// JavaScript Document

	function newImage(arg) {
		if (document.images) {
			rslt = new Image();
			rslt.src = arg;
			return rslt;
		}
	}
	
	function changeImagesArray(array) {
		if (document.images && (preloadFlag == true)) {
			for (var i=0; i<array.length; i+=2) {
				document[array[i]].src = array[i+1];
			}
		}
	}
	
	function changeImages() {
		changeImagesArray(changeImages.arguments);
	}
	
	function toggleImages() {
		for (var i=0; i<toggleImages.arguments.length; i+=2) {
			if (selected == toggleImages.arguments[i])      changeImagesArray(toggleImages.arguments[i+1]);
		}
	}
	
	var selected = '';
	var preloadFlag = false;
	function preloadImages() {
		if (document.images) {
			btn__home_over = newImage("images/btn__home-over.gif");
			btn__kanzlei_over = newImage("images/btn__kanzlei-over.gif");
			btn__verknuepf_over = newImage("images/btn__verknuepf-over.gif");
			btn__erstrittene_over = newImage("images/btn__erstrittene-over.gif");
			btn__erlittene_over = newImage("images/btn__erlittene-over.gif");
			btn__go_over = newImage("images/btn__go-over.gif");
			preloadFlag = true;
		}
	}