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) {
		button2_01_over = newImage("images/common/bt1x.gif");
		button2_02_over = newImage("images/common/bt2x.gif");
button2_03_over = newImage("images/common/bt3x.gif");
button2_04_over = newImage("images/common/bt4x.gif");
button2_05_over = newImage("images/common/bt5x.gif");
button2_06_over = newImage("images/common/bt6x.gif");
button2_07_over = newImage("images/common/bt7x.gif");
button2_08_over = newImage("images/common/bt8x.gif");
button2_09_over = newImage("images/common/bt9x.gif");
button2_10_over = newImage("images/common/bt10x.gif");
button2_11_over = newImage("images/common/btr1x.gif");
button2_12_over = newImage("images/common/btr2x.gif");
button2_13_over = newImage("images/common/btr3x.gif");
button2_14_over = newImage("images/common/btr4x.gif");
button2_15_over = newImage("images/common/btr5x.gif");
button2_16_over = newImage("images/common/bt11x.gif");
button2_17_over = newImage("images/common/btr12x.gif");
		preloadFlag = true;
	}
}