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) {
		oc_01_home_over = newImage("images/oc_01-home_over.gif");
		oc_06_whoweare_over = newImage("images/oc_06-whoweare_over.gif");
		oc_06_home_over = newImage("images/oc_06-home_over.gif");
		oc_08_solutions_over = newImage("images/oc_08-solutions_over.gif");
		oc_08_whoweare_over = newImage("images/oc_08-whoweare_over.gif");
		oc_10_howitworks_over = newImage("images/oc_10-howitworks_over.gif");
		oc_10_solutions_over = newImage("images/oc_10-solutions_over.gif");
		oc_12_contactus_over = newImage("images/oc_12-contactus_over.gif");
		oc_12_howitworks_over = newImage("images/oc_12-howitworks_over.gif");
		oc_14_contactus_over = newImage("images/oc_14-contactus_over.gif");
		oc_15_home_over = newImage("images/oc_15-home_over.gif");
		oc_16_whoweare_over = newImage("images/oc_16-whoweare_over.gif");
		oc_17_solutions_over = newImage("images/oc_17-solutions_over.gif");
		oc_18_howitworks_over = newImage("images/oc_18-howitworks_over.gif");
		oc_19_contactus_over = newImage("images/oc_19-contactus_over.gif");
		oc_20_contactus_over = newImage("images/oc_20-contactus_over.gif");
		someimage = newImage("images/more_clients_d.gif");
		someimage1 = newImage("images/prev_d.gif");
		preloadFlag = true;
	}
}