var nava = (document.layers);
var dom = (document.getElementById);
var iex = (document.all);

function txt(tex)
{
	if (nava) {
		text = document.tex;
		document.txt0.visibility = "hidden";
		document.txt1.visibility = "hidden";
		document.txt2.visibility = "hidden";
		document.txt3.visibility = "hidden";
		document.txt4.visibility = "hidden";
		document.txt5.visibility = "hidden";
		document.txt6.visibility = "hidden";
		document.txt7.visibility = "hidden";
		document.txt8.visibility = "hidden";
	}
	else if (dom) {
		text = document.getElementById(tex).style;
		document.getElementById("txt0").style.visibility = "hidden";
		document.getElementById("txt1").style.visibility = "hidden";
		document.getElementById("txt2").style.visibility = "hidden";
		document.getElementById("txt3").style.visibility = "hidden";
		document.getElementById("txt4").style.visibility = "hidden";
		document.getElementById("txt5").style.visibility = "hidden";
		document.getElementById("txt6").style.visibility = "hidden";
		document.getElementById("txt7").style.visibility = "hidden";
		document.getElementById("txt8").style.visibility = "hidden";
	}
	else if (iex) {
		text = tex.style;
		txt0.style.visibility = "hidden";
		txt1.style.visibility = "hidden";
		txt2.style.visibility = "hidden";
		txt3.style.visibility = "hidden";
		txt4.style.visibility = "hidden";
		txt5.style.visibility = "hidden";
		txt6.style.visibility = "hidden";
		txt7.style.visibility = "hidden";
		txt8.style.visibility = "hidden";
	}
	text.visibility = "visible";
}