function launchHolisticModel() {
	var hModel = document.getElementById("holisticModelLayer")
	if(hModel) {hModel.style.visibility="visible"}
}

function closeHolisticModel() {
	var hModel = document.getElementById("holisticModelLayer")
	if(hModel) {hModel.style.visibility="hidden"}
}

function holisticModelOver(el) {
	el.style.backgroundColor = "#ffffff"
}

function holisticModelOut(el) {
	el.style.backgroundColor = "transparent"
}