// Utils
// -----
function popup(url) {
    win = window.open(
	url, "popup",
	"alwaysRaised,height=300,width=500,scrollbars,resizable"
    )
    if (win == null) {
	alert(
	    "Creating popup windows is disabled in your browser\n" +
	    "Please enable popups, or use relevant menu picks\n" +
	    "to view requested information"
	)
    }
}

function loadImg(src) {
    img = new Image()
    img.src = src
    return img
}

function addInitHandler(func) {
    initHandlerArr[initHandlerArr.length] = func
}

function init() {
    for (var i = 0; i < initHandlerArr.length; i++) {
	var func = initHandlerArr[i]
	if (func != null) {
	    func()
	}
    }
}

initHandlerArr = new Array()