var G_BASE_DIR = '';
var G_LB_CAPTION_TYPE = 'default';

var G_CACHED_IMGS = new Array();

function cache_image_prepend(image_uri)
{
	var i = new Image();
	i.src = G_BASE_DIR + '/res/images/' + image_uri;
	G_CACHED_IMGS.push(i);
}

function cache_image_prepend_str(pre, image_uri)
{
	var i = new Image();
	i.src = pre + image_uri;
	G_CACHED_IMGS.push(i);
}

function cache_image(image_uri)
{
	var i = new Image();
	i.src = image_uri;
	G_CACHED_IMGS.push(i);
}

function is_cached(image_uri)
{
	return G_CACHED_IMGS.find(function(n) { return n.src == image_uri; });
}

//return Variable Or Empty String
function _VOES(variable)
{
	return variable ? variable : '';
}

//return Variable Or Zero
function _VOZ(variable)
{
	return variable ? variable : 0;
}