function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function changeImages() {
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		header_01_over = newImage("bilder/header_01-over.jpg");
		header_02_over = newImage("bilder/header_02-over.jpg");
		header_03_header_02_over = newImage("bilder/header_03-header_02_over.jpg");
		header_03_over = newImage("bilder/header_03-over.jpg");
		header_04_over = newImage("bilder/header_04-over.jpg");
		header_05_header_03_over = newImage("bilder/header_05-header_03_over.jpg");
		header_05_over = newImage("bilder/header_05-over.jpg");
		header_06_over = newImage("bilder/header_06-over.jpg");
		header_06_header_02_over = newImage("bilder/header_06-header_02_over.jpg");
		header_07_header_01_over = newImage("bilder/header_07-header_01_over.jpg");
		header_07_over = newImage("bilder/header_07-over.jpg");
		header_08_header_03_over = newImage("bilder/header_08-header_03_over.jpg");
		header_08_over = newImage("bilder/header_08-over.jpg");
		header_09_header_02_over = newImage("bilder/header_09-header_02_over.jpg");
		header_09_over = newImage("bilder/header_09-over.jpg");
		header_10_header_01_over = newImage("bilder/header_10-header_01_over.jpg");
		header_10_over = newImage("bilder/header_10-over.jpg");
		header_11_header_03_over = newImage("bilder/header_11-header_03_over.jpg");
		header_11_over = newImage("bilder/header_11-over.jpg");
		header_12_header_02_over = newImage("bilder/header_12-header_02_over.jpg");
		header_12_over = newImage("bilder/header_12-over.jpg");
		header_13_header_01_over = newImage("bilder/header_13-header_01_over.jpg");
		header_13_over = newImage("bilder/header_13-over.jpg");
		header_14_header_03_over = newImage("bilder/header_14-header_03_over.jpg");
		header_15_header_04_over = newImage("bilder/header_15-header_04_over.gif");
		header_16_header_02_over = newImage("bilder/header_16-header_02_over.jpg");
		header_17_header_03_over = newImage("bilder/header_17-header_03_over.gif");
		header_19_header_01_over = newImage("bilder/header_19-header_01_over.jpg");
		header_19_over = newImage("bilder/header_19-over.jpg");
		header_20_header_02_over = newImage("bilder/header_20-header_02_over.gif");
		header_22_header_01_over = newImage("bilder/header_22-header_01_over.jpg");
		header_23_header_01_over = newImage("bilder/header_23-header_01_over.gif");
		preloadFlag = true;
	}
}

function chgImgSrc(imageId,state) 	{

	var images = new Array;

	images[0] = new Object;	
	images[0]["footer_right"] = "public/images/nav-footer-right_over.gif";
	images[0]["footer_left"] = "public/images/nav-footer-left_over.gif";		

	images[1] = new Object;	
	images[1]["footer_right"] = "public/images/nav-footer-right.gif";
	images[1]["footer_left"] = "public/images/nav-footer-left.gif";				
	
	switch(state) {
		case "over":
				document.getElementById(imageId).src = images[0][imageId];
			break;			
		case "out":
				document.getElementById(imageId).src = images[1][imageId];					
			break;
		}
	
}