// Layer Switch Script - By: Richard Wilson, www.richardwilson.ws
var browser = "";
if (navigator.userAgent.indexOf("Opera")!=-1 && document.getElementById) {browser = "OP";}
else if (document.all) {browser = "IE"; var id1 = "";}
else if (document.layers) {browser = "NN"; var id1 = "default";}
else if (!document.all && document.getElementById) {browser = "MO"; var id1 = "default";}
else {browser = "IE";}
function showHideLayer(action1, action2, id2, action3, action4){
	if ((browser=="IE") && (id1 == "")) {
	eval("document.all." + id2 + ".style.visibility='" + action3 + "'");
	eval("document.all." + id2 + ".style.display='" + action4 + "'");
	}
	else if ((browser=="IE") && (id1 != "")) {
	eval("document.all." + id1 + ".style.visibility='" + action1 + "'");
	eval("document.all." + id1 + ".style.display='" + action2 + "'");
	eval("document.all." + id2 + ".style.visibility='" + action3 + "'");
	eval("document.all." + id2 + ".style.display='" + action4 + "'");
	}
	if (browser=="NN") {
	eval("document." + id1 + ".visibility='" + action1 + "'");
	eval("document." + id1 + ".display='" + action2 + "'");
	eval("document." + id2 + ".visibility='" + action3 + "'");
	eval("document." + id2 + ".display='" + action4 + "'");
	}
	if (browser=="MO" || browser=="OP") {
	eval("document.getElementById('" + id1 + "').style.visibility='" + action1 + "'");
	eval("document.getElementById('" + id1 + "').style.display='" + action2 + "'");
	eval("document.getElementById('" + id2 + "').style.visibility='" + action3 + "'");
	eval("document.getElementById('" + id2 + "').style.display='" + action4 + "'");
	}
id1 = id2;
}