// Aumenta Reduz / Aumenta Fonte

var intContaTam = 0;
	var vetFonte = new Array ();
	vetFonte [0] = "100";
	vetFonte [1] = "110";
	vetFonte [2] = "120";
	vetFonte [3] = "135";
	vetFonte [4] = "150";

	function areaTexto (strAD) {

		if (strAD=="A") {
			intContaTam++;
			if (intContaTam>=vetFonte.length)
				intContaTam = vetFonte.length-1;
			document.all.areaTexto.style.fontSize = vetFonte[intContaTam]+"%";
		} else {
			intContaTam--;
			if (intContaTam<0)
				intContaTam=0;
			document.all.areaTexto.style.fontSize = vetFonte[intContaTam]+"%";
		}
	}
function clearDefault(event) {
  if (event.defaultValue==event.value) event.value = ""
}