pageLoaded = false;

function doLoadProc() {
	pageLoaded = true;
}

function swapImg(imgName, preloadedImgName) {
	document[imgName].src = eval(preloadedImgName).src;
}

function preload(imgSrc) {
	img = new Image();
	img.src = imgSrc;
	return img;
}

var popupWindow = null;

function popup(url, features, width, height, x, y)
{
	if(popupWindow != null && !popupWindow.closed)
		popupWindow.close();
	
	popupWindow = window.open(url, "popupWindow", features+",width="+width+",height="+height+",screenX="+x+",screenY="+y);
	
	return popupWindow;
}

fremont1 = new Image(); fremont1.src="/common/images/fremont_map_zoom.gif";
fremont0 = new Image(); fremont0.src="/common/images/fremont_map.gif";
plymouth1 = new Image(); plymouth1.src="/common/images/plymouth_map_zoom.gif";
plymouth0 = new Image(); plymouth0.src="/common/images/plymouth_map.gif";
brooklyn1 = new Image(); brooklyn1.src="/common/images/brooklyn_map_zoom.gif";
brooklyn0 = new Image(); brooklyn0.src="/common/images/brooklyn_map.gif";
edison1 = new Image(); edison1.src="/common/images/edison_map_zoom.gif";
edison0 = new Image(); edison0.src="/common/images/edison_map.gif";
zoomfremont1 = new Image(); zoomfremont1.src="/common/images/zoomIn.gif";
zoomfremont0 = new Image(); zoomfremont0.src="/common/images/zoomOut.gif";
zoomplymouth1 = zoomfremont1;
zoomplymouth0 = zoomfremont0;
zoombrooklyn1 = zoomplymouth1;
zoombrooklyn0 = zoomplymouth0;
zoomedison1 = zoombrooklyn1;
zoomedison0 = zoombrooklyn0;

fremontTrack = 0;
plymouthTrack = 0;
brooklynTrack = 0;
edisonTrack = 0;

function swapFremont() {
    if (fremontTrack == 0) {
        document.fremont.src = fremont1.src;
        document.zoomfremont.src = zoomfremont0.src;
        fremontTrack = 1;
    } else {
        document.fremont.src = fremont0.src;
        document.zoomfremont.src = zoomfremont1.src;
        fremontTrack = 0;
    }           
}
function swapPlymouth() {
    if (plymouthTrack == 0) {
        document.plymouth.src = plymouth1.src;
        document.zoomplymouth.src = zoomplymouth0.src;
        plymouthTrack = 1;
    } else {
        document.plymouth.src = plymouth0.src;
        document.zoomplymouth.src = zoomplymouth1.src;
        plymouthTrack = 0;
    }           
}
function swapBrooklyn() {
    if (brooklynTrack == 0) {
        document.brooklyn.src = brooklyn1.src;
        document.zoombrooklyn.src = zoombrooklyn0.src;
        brooklynTrack = 1;
    } else {
        document.brooklyn.src = brooklyn0.src;
        document.zoombrooklyn.src = zoombrooklyn1.src;
        brooklynTrack = 0;
    }           
}
function swapEdison() {
    if (edisonTrack == 0) {
        document.edison.src = edison1.src;
        document.zoomedison.src = zoomedison0.src;
        edisonTrack = 1;
    } else {
        document.edison.src = edison0.src;
        document.zoomedison.src = zoomedison1.src;
        edisonTrack = 0;
    }           
}