// ***************** CONFIG *****************

// FOLDERS
var BACKGROUND_FOLDER = ROOT + "img/background/";
var SUBLOGO_FOLDER = ROOT + "img/sublogo/";

// BACKGROUND IMAGE SUFFIX NAME
var BACKGROUND_EXTENSION = ".jpg";
var BACKGROUND_SUFFIX_43 = "43";
var BACKGROUND_SUFFIX_169 = "169";

// VARS
var BACKGROUND_IMAGE = "";
var SUBLOGO_IMAGE = "";

function getBackgroundImagePath(img)
{	
	return BACKGROUND_FOLDER + getBackgroundImageFileName(img);
}

function getBackgroundImageFileName(img)
{
	var suffix;
	 var ratio = screen.width / screen.height;
	 if(ratio > 1.34) {
		suffix = BACKGROUND_SUFFIX_169;
	} else {
		suffix = BACKGROUND_SUFFIX_43;
	}
	return img + "_" + suffix + BACKGROUND_EXTENSION;
}

function setBackgroundImage(img, el) {   
    
    var imagePath = "";
    
    if(img != "")
    {   
		imagePath = getBackgroundImagePath(img);
		
    } else {
		imagePath = ROOT + "/img/transparent1.gif";
    }
    
    el.setAttribute("src", imagePath);
}

function setSublogoImage(img, el) {
	if(SUBLOGO_IMAGE != "")
		el.setAttribute("src", SUBLOGO_FOLDER + img + ".gif");	
	else
		el.setAttribute("src", SUBLOGO_FOLDER + "default.gif");
}