var m_bPreloadFlag = false;

function newImage(v_sArg) {
	var oImage = null;
	if (document.images) {
		oImage = new Image();
		oImage.src = v_sArg;
		return oImage;
	}
}
function swapImage(){
	if (document.images && (m_bPreloadFlag == true)) {
		document[swapImage.arguments[0]].src = swapImage.arguments[1];
	}
}