var img1 = new Image();
img1.src = '/gfx/techno/zl_baza_h.jpg';
var img2 = new Image();
img2.src = '/gfx/techno/zl_pub_h.jpg';
var img3 = new Image();
img3.src = '/gfx/techno/zl_spol_h.jpg';
var img4 = new Image();
img4.src = '/gfx/techno/zl_dod_h.jpg';
var img5 = new Image();
img5.src = '/gfx/techno/zl_gal_h.jpg';




function change(elem) {

	 if (elem == 'zl_data')
	 {
	 	$('zl_pub').style.display = 'none';
	 	$('zl_gal').style.display = 'none';
	 	$('zl_spol').style.display = 'none';
	 	$('zl_add').style.display = 'none';
	 	$('zl_data').style.display = 'block';

	 	$('zz_pub').style.background = 'url(/gfx/techno/zl_pub.jpg) 0 0 no-repeat';	 
	 	$('zz_data').style.background = 'url(/gfx/techno/zl_baza_h.jpg) 0 0 no-repeat';	 
	 	$('zz_spol').style.background = 'url(/gfx/techno/zl_spol.jpg) 0 0 no-repeat';	 
	 	$('zz_add').style.background = 'url(/gfx/techno/zl_dod.jpg) 0 0 no-repeat';	 
	 	$('zz_gal').style.background = 'url(/gfx/techno/zl_gal.jpg) 0 0 no-repeat';	 

	 };
	 if (elem == 'zl_pub') {
	 	$('zl_data').style.display = 'none';
	 	$('zl_gal').style.display = 'none';
	 	$('zl_spol').style.display = 'none';
	 	$('zl_add').style.display = 'none';
	 	$('zl_pub').style.display = 'block';
	 	
	 	$('zz_pub').style.background = 'url(/gfx/techno/zl_pub_h.jpg) 0 0 no-repeat';	 
	 	$('zz_data').style.background = 'url(/gfx/techno/zl_baza.jpg) 0 0 no-repeat';	 
	 	$('zz_spol').style.background = 'url(/gfx/techno/zl_spol.jpg) 0 0 no-repeat';	 
	 	$('zz_add').style.background = 'url(/gfx/techno/zl_dod.jpg) 0 0 no-repeat';	 
	 	$('zz_gal').style.background = 'url(/gfx/techno/zl_gal.jpg) 0 0 no-repeat';	 
	 };
	 if (elem == 'zl_gal')
	 {
	 	$('zl_pub').style.display = 'none';
	 	$('zl_data').style.display = 'none';
	 	$('zl_spol').style.display = 'none';
	 	$('zl_add').style.display = 'none';
	 $('zl_gal').style.display = 'block';
	 
	 	$('zz_pub').style.background = 'url(/gfx/techno/zl_pub.jpg) 0 0 no-repeat';	 
	 	$('zz_data').style.background = 'url(/gfx/techno/zl_baza.jpg) 0 0 no-repeat';	 
	 	$('zz_spol').style.background = 'url(/gfx/techno/zl_spol.jpg) 0 0 no-repeat';	 
	 	$('zz_add').style.background = 'url(/gfx/techno/zl_dod.jpg) 0 0 no-repeat';	 
	 	$('zz_gal').style.background = 'url(/gfx/techno/zl_gal_h.jpg) 0 0 no-repeat';	 

	 };
	 if (elem == 'zl_spol')
	 {
	 	$('zl_pub').style.display = 'none';
	 	$('zl_gal').style.display = 'none';
	 	$('zl_data').style.display = 'none';
	 	$('zl_add').style.display = 'none';
	 $('zl_spol').style.display = 'block';

	 	$('zz_pub').style.background = 'url(/gfx/techno/zl_pub.jpg) 0 0 no-repeat';	 
	 	$('zz_data').style.background = 'url(/gfx/techno/zl_baza.jpg) 0 0 no-repeat';	 
	 	$('zz_spol').style.background = 'url(/gfx/techno/zl_spol_h.jpg) 0 0 no-repeat';	 
	 	$('zz_add').style.background = 'url(/gfx/techno/zl_dod.jpg) 0 0 no-repeat';	 
	 	$('zz_gal').style.background = 'url(/gfx/techno/zl_gal.jpg) 0 0 no-repeat';	 

	 }
	 if (elem == 'zl_add')
	 {
	 	$('zl_pub').style.display = 'none';
	 	$('zl_gal').style.display = 'none';
	 	$('zl_spol').style.display = 'none';
	 	$('zl_data').style.display = 'none';
	 $('zl_add').style.display = 'block';

	 	$('zz_pub').style.background = 'url(/gfx/techno/zl_pub.jpg) 0 0 no-repeat';	 
	 	$('zz_data').style.background = 'url(/gfx/techno/zl_baza.jpg) 0 0 no-repeat';	 
	 	$('zz_spol').style.background = 'url(/gfx/techno/zl_spol.jpg) 0 0 no-repeat';	 
	 	$('zz_add').style.background = 'url(/gfx/techno/zl_dod_h.jpg) 0 0 no-repeat';	 
	 	$('zz_gal').style.background = 'url(/gfx/techno/zl_gal.jpg) 0 0 no-repeat';	 

	 }
	 
}