/* 
 * Preload onmouseover images
 */
function preload_image(_image) {
	var image = new Image();
	image.src = _image;
}

/* Change county image onmouseover on index page */

function change_image (region) {
        var ShowItem = document.getElementById("county_image");
	ShowItem.className = "sprite-region-" + region;    	    
	return true;
}

/* 
 * Change back county image onmouseout on index page
 */ 
function hide_image (region) {
	var ShowItem = document.getElementById("county_image");	
	ShowItem.className = "sprite-region-none";
	return true;
}