function imgswitcher(n) {
	if(document.images) {
		switch (n) {
			// wilki
			case 'w3': document.images['swtchdrw'].src="../img/illustrations/drawings_wildlife03_wolves.jpg"; break;
			case 'w4': document.images['swtchdrw'].src="../img/illustrations/drawings_wildlife04_wolves.jpg"; break;
			case 'w5': document.images['swtchdrw'].src="../img/illustrations/drawings_wildlife05_wolves.jpg"; break;
			case 'w6': document.images['swtchdrw'].src="../img/illustrations/drawings_wildlife06_wolves.jpg"; break;
			case 'w7': document.images['swtchdrw'].src="../img/illustrations/drawings_wildlife07_wolves.jpg"; break;
			case 'w8': document.images['swtchdrw'].src="../img/illustrations/drawings_wildlife08_wolves.jpg"; break;
			case 'w9': document.images['swtchdrw'].src="../img/illustrations/drawings_wildlife09_wolves.jpg"; break;
			// greenworks
			case 'g1': document.images['swtchdrw'].src="../img/illustrations/drawings_wildlife14_amphibians.jpg"; break;
			case 'g2': document.images['swtchdrw'].src="../img/illustrations/drawings_wildlife15_amphibians.jpg"; break;
			case 'g3': document.images['swtchdrw'].src="../img/illustrations/drawings_wildlife16_amphibians.jpg"; break;
			case 'g4': document.images['swtchdrw'].src="../img/illustrations/drawings_wildlife17_amphibians.jpg"; break;
			// helena
			case 'h1': document.images['swtchdrw'].src="../img/illustrations/architecture15_house.jpg"; break;
			case 'h2': document.images['swtchdrw'].src="../img/illustrations/architecture19_house.jpg"; break;
			case 'h3': document.images['swtchdrw'].src="../img/illustrations/architecture18_house.jpg"; break;
			case 'h4': document.images['swtchdrw'].src="../img/illustrations/architecture17_house.jpg"; break;
			case 'h5': document.images['swtchdrw'].src="../img/illustrations/architecture16_house.jpg"; break;
			// dino
			case 'l1': document.images['swtchdrw'].src="../img/illustrations/design_posters03.jpg"; break;
			case 'l2': document.images['swtchdrw'].src="../img/illustrations/design_posters04.jpg"; break;
			case 'l3': document.images['swtchdrw'].src="../img/illustrations/design_posters05.jpg"; break;
			case 'l4': document.images['swtchdrw'].src="../img/illustrations/design_posters06.jpg"; break;
			// kontewicz
			case 'r01': document.images['swtchdrw'].src="../img/illustrations/design_cards04.jpg"; break;
			case 'r02': document.images['swtchdrw'].src="../img/illustrations/design_cards05.jpg"; break;
			case 'r03': document.images['swtchdrw'].src="../img/illustrations/design_cards06.jpg"; break;
			case 'r04': document.images['swtchdrw'].src="../img/illustrations/design_cards07.jpg"; break;
			case 'r05': document.images['swtchdrw'].src="../img/illustrations/design_cards08.jpg"; break;
			case 'r06': document.images['swtchdrw'].src="../img/illustrations/design_cards09.jpg"; break;
			case 'r07': document.images['swtchdrw'].src="../img/illustrations/design_cards10.jpg"; break;
			case 'r08': document.images['swtchdrw'].src="../img/illustrations/design_cards11.jpg"; break;
			case 'r09': document.images['swtchdrw'].src="../img/illustrations/design_cards12.jpg"; break;
			case 'r10': document.images['swtchdrw'].src="../img/illustrations/design_cards13.jpg"; break;
			case 'r11': document.images['swtchdrw'].src="../img/illustrations/design_cards14.jpg"; break;
			case 'r12': document.images['swtchdrw'].src="../img/illustrations/design_cards15.jpg"; break;
		}
	}
}