<!--
var NN4 = document.layers? true : false; //Netscape Navigator 4.x.

function swapLayer(hideLayer, showLayer) { //v1.0 - 09-Jul-05
// Hides the layer passed in hideLayer and displays the one passed in showLayer
// requires the currently visible layer to be stored in a variable named "top.currentLayer"
// define "top.currentLayer" before the function definition is loaded from file
// prevents the function from not knowing the top.currentLayer variable.

	if (NN4) {
		document.layers[hideLayer].visibility = "hidden";
		document.layers[showLayer].visibility = "show";
	}
	else  {
		document.all[hideLayer].style.visibility = "hidden";
		document.all[showLayer].style.visibility = "visible";
	} 
	top.currentLayer = showLayer; 
}
//-->