// function for roll-overs
function makeArray() { // JS1.0-compatible
	var args = makeArray.arguments;
		for (var i = 0; i < args.length; i++) {	this[i] = args[i]; }
	this.length = args.length;
}

// preload all images in the array 'imageNames'
function preload() {
	if (document.images && imageNames) {
		var imagesOn = new Array();
		for ( var i=0 ; i<imageNames.length ; i++ ) {
			imagesOn[i] = new Image();
			imagesOn[i].src = (imagePrefix + imageNames[i] + imageOnSuffix);
		}
	}
}

function img_over(target) {
	if (document.images) { document.images[target].src = (imagePrefix + target + imageOnSuffix); }
}

function img_off(target) {
	if (document.images) { document.images[target].src = (imagePrefix + target + imageOffSuffix); }
}

onload = "preload();";
var imagePrefix	=	"/core/images/";
var imageOnSuffix =	"_over.gif";
var imageOffSuffix =	"_off.gif";	
var imageNames = new makeArray(
	"nav_about_unstoppable",
	"nav_redefining_through_hidden_assets",
	"nav_cycle_of_business",
	"nav_about_chris_zook",
	"nav_related_writings",
	"nav_for_the_media",
        "top_nav_BTC",
        "top_nav_PFTC",
        "top_nav_unstoppable",
        "nav_about_profit_core",
        "nav_how_to_grow",
        "nav_where_to_grow",
        "nav_about_beyond_the_core",
        "nav_the_growth_crisis"
	);


// function for pop-up windows
function newWindow(url,NewWin){window.open(url,NewWin,'menubar=no,scrollbars=yes,toolbar=no,width=617,height=500,screenX=500,screenY=500');}