currentPie = 0

function showImageLayer(layer) {

	layer = layer + "ImageLayer"
	
	if (layer != currentPie && currentPie !=0) {

		if (document.getElementById) {
			document.getElementById(currentPie).style.visibility = "hidden"
		} else if (document.layers) {
			document.layers[currentPie].visibility = "hide"
		} else if (document.all && !document.getElementById) {
			document.all[currentPie].style.visibility = "hidden"
		}
	}
	
	if (document.getElementById) {
		document.getElementById(layer).style.visibility = "visible"
	} else if (document.layers) {
		document.layers[layer].visibility = "show"
	} else if (document.all && !document.getElementById) {
		document.all[layer].style.visibility = "visible"
	}

	currentPie = layer

}

function hideImageLayer() {
	if (currentPie !=0) {
		if (document.getElementById) {
			document.getElementById(currentPie).style.visibility = "hidden"
		} else if (document.layers) {
			document.layers[currentPie].visibility = "hide"
		} else if (document.all && !document.getElementById) {
			document.all[currentPie].style.visibility = "hidden"
		}
	}
	currentPie=0
}

currentText = "mainTextLayer"

function showTextLayer(layer) {

	layer = layer + "TextLayer"
	
	//if (layer != currentText && currentText !=0) {

		if (document.getElementById) {
			document.getElementById(currentText).style.visibility = "hidden"
		} else if (document.layers) {
			document.layers[currentText].visibility = "hide"
		} else if (document.all && !document.getElementById) {
			document.all[currentText].style.visibility = "hidden"
		}
	//}
	
	if (document.getElementById) {
		document.getElementById(layer).style.visibility = "visible"
	} else if (document.layers) {
		document.layers[layer].visibility = "show"
	} else if (document.all && !document.getElementById) {
		document.all[layer].style.visibility = "visible"
	}

	currentText = layer

}