inline";
     document.getElementById('print_italico').innerHTML = "<a onclick=\"javascript:voltar_estilo('i')\"><img src=\"images_2/ico_italico_h.gif\" alt=\"Tirar Itálico\" /></a>";
  }
}
function voltar_estilo(tipo){
   if(tipo == 'b'){
     document.getElementById('text').style.fontWeight = "normal";
     document.getElementById('a_negrito').style.display = "inline";
	 document.getElementById('print_negrito').style.display = "none";
	 document.getElementById('a_negrito').innerHTML = "<a onclick=\"javascript:stilo('b2')\"><img src=\"images_2/ico_negrito.gif\" alt=\"Negrito\" /></a>";
   }
    if(tipo == 'i'){
     document.getElementById('text').style.fontStyle = "normal";
     document.getElementById('a_italico').style.display = "inline";
	 document.getElementById('print_italico').style.display = "none";
	 document.getElementById('a_italico').innerHTML = "<a onclick=\"javascript:stilo('i2')\"><img src=\"images_2/ico_italico.gif\" alt=\"Itálico\" /></a>";
   }

}

function mudar_cor_acorde(cor){
  var acordes=document.getElementsByTagName("tt");
  for(var x=0;x<acordes.length;x++){
      acordes[x].style.color = '#'+cor;
      }
	  
   var tamanho = document.getElementsByTagName("center");

   for(i=0;i<tamanho.length;i++){
      var anchor = tamanho[i];
	  if(anchor.className == 'cor_ac'){
	    anchor.style.color = '#'+cor;
	  } 
   }
}
function imprimir(){
  document.getElementById("tab-cores").style.display = "none";
  document.getElementById("print").style.margin = "0";
  document.getElementById("print").style.width = "740px";
  document.getElementById("tabela_tons").style.display = "none";
  var tamanho = document.getElementsByTagName("a");

   for(i=0;i<tamanho.length;i++){
      var anchor = tamanho[i];
	  if(anchor.className == 'variar'){
	    anchor.style.display= "none";
	  } 
   }
   
   var tamanho_span = document.getElementsByTagName("div");

   for(i=0;i<tamanho_span.length;i++){
      var anchor = tamanho_span[i];
	  if(anchor.className == 'pag'){
	    anchor.style.display= "none";
	  } 
   }
     
  window.print();
  
}

function ocultar_acordes(vez){
  var acordes=document.getElementsByTagName("tt");
  var tx = document.getElementById('text');

  if(vez == 's'){
      for(var x=0;x<acordes.length;x++){
      acordes[x].style.display = 'none';
	  tx.style.fontFamily = 'Trebuchet MS, Arial, Helvetica, sans-serif';
	  tx.style.lineHeight = '10px';
	  document.getElementById('ico_aculta_acorde').innerHTML = "<a href=\"#\" onclick=\"ocultar_acordes('a'); return false;\"><img src=\"images_2/ico_oa.gif\" align=\"middle\" alt=\"\" />Mostrar Acordes</a>";
	  document.getElementById('tabela_acordes').style.display = 'none';
	  document.getElementById('ac').style.display = 'none';
      }
  }else{
      for(var x=0;x<acordes.length;x++){
      acordes[x].style.display = 'inline';
	  tx.style.fontFamily = '';
	  tx.style.lineHeight = '20px';
	  document.getElementById('ico_aculta_acorde').innerHTML = "<a href=\"#\" onclick=\"ocultar_acordes('s'); return false;\"><img src=\"images_2/ico_oa.gif\" align=\"middle\" alt=\"\" />Ocultar Acordes</a>";
	  document.getElementById('tabela_acordes').style.display = 'block';
	  document.getElementById('ac').style.display = 'block';
      }
  }
}