// Determine browser

	ns4 = (document.layers)? true:false

	ie4 = (document.all)? true:false

	ns6 = (!document.all && document.getElementById)? true:false

	

	// Define Netcape 4, IE4+ & Netscape 6 DOM variables

	if (ns4) {

		TagLabel = "layer"

	 	BackgroundColorLabel="bgcolor"

		YValueLabel = "pixeltop"

		VisibilityHidden = "hide"

		VisibilityShown = "show"

		DocumentObject = "layers"

		OpenObjBracket = "["

		CloseObjBracket = "]"

		//alert(document.getElementById.length); // for development - 

    } else {

		TagLabel = "div"

	 	BackgroundColorLabel="background-color"

		YValueLabel = "top"

		VisibilityHidden = "hidden"

		VisibilityShown = "visible"

		DocumentObject = "all"

		OpenObjBracket = "["

		CloseObjBracket = "]"

	}

	if (ns6) {

	 	DocumentObject = "getElementById"

		OpenObjBracket = "("

		CloseObjBracket = ")"

		//alert(document.all.length); // for development - 

	}

	

	NavType = "main"