hpmoveon = new Image(); hpmoveon.src = folderLevel + "img/focus-move-1.jpg";
hpmoveoff = new Image(); hpmoveoff.src = folderLevel + "img/focus-move-0.jpg";
hparrowon = new Image(); hparrowon.src = folderLevel + "img/arrow_hp_r.gif";
hparrowoff = new Image(); hparrowoff.src = folderLevel + "img/arrow_hp_0.gif";
hpmarketon = new Image(); hpmarketon.src = folderLevel + "img/arrow_market_r.gif";
hpmarketoff = new Image(); hpmarketoff.src = folderLevel + "img/arrow_market_0.gif";

// preload homepage market images
var mktImages = new Array();
mktImages = ["default","homeland","military","petrochemical","biopharm","commercial","diagnostics","environmental"];
for (i=0;i<mktImages.length;i++) {
	eval("market_"+mktImages[i]+" = new Image();");
	eval("market_"+mktImages[i]+".src = \"img/markets_"+mktImages[i]+".jpg\";");
}

// this handles market arrows and photographs on homepage. pass market name and 'on' or 'off'
function doMarketSwitch(market, state)
{
	arrowImageName = "arrow_" + market;
	switchArrowTo = "hpmarket" + state;
	switchPictureTo = "market_" + market;
	
	if (state == "off") {
		switchPictureTo = "market_default";
	}
	
	changeLayeredImages(arrowImageName,switchArrowTo,"hpmarkets");
	changeLayeredImages("market_frame",switchPictureTo,"hpmarkets");
}