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


function changeImagesArray(array) {
	if (preloadFlag == true) {
		var d = document; var img;
		for (var i=0; i<array.length; i+=2) {
			img = null; var n = array[i];
			if (d.images) {img = d.images[n];}
			if (!img && d.getElementById) {img = d.getElementById(n);}
			if (img) {img.src = array[i+1];}
		}
	}
}


function changeImages() {
	changeImagesArray(changeImages.arguments);
}



var preloadFlag = true;
function preloadImages() {
	if (document.images) {
		pre_home_active = newImage('{$image_dir}osdate.biz_navig/home_active.gif');
		pre_shop_active = newImage('{$image_dir}osdate.biz_navig/shop_active.gif');
		pre_suche_active = newImage('{$image_dir}osdate.biz_navig/suche_active.gif');
		pre_hilfe_active = newImage('{$image_dir}osdate.biz_navig/hilfe_active.gif');
		pre_top10_active = newImage('{$image_dir}osdate.biz_navig/top10_active.gif');
		pre_top_f_active = newImage('{$image_dir}osdate.biz_navig/top_f_active.gif');
		pre_top_m_active = newImage('{$image_dir}osdate.biz_navig/top_m_active.gif');
		preloadFlag = true;
	}
}