var bIE4 = document.all && !document.getElementsByTagName

		var strImagePath = "../images/"
		var strImgChannelOpenHTML = "<img src='" + strImagePath + "channelopen.gif' class='nav-secondary'>";
		var strImgChannelClosedHTML = "<img src='" + strImagePath + "channelclosed.gif' class='nav-secondary'>";
		var strToggleIDSuffix = "x"

		function toggleLayer(nID) {

			var pLayer;
			var pToggle;
			
			if (bIE4) {
				pLayer = document.all.item(nID);
				pToggle = document.all.item(nID + strToggleIDSuffix);
			} else {
				pLayer = document.getElementById(nID);
				pToggle = document.getElementById(nID + strToggleIDSuffix);
			}
			
			if (pLayer.style.display != "none") {
				pLayer.style.display = "none";
				pToggle.innerHTML = strImgChannelClosedHTML;
			} else {
				pLayer.style.display = "block";
				pToggle.innerHTML=strImgChannelOpenHTML;
			}
		}

		function actionLayer(bExpand) {

			var pLayers;
			var pToggle;
			var strStyleDisplay;
			var strInnerHTML;
			var i;
			
			if (bIE4) {
				pLayers = document.all.tags("ul");
			} else {
				pLayers = document.getElementsByTagName("ul");
			}
			
			if (bExpand) {
				strStyleDisplay = "block";
				strInnerHTML = strImgChannelOpenHTML;
			} else {
				strStyleDisplay = "none";
				strInnerHTML = strImgChannelClosedHTML;
			}
			
			if (bIE4) {
				for (i = 0; i < pLayers.length; i++) {
					pToggle = document.all.item(pLayers[i].id + strToggleIDSuffix);
					if (pToggle) {
						pLayers[i].style.display = strStyleDisplay;
						pToggle.innerHTML = strInnerHTML;
					}
				}
			} else {
				for (i = 0; i < pLayers.length; i++) {
					pToggle = document.getElementById(pLayers[i].id + strToggleIDSuffix);
					if (pToggle) {
						pLayers[i].style.display = strStyleDisplay;
						pToggle.innerHTML = strInnerHTML;
					}
				}
			}
		}