// ----------------- hauptnavigation
var main_img_path = '../img/nav/'

		function main_rollover(MainImgName,MainImgEl) {
		var SwappImage = main_img_path + MainImgName + 'a.gif';
		document.images[MainImgEl].src = SwappImage;
		}
		function main_rollout(MainImgName,MainImgEl) {
		var SwappImage = main_img_path + MainImgName + 'i.gif';
		document.images[MainImgEl].src = SwappImage;
		}
		

		
// ----------------- rollover / rollout / reset navigation (sub)	
if(!click_img) {
	var click_img = 0;
}

if (!countStart) {
	var countStart = 1;
}
		
		function nav_rollover(imgNr) {
			if(click_img != imgNr) {
				var imageName = 'img_' +  imgNr;
				var SwappImage = img_path + imgNr + 'a.gif';
				//alert('nav_imgNr: ' + nav_imgNr + ' | imageName: ' + imageName + ' | SwappImage: ' + SwappImage); //  --------> test
				document.images[imageName].src = SwappImage;
			}
			
		}
		
		function nav_rollout(imgNr) {
			if(click_img != imgNr) {	
				var imageName = 'img_' +  imgNr;
				var SwappImage = img_path + imgNr + '.gif';
				document.images[imageName].src = SwappImage;
			}
		}	
		
		function nav_click(imgNr) {
			click_img = imgNr;
			//alert("set Click_img = " + click_img); //-----> test
			nav_reset(imgNr);
		}
		
		function nav_reset(imgNr) {
			for(i= countStart;i <= nav_img; i++) {
			//alert('reset > i :' + i); //-----> test
				var imageName = 'img_' +  i;
				var SwappImage = img_path + i + '.gif';	
				if(i != click_img) {
					document.images[imageName].src = SwappImage;
					//alert("click_img in reset = " + click_img); //-----> test
					//alert("SwappImage = " + SwappImage); //-----> test
				}
			}
		}
	
		
// ----------------- preload subnav


		function nav_img_preload() {
			var DummyArray = new Array(nav_img);
			for( i = countStart; i <= nav_img; i++) {
			DummyArray[i] = new Image();
			DummyArray[i].src = img_path + i + 'a.gif';
			}
		}