function loadImage(path){
	var image = new Image;
	image.src = paths[i];
	return image;
}

function subdir(subdirs){
		var dir = "";
		if(subdirs > 0){
			for(i = 0; i < subdirs; i++){
				dir += "../";
			}
		}
		return dir;
	}

function preloadImages(subdirs){
	var subs = subdir(subdirs);
	var dir = subs+"images/";
	paths = new Array();
	paths[0] = dir	+	"tab.png";
	paths[1] = dir	+	"tab_hover.png";
	paths[2] = dir	+	"tab_shadow.png";

	dir = subs+"commercial/images/";
	paths[3] = dir	+	"nav_hover.jpg";
	paths[4] = dir	+	"tab_active.png";
	paths[5] = dir	+	"tab_active_hover.png";

	dir = subs+"private/images/";
	paths[6] = dir	+	"nav_hover.jpg";
	paths[7] = dir	+	"tab_active.png";
	paths[8] = dir	+	"tab_active_hover.png";

	document.preload = new Array();
	for(i = 0; i < paths.length; i++){
		document.preload[i] = loadImage(paths[i]);
	}
}