var layerRef1="null";
var layerRef2 = "null";
var styleSwitch="null";

function initDropDowns() {
	// Navigator check.
	if(document.layers) {
		layerRef1="document.layers.";
		layerRef2="";
		styleSwitch="";
		document.layers.sub1corp.document.write('<a href="corporate.jsp" onMouseOut="javascript: rolloverCorporateSub1(true);" onMouseOver="javascript: rolloverCorporateSub1(false);"><img name="corporateSub1" src="images/corporate_sub1.gif" border="0"></a>');
		document.layers.sub1corp.document.close();
		document.layers.sub2corp.document.write('<a href="marketing_materials.jsp" onMouseOut="javascript: rolloverCorporateSub2(true);" onMouseOver="javascript: rolloverCorporateSub2(false);"><img name="corporateSub2" src="images/corporate_sub2.gif" border="0"></a>');
		document.layers.sub2corp.document.close();
	}
	else {
		layerRef1="document.getElementById('";
		layerRef2="')";
		styleSwitch=".style";
		document.getElementById("sub1corp").innerHTML='<a href="corporate.jsp"><img name="corporateSub1" src="images/corporate_sub1.gif" border="0" onMouseOut="javascript: rolloverCorporateSub1(true);" onMouseOver="javascript: rolloverCorporateSub1(false);"></a>';
		document.getElementById("sub2corp").innerHTML='<a href="marketing_materials.jsp"><img name="corporateSub2" src="images/corporate_sub2.gif" border="0" onMouseOut="javascript: rolloverCorporateSub2(true);" onMouseOver="javascript: rolloverCorporateSub2(false);"></a>';
	}
}

function rolloverCorporateSub1(mouseOut) {
	if(mouseOut) {
		// Navigator check.
		if(document.layers) document.layers['sub1corp'].document.images['corporateSub1'].src = "images/corporate_sub1.gif";
		else document.images['corporateSub1'].src = "images/corporate_sub1.gif";
		hidemenu();
	}
	else {
		// Navigator check.
		if(document.layers) document.layers['sub1corp'].document.images['corporateSub1'].src = "images/corporate_sub1_rollover.gif";
		else document.images['corporateSub1'].src = "images/corporate_sub1_rollover.gif";
		showmenu();
	}
}

function rolloverCorporateSub2(mouseOut) {
	if(mouseOut) {
		// Navigator check.
		if(document.layers) document.layers['sub2corp'].document.images['corporateSub2'].src = "images/corporate_sub2.gif";
		else document.images['corporateSub2'].src = "images/corporate_sub2.gif";
		hidemenu();
	}
	else {
		// Navigator check.
		if(document.layers) document.layers['sub2corp'].document.images['corporateSub2'].src = "images/corporate_sub2_rollover.gif";
		else document.images['corporateSub2'].src = "images/corporate_sub2_rollover.gif";
		showmenu();
	}
}

function getImageX(img) {
	// Navigator check.
	if(document.layers) return eval(img).x;
	
	xPos = eval(img).offsetLeft;
	tempEl = eval(img).offsetParent;
	while (tempEl != null) {
		xPos += tempEl.offsetLeft;
		tempEl = tempEl.offsetParent;
	}
	return xPos;
}

function getImageY(img) {
	// Navigator check.
	if(document.layers) return eval(img).y;
	
	yPos = eval(img).offsetTop;
	tempEl = eval(img).offsetParent;
	while (tempEl != null) {
		yPos += tempEl.offsetTop;
		tempEl = tempEl.offsetParent;
	}
	return yPos;
}

function showmenu() {
	img = document.images['corporateImage'];
	eval(layerRef1 + "sub1corp" + layerRef2 + styleSwitch + ".visibility='visible'");
	eval(layerRef1 + "sub1corp" + layerRef2 + styleSwitch + ".left=" + getImageX(img));
	eval(layerRef1 + "sub1corp" + layerRef2 + styleSwitch + ".top=" + (getImageY(img) + 16));
	eval(layerRef1 + "sub2corp" + layerRef2 + styleSwitch + ".visibility='visible'");
	eval(layerRef1 + "sub2corp" + layerRef2 + styleSwitch + ".left=" + getImageX(img));
	eval(layerRef1 + "sub2corp" + layerRef2 + styleSwitch + ".top=" + (getImageY(img) + 32));
}

function hidemenu() {
	eval(layerRef1 + "sub1corp" + layerRef2 + styleSwitch + ".visibility='hidden'");
	eval(layerRef1 + "sub2corp" + layerRef2 + styleSwitch + ".visibility='hidden'");
}