function getStyleObject(layername) {
    if(document.getElementById && document.getElementById(layername)) {
	return document.getElementById(layername).style;
    } else if (document.all && document.all(layername)) {
	return document.all(layername).style;
    } else if (document.layers && document.layers[layername]) {
	return document.layers[layername];
    } else {
	return false;
    }
}

function changeObjectVisibility(layername, newVisibility) {
    var styleObject = getStyleObject(layername);
    if(styleObject) {
	styleObject.visibility = newVisibility;
	return true;
    } else {
	return false;
    }
}

function showMenu(layername) {
    (changeObjectVisibility(layername, 'visible'))
}

function hideAllMenus() {
	changeObjectVisibility('first','hidden');
	changeObjectVisibility('second','hidden');
}

// enter menu
function enterMenu(layername,imgCode){
	showMenu(layername);
	temp = imgCode + 'On';
	temp2 = imgCode;
	rollover(temp,temp2);
}

//exit menu
function exitMenu(layername,imgCode){
	hideAllMenus();
	temp = imgCode + 'Off';
	temp2 = imgCode;
	rollover(temp,temp2);
}

a1On=new Image();
a1On.src="menubar/a1_on.gif";
a1Off=new Image();
a1Off.src="menubar/a1.gif";

a2On=new Image();
a2On.src="menubar/a2_on.gif";
a2Off=new Image();
a2Off.src="menubar/a2.gif";

a3On=new Image();
a3On.src="menubar/a3_on.gif";
a3Off=new Image();
a3Off.src="menubar/a3.gif";

a4On=new Image();
a4On.src="menubar/a4_on.gif";
a4Off=new Image();
a4Off.src="menubar/a4.gif";

a5On=new Image();
a5On.src="menubar/a5_on.gif";
a5Off=new Image();
a5Off.src="menubar/a5.gif";

a6On=new Image();
a6On.src="menubar/a6_on.gif";
a6Off=new Image();
a6Off.src="menubar/a6.gif";

// general rollover function
function rollover(imgSwap,imgName) {
	imgSwap = eval(imgSwap + ".src");
	document [imgName].src = imgSwap;
	}

function gotoSubPage(whichLabel) {
	if ((isIEW) && (ShockMode == 1)) {
		document.all.flash.style.visibility = "visible";
		window.document.testMother.TGotoLabel("/", whichLabel);
		window.document.testMother.Play();
	} else {
		document.location.href = "/" + whichLabel + "/";
	}
}