//var tgs = new Array('texto','texto1','texto2');

var szs = new Array('8','9','11','14','16','18','22');
var startSz = 2;

function ts(trgt,inc)
 {
  if (!document.getElementById) return
   var d = document, cEl = null, sz = startSz, i, j, cTags;
  sz += inc;
  if ( sz < 0 )
   sz = 0;
  if ( sz > 6 )
   sz = 6;
  startSz = sz;

  //if ( !( cEl = d.getElementById( trgt ) ) ) 
  // cEl = d.getElementsByTagName( trgt )[ 0 ];
  //cEl.style.fontSize = szs[ sz ];
  for ( i = 0 ; i < trgt.length ; i++ )
   {
    if ( !( cEl = d.getElementById( trgt[i] ) ) ) 
     cEl = d.getElementsByTagName( trgt[i] )[ 0 ];
    cEl.style.fontSize = szs[ sz ];
    cTags = cEl.getElementsByTagName( trgt[ i ] );
    for ( j = 0 ; j < cTags.length ; j++ )
     cTags[ j ].style.fontSize = szs[ sz ];
   }
 }

function ImprimirConteudo()
 {
  janela = open("","","status=no,menubar=no,toolbar=no,scrollbars=yes,width=680,height=500");
  janela.document.open();
  janela.document.write('<');
  janela.document.write('script language="JavaScript">');
  janela.document.write('function printPage()');
  janela.document.write('{');
  janela.document.write('window.print();');
  janela.document.write('window.close();');
  janela.document.write('}');
  janela.document.write('<');
  janela.document.write('/script>');
  janela.document.write('<html>');
  janela.document.write('<head>');
  janela.document.write('<title>Impressão</title>');
  janela.document.write('<link href="estilo.css" rel="stylesheet" type="text/css">');
  janela.document.write('</head>');
  janela.document.write('<body>');
  //janela.document.write('<body onload="printPage()">');
  janela.document.write(tabelaPrincipalImpressao.innerHTML) ;
  janela.document.write('</body></html>');
  janela.document.close();
 }
