function menu_rollover(divid)
{
	document.getElementById(divid).style.backgroundColor='#58916c';
	document.getElementById(divid).style.backgroundImage='url(../images/menu_bg_over.gif)';
	document.getElementById(divid).style.backgroundRepeat='repeat-x';
}

function menu_rollout(divid)
{
	document.getElementById(divid).style.backgroundColor='#095f27';
	document.getElementById(divid).style.backgroundImage='url(../images/menu_bg.gif)';
	document.getElementById(divid).style.backgroundRepeat='repeat-x';
}

function sub_menu_rollover(divid)
{
	document.getElementById(divid).style.backgroundImage='url(../images/option_gradient_over.gif)';
}

function sub_menu_rollout(divid)
{
	document.getElementById(divid).style.backgroundImage='url(../images/option_gradient.gif)';
}

function bold_sub_menu_rollover(divid)
{
	document.getElementById(divid).style.backgroundImage='url(../images/bold_option_gradient_over.gif)';
}

function bold_sub_menu_rollout(divid)
{
	document.getElementById(divid).style.backgroundImage='url(../images/bold_option_gradient.gif)';
}

function showhide(layer_ref) {
	var state = 'none';
	if (state == 'block') {
	state = 'none';
	}
	else {
	state = 'block';
	}
	if (document.all) { //IS IE 4 or 5 (or 6 beta)
	eval( "document.all." + layer_ref + ".style.display = state");
	}
	if (document.layers) { //IS NETSCAPE 4 or below
	document.layers[layer_ref].display = state;
	}
	if (document.getElementById &&!document.all) {
	hza = document.getElementById(layer_ref);
	hza.style.display = state;
	}
	
	document.getElementById("sign_"+layer_ref).innerHTML="[-]";
}