if(document.images){
	ofirmie_img=new Image
	ofirmie_img_hover=new Image
	oferta_img=new Image
	oferta_img_hover=new Image
	promocje_img=new Image
	promocje_img_hover=new Image
	nowosci_img=new Image
	nowosci_img_hover=new Image
	sklep_img=new Image
	sklep_img_hover=new Image
	kontakt_img=new Image
	kontakt_img_hover=new Image
	ofirmie_img.src='images/ofirmie_menu.jpg'
	ofirmie_img_hover.src='images/ofirmie_menu_hover.jpg'
	oferta_img.src='images/oferta_menu.jpg'
	oferta_img_hover.src='images/oferta_menu_hover.jpg'
	promocje_img.src='images/promocje_menu.jpg'
	promocje_img_hover.src='images/promocje_menu_hover.jpg'
	nowosci_img.src='images/nowosci_menu.jpg'
	nowosci_img_hover.src='images/nowosci_menu_hover.jpg'
	sklep_img.src='images/sklep_menu.jpg'
	sklep_img_hover.src='images/sklep_menu_hover.jpg'
	kontakt_img.src='images/kontakt_menu.jpg'
	kontakt_img_hover.src='images/kontakt_menu_hover.jpg'
	}