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) {
		CisTM1_over = newImage("images/CisTM1-over.gif");
		CisTM2_over = newImage("images/CisTM2-over.gif");
		CisTM3_over = newImage("images/CisTM3-over.gif");
		CIS_Ltd_America_09_CisLogo_over = newImage("images/CIS-Ltd-America_09-CisLogo_.gif");
		CisRM1_over = newImage("images/CisRM1-over.gif");
		CisRM2_over = newImage("images/CisRM2-over.gif");
		CisRM3_over = newImage("images/CisRM3-over.gif");
		CisRM4_over = newImage("images/CisRM4-over.gif");
		CisRM5_over = newImage("images/CisRM5-over.gif");
		CisRM6_over = newImage("images/CisRM6-over.gif");
		preloadFlag = true;
	}
}