var w3c = (document.getElementsById) ? 1:0;
var ie4 = (document.all) ? 1:0;

function callDiv(id) {
	if (ie4) {
		div = document.all[id].style;
	} else {
		div = document.getElementById(id).style;
	}
	
	return(div);
}

function show(id) {
	callDiv(id).visibility = "visible";
}

function hide(id) {
	callDiv(id).visibility = "hidden";
}

function subKill() {
	var i = 1;
	while (i < 7) {
		hide("sub0" + i);
		i++;
	}
	swap("company","company");
	swap("products","products");
	swap("applications","applications");
	swap("features","features");
	swap("software","software");
	swap("qanda","qanda");
}

function sub(i) {
	subKill();
	show("sub0" + i);
}

function swap(name,object) {
	document.images[name].src = eval(object + ".src");
}

function preload(object,source) {
	eval(object + " = new Image();");
	eval(object + ".src = \"" + source + "\";");
}

preload("applications","images/applications.gif");
preload("applications01","images/applications01.gif");
preload("company","images/company.gif");
preload("company01","images/company01.gif");
preload("features","images/features.gif");
preload("features01","images/features01.gif");
preload("products","images/products.gif");
preload("products01","images/products01.gif");
preload("qanda","images/qanda.gif");
preload("qanda01","images/qanda01.gif");
preload("software","images/software.gif");
preload("software01","images/software01.gif");

preload("airport","images/nav/airport.gif");
preload("airport01","images/nav/airport01.gif");
preload("alltime","images/nav/alltime.gif");
preload("alltime01","images/nav/alltime01.gif");
preload("alpha","images/nav/alpha.gif");
preload("alpha01","images/nav/alpha01.gif");
preload("casino","images/nav/casino.gif");
preload("casino01","images/nav/casino01.gif");
preload("comp","images/nav/company.gif");
preload("comp01","images/nav/company01.gif");
preload("damage","images/nav/damage.gif");
preload("damage01","images/nav/damage01.gif");
preload("dial","images/nav/dial.gif");
preload("dial01","images/nav/dial01.gif");
preload("tickets","images/nav/tickets.gif");
preload("tickets01","images/nav/tickets01.gif");

preload("digital","images/nav/digital.gif");
preload("digital01","images/nav/digital01.gif");
preload("lpr","images/nav/lpr.gif");
preload("lpr01","images/nav/lpr01.gif");
preload("employee","images/nav/employee.gif");
preload("employee01","images/nav/employee01.gif");
preload("handheld","images/nav/handheld.gif");
preload("handheld01","images/nav/handheld01.gif");
preload("hotel","images/nav/hotel.gif");
preload("hotel01","images/nav/hotel01.gif");
preload("mainmenu","images/nav/mainmenu.gif");
preload("mainmenu01","images/nav/mainmenu01.gif");
preload("mall","images/nav/mall.gif");
preload("mall01","images/nav/mall01.gif");
preload("mission","images/nav/mission.gif");
preload("mission01","images/nav/mission01.gif");
preload("offices","images/nav/offices.gif");
preload("offices01","images/nav/offices01.gif");
preload("other","images/nav/other.gif");
preload("other01","images/nav/other01.gif");
preload("patent","images/nav/patent.gif");
preload("patent01","images/nav/patent01.gif");
preload("point","images/nav/point.gif");
preload("point01","images/nav/point01.gif");
preload("pro","images/nav/pro.gif");
preload("pro01","images/nav/pro01.gif");
preload("request","images/nav/request.gif");
preload("request01","images/nav/request01.gif");
preload("residential","images/nav/residential.gif");
preload("residential01","images/nav/residential01.gif");
preload("support","images/nav/support.gif");
preload("support01","images/nav/support01.gif");
preload("text","images/nav/text.gif");
preload("text01","images/nav/text01.gif");
preload("valet","images/nav/valet.gif");
preload("valet01","images/nav/valet01.gif");
preload("vehicle","images/nav/vehicle.gif");
preload("vehicle01","images/nav/vehicle01.gif");
preload("vehicleP","images/nav/vehicleP.gif");
preload("vehicleP01","images/nav/vehicleP01.gif");