var tab;
tab=new Array("macc","msoc","mpdt","msol","mpre","mcon");
function sh(m)
{
var i=0;
for (i=0;i<=5;i++)
	{
	var j=tab[i];
	if (document.all)
		{document.all[j].style.visibility="hidden";}
	if (document.layers)
		{document.layers[j].visibility="hidden";}
	if (document.getElementById)
		{document.getElementById(j).style.visibility="hidden";}
	}
if (document.all)
	{document.all[m].style.visibility="visible";}
if (document.layers)
	{document.layers[m].visibility="visible";}
if (document.getElementById)
	{document.getElementById(m).style.visibility="visible";}
}

function show(m)
{
if (document.all)
	{document.all[m].style.visibility="visible";}
if (document.layers)
	{document.layers[m].visibility="visible";}
if (document.getElementById)
	{document.getElementById(m).style.visibility="visible";}
}

function hide(m)
{
if (document.all)
	{document.all[m].style.visibility="hidden";}
if (document.layers)
	{document.layers[m].visibility="hidden";}
if (document.getElementById)
	{document.getElementById(m).style.visibility="hidden";}
}