function menu_preload (lang)
{
	p1 = new Image (); p1.src = 'i/menu1_' + lang + '-on.jpg';
	p2 = new Image (); p2.src = 'i/menu2_' + lang + '-on.jpg';
	p3 = new Image (); p3.src = 'i/menu3_' + lang + '-on.jpg';
	p4 = new Image (); p4.src = 'i/menu4_' + lang + '-on.jpg';
	p5 = new Image (); p5.src = 'i/menu5_' + lang + '-on.jpg';
	p6 = new Image (); p6.src = 'i/menu6_' + lang + '-on.jpg';
	p7 = new Image (); p7.src = 'i/menu7_' + lang + '-on.jpg';
	p8 = new Image (); p8.src = 'i/menu8_' + lang + '-on.jpg';
	p9 = new Image (); p9.src = 'i/menu9_' + lang + '-on.jpg';
	p10 = new Image (); p10.src = 'i/menu10_' + lang + '-on.jpg';
	p11 = new Image (); p11.src = 'i/menu11_' + lang + '-on.jpg';
	p12 = new Image (); p12.src = 'i/menu12_' + lang + '-on.jpg';
	p13 = new Image (); p13.src = 'i/menu13_' + lang + '-on.jpg';
	p14 = new Image (); p14.src = 'i/menu14_' + lang + '-on.jpg';
	p15 = new Image (); p15.src = 'i/menu15_' + lang + '-on.jpg';
}

function menu_over (obj, menu_id, lang)
{
	obj.src = 'i/menu' + menu_id + '_' + lang + '-on.jpg';
}

function menu_out (obj, menu_id, lang)
{
	obj.src = 'i/menu' + menu_id + '_' + lang + '.jpg';
}