function rollIn(who,what) {
	rollHolder="images/cm_roll" + what + ".gif";
	what="images/cm_map"+what+"a.gif";
	who.src=what;

	document.roller.src = rollHolder;
}

function rollOut(who,what) {
	what="images/cm_map"+what+".gif";
	who.src=what;
	document.roller.src = "images/cm_roll0.gif";
}

function rollIn2(who,what) {
	rollHolder="../images/cm_roll" + what + ".gif";
	what="../images/cm_map"+what+"a.gif";
	who.src=what;

	document.roller.src = rollHolder;
}

function rollOut2(who,what) {
	what="../images/cm_map"+what+".gif";
	who.src=what;
	document.roller.src = "../images/cm_roll0_sp.gif";
}

function doRoll(who,what) {
	what="imagenav/market_nav"+what+".gif";
	who.src=what;
}

function doRoll2(who,what) {
	what="../imagenav/market_nav"+what+".gif";
	who.src=what;
}

function goto_url(object) {
    window.location.href = object.options[object.selectedIndex].value;
}

function port_roll(imgNum) {
	//if (netscape == 1) {
		portRollHolder=eval("portRoll" + imgNum + ".src");
		document.portRoller.src = portRollHolder;
	//}
}