function imprime(){
    window.print()
}

function addBookmark(title, url){
        if (window.sidebar) { // firefox
              window.sidebar.addPanel(title, url,"");
        } else if( document.all ) { //MSIE
                window.external.AddFavorite( url, title);
        } else {
               alert("Sorry, your browser doesn't support this");
        }
}

tx = 3;
function TamFonte(soma, id)
{	
	tx += soma;
	if( tx < 1 )
	{
		tx = 1;
	}
	if( tx > 5)
	{
		tx = 5;
	}
	document.getElementById(id).className = "t"+tx
}
function MM_jumpMenu(targ,selObj,restore){ //v3.0
  eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");
  if (restore) selObj.selectedIndex=0;
}

function Tecla(e)
{
  if(document.all) // Internet Explorer
    var tecla = event.keyCode;
  else if(e.which) // Nestcape
    var tecla = e.which;
  if(tecla > 47 && tecla < 58) // numeros de 0 a 9
    return true;
  else
    {
      if (tecla != 8) // backspace
        return false;
      else
        return true;
    }
}