function toggle_elem( elem_id ){
	el = document.getElementById( elem_id );
	el.style.display = ( el.style.display == 'none' ) ? 'inline' : 'none';
}

function set_lang(){
	var sels = document.getElementsByName( "lang_id" );
	var sl = sels[0];
	for( var i=0; i < sl.options.length; i++ ){
		if( sl.options[i].selected ){
			window.location = "set_language.php?lang_id="+sl.options[i].value;
		}
	}
}

// if (document.images)
// {
// 	preload_image_object = new Image();
// 
// 	image_url = new Array();
// 	image_url[0] = "http://nebosvod.freehostia.com/images/site_logo.gif";
// 	image_url[1] = "http://nebosvod.freehostia.com/images/full_cover.gif";
// 
// 	for(var i=0; i < image_url.length; i++)
// 		preload_image_object.src = image_url[i];
// }