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 = false;
function preloadImages() {
	if (document.images) {
		pre_vrch_08_over = newImage('/pics/vrch_08-over.jpg');
		pre_vrch_10_over = newImage('/pics/vrch_10-over.jpg');
		pre_vrch_12_over = newImage('/pics/vrch_12-over.jpg');
		pre_vrch_13_over = newImage('/pics/vrch_13-over.jpg');
		pre_vrch_14_over = newImage('/pics/vrch_14-over.jpg');
		pre_vrch_15_over = newImage('/pics/vrch_15-over.jpg');
		pre_vrch_11_over = newImage('/pics/vrch_11-over.jpg');
		pre_klikacky_01_over = newImage('/pics/pics/klikacky/klikacky_01-over.jpg');
		pre_klikacky_02_over = newImage('/pics/pics/klikacky/klikacky_02-over.jpg');
		pre_klikacky_03_over = newImage('/pics/pics/klikacky/klikacky_03-over.jpg');

		preloadFlag = true;
	}
}