var swapImg = new Array();
		swapImg[0] = new Image;
		swapImg[0].src='http://www.auto-rlp.de/images/menu/companies_t.png';
		swapImg[1] = new Image;
		swapImg[1].src='http://www.auto-rlp.de/images/menu/initiative_t.png';
		swapImg[2] = new Image;
		swapImg[2].src='http://www.auto-rlp.de/images/menu/info_t.png';
		swapImg[3] = new Image;
		swapImg[3].src='http://www.auto-rlp.de/images/menu/ministry_t.png';
		swapImg[4] = new Image;
		swapImg[4].src='http://www.auto-rlp.de/images/menu/empty.png';
		swapImg[5] = new Image;
		swapImg[5].src='http://www.auto-rlp.de/images/menu/empty.png';
		swapImg[6] = new Image;
		swapImg[6].src='http://www.auto-rlp.de/images/menu/empty.png';
		swapImg[7] = new Image;
		swapImg[7].src='http://www.auto-rlp.de/images/menu/empty.png';

		function swapin(item) {
			switch(item) {
				case 'unternehmen':
					var swapper = document.getElementById('unternehmen');
					var swap_img = swapImg[0];
				break;
				case 'initiative':
					var swapper = document.getElementById('initiative');
					var swap_img = swapImg[1];
				break;
				case 'aktuelles':
					var swapper = document.getElementById('aktuelles');
					var swap_img = swapImg[2];
				break;
				case 'ministerium':
					var swapper = document.getElementById('ministerium');
					var swap_img = swapImg[3];
				break;
			}
			swap(swapper, swap_img);
		}

		function swapout(item) {
			switch(item) {
				case 'unternehmen':
					var swapper = document.getElementById('unternehmen');
					var swap_img = swapImg[4];
				break;
				case 'initiative':
					var swapper = document.getElementById('initiative');
					var swap_img = swapImg[5];
				break;
				case 'aktuelles':
					var swapper = document.getElementById('aktuelles');
					var swap_img = swapImg[6];
				break;
				case 'ministerium':
					var swapper = document.getElementById('ministerium');
					var swap_img = swapImg[7];
				break;
			}
			swap(swapper, swap_img);
		}
	
	function swap (oObj, oImg) {
			if(oObj.firstChild && oObj.firstChild.tagName == 'IMG') {
				oObj.removeChild(oObj.firstChild);
			}
			oObj.appendChild(oImg);
		}