function zvetsovac() {
	
	if (!($('.zoom_imgs').length > 0)) {
		$('body').append("<div class='zoom_imgs'></div>");
	}
	
	$(".plus-ikona[zoomsrc]").each(function() {

		var src = $(this).attr("zoomsrc");

		/* vytvoreni obrazku zvetseniny */
		if (!($('img[zsrc="' + src + '"]').length > 0)) {
			$('.zoom_imgs').append("<img src='" + src + "' class='fullsize' zsrc='" + src + "'>");		
		}

		var fullsize = $('.fullsize[zsrc="' + src + '"]');


		var disp;
		$(this).hover(function() {
		
			/* po najeti na obrazek a uplynuti urciteho casu zobrazit zvetseninu */
			$(".fullsize").fadeOut('fast');
			disp = true;
			
			/* vycentrovani zvetseniny */
			fullsize.css('left', $(this).offset().left - fullsize.width());
			fullsize.css('top', $(this).offset().top - fullsize.height());

			setTimeout(function() {
				if (disp)
					fullsize.fadeIn('fast');
			}, 400);
		}, function() {
			/* odjeti mysi z obrazku, nezobrazovat zvetseninu */
			disp = false;
			fullsize.hide();
		});

	});
}