var lm = 0;

function setVisible(cm)
{
	if (eval("document.getElementById('mFrame" + cm + "')"))
	if (eval("menu_box" + cm + ".document.getElementById('sm" + cm + "')"))
	{
		eval("document.getElementById('mFrame" + cm + "').style.visibility = 'visible'");

		eval("menu_box" + cm + ".document.getElementById('sm" + cm + "').style.visibility = 'visible'");

		menu = eval("document.getElementById('menu" + cm + "')");

		if (cm >= 15)
			menu.style.background = "#F0F0F0 url(../images/menubg.gif) no-repeat";
		else if (cm == 5 || cm == 10)
			menu.style.background = "#F0F0F0 url(images/menubg2.gif) no-repeat";
		else if (cm == 7)
			menu.style.background = "#F0F0F0 url(images/menubg.gif) no-repeat";
		else if (cm == 4 || cm == 6 || cm == 9)
			menu.style.background = "#F0F0F0 url(images/menubg3.gif) no-repeat";
		else
			menu.style.background = "#F0F0F0 url(images/menubg4.gif) no-repeat";

		menu.style.color = "black";

		lm = cm;
	}
}

function setHidden()
{
	if (eval("document.getElementById('mFrame" + lm + "')"))
	if (eval("menu_box" + lm + ".document.getElementById('sm" + lm + "')"))
	{
		eval("document.getElementById('mFrame" + lm + "').style.visibility = 'hidden'");

		eval("menu_box" + lm + ".document.getElementById('sm" + lm + "').style.visibility = 'hidden'");

		menu = eval("document.getElementById('menu" + lm + "')");

		if (lm >= 15)
			menu.style.background = "black url(../images/menubg.gif) no-repeat";
		else if (lm == 5 || lm == 10)
			menu.style.background = "black url(images/menubg2.gif) no-repeat";
		else if (lm == 7)
			menu.style.background = "black url(images/menubg.gif) no-repeat";
		else if (lm == 4 || lm == 6 || lm == 9)
			menu.style.background = "black url(images/menubg3.gif) no-repeat";
		else
			menu.style.background = "black url(images/menubg4.gif) no-repeat";

		menu.style.color = "white";
	}
}

function setSubVisible(cm)
{
	eval("document.getElementById('sFrame" + cm + "').style.visibility = 'visible'");
	eval("sub_box" + cm + ".document.getElementById('ssm" + cm + "').style.visibility = 'visible'");
}

function setSubHidden(cm)
{
    	eval("document.getElementById('sFrame" + cm + "').style.visibility ='hidden'");
    	eval("sub_box" + cm + ".document.getElementById('ssm" + cm + "').style.visibility = 'hidden'");
}