var g_bIE4 = document.all && !document.getElementsByTagName;
var g_strImgChannelOpenHTML;
var g_strImgChannelClosedHTML;
var g_strImgChannelOpenSubHTML; 
var g_strImgChannelClosedSubHTML;
var g_strToggleIDSuffix = "x";

function toggleLayer(nID,submenu) {
    
   
    var pLayer;
	var pToggle;
	
	if (g_bIE4) {
		pLayer = document.all.item(nID);
		pToggle = document.all.item(nID + g_strToggleIDSuffix);
	} else {
		pLayer = document.getElementById(nID);
		pToggle = document.getElementById(nID + g_strToggleIDSuffix);
	}
	
	if (pLayer.style.display != "none") {
		pLayer.style.display = "none";
		pToggle.innerHTML = (submenu == 'False')?g_strImgChannelClosedHTML:g_strImgChannelClosedSubHTML;
	} else {
		pLayer.style.display = "block";
		pToggle.innerHTML = (submenu == 'False')?g_strImgChannelOpenHTML:g_strImgChannelOpenSubHTML;
	}

}