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) {
		tx_erda_front_03_over = newImage("interface/tx_erda_front_03-over.jpg");
		tx_erda_front_04_over = newImage("interface/tx_erda_front_04-over.jpg");
		tx_erda_front_05_over = newImage("interface/tx_erda_front_05-over.jpg");
		tx_erda_front_05_over = newImage("interface/tx_erda_front_05bis-over.jpg");		
		tx_erda_front_09_over = newImage("interface/tx_erda_front_09-over.jpg");
		tx_erda_front_10_over = newImage("interface/tx_erda_front_10-over.jpg");
		tx_erda_front_11_over = newImage("interface/tx_erda_front_11-over.jpg");
		tx_erda_front_12_over = newImage("interface/tx_erda_front_12-over.jpg");
		tx_erda_front_13_over = newImage("interface/tx_erda_front_13-over.jpg");
		tx_erda_front_14_over = newImage("interface/tx_erda_front_14-over.jpg");
		tx_erda_front_15_over = newImage("interface/tx_erda_front_15-over.jpg");
		tx_erda_front_16_over = newImage("interface/tx_erda_front_16-over.jpg");
		erda_front_box_1_over = newImage("interface/erda_front_box_1-over.jpg");
		erda_front_box_2_over = newImage("interface/erda_front_box_2-over.jpg");
		erda_front_box_3_over = newImage("interface/erda_front_box_3-over.jpg");
		erda_front_box_4_over = newImage("interface/erda_front_box_4-over.jpg");
		
		erda_inside_box_1_over = newImage("interface/erda_inside_box_1-over.jpg");
		erda_inside_box_2_over = newImage("interface/erda_inside_box_2-over.jpg");
		erda_inside_box_3_over = newImage("interface/erda_inside_box_3-over.jpg");
		erda_inside_box_4_over = newImage("interface/erda_inside_box_4-over.jpg");
		preloadFlag = true;
	}
}

//