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) {
	
	
	//index page
		dv1_presentation_down = newImage("images/homepage/dv1-presentation_down.gif");
		presentation_down = newImage("images/homepage/presentation-down.gif");
		presentation_over = newImage("images/homepage/presentation-over.gif");
		dv2_presentation_down = newImage("images/homepage/dv2-presentation_down.gif");
		dv2_process_down = newImage("images/homepage/dv2-process_down.gif");
		process_over = newImage("images/homepage/process-over.gif");
		process_down = newImage("images/homepage/process-down.gif");
		dv3_process_down = newImage("images/homepage/dv3-process_down.gif");
		dv3_consultants_down = newImage("images/homepage/dv3-consultants_down.gif");
		consultants_over = newImage("images/homepage/consultants-over.gif");
		consultants_down = newImage("images/homepage/consultants-down.gif");
		dv4_consultants_down = newImage("images/homepage/dv4-consultants_down.gif");
		dv4_contact_down = newImage("images/homepage/dv4-contact_down.gif");
		contact_over = newImage("images/homepage/contact-over.gif");
		contact_down = newImage("images/homepage/contact-down.gif");
		dv5_contact_down = newImage("images/homepage/dv5-contact_down.gif");
		
		systems_over = newImage("images/homepage/systems-over.gif");
		systems_logistics_over = newImage("images/homepage/systems-logistics_over.gif");
		systems_return_over = newImage("images/homepage/systems-return_over.gif");
		systems_finance_over = newImage("images/homepage/systems-finance_over.gif");
		logistics_systems_over = newImage("images/homepage/logistics-systems_over.gif");
		logistics_over = newImage("images/homepage/logistics-over.gif");
		logistics_finance_over = newImage("images/homepage/logistics-finance_over.gif");
		return_systems_over = newImage("images/homepage/return-systems_over.gif");
		return_logistics_over = newImage("images/homepage/return-logistics_over.gif");
		return_over = newImage("images/homepage/return-over.gif");
		return_finance_over = newImage("images/homepage/return-finance_over.gif");
		return_trading_over = newImage("images/homepage/return-trading_over.gif");
		return_people_over = newImage("images/homepage/return-people_over.gif");
		finance_logistics_over = newImage("images/homepage/finance-logistics_over.gif");
		finance_return_over = newImage("images/homepage/finance-return_over.gif");
		finance_over = newImage("images/homepage/finance-over.gif");
		finance_people_over = newImage("images/homepage/finance-people_over.gif");
		trading_return_over = newImage("images/homepage/trading-return_over.gif");
		trading_finance_over = newImage("images/homepage/trading-finance_over.gif");
		trading_over = newImage("images/homepage/trading-over.gif");
		trading_people_over = newImage("images/homepage/trading-people_over.gif");
		people_finance_over = newImage("images/homepage/people-finance_over.gif");
		people_trading_over = newImage("images/homepage/people-trading_over.gif");
		people_over = newImage("images/homepage/people-over.gif");
	
	
	
	//top nav
		dv1_presentation_down = newImage("images/dv1-presentation_down.gif");
		presentation_down = newImage("images/presentation-down.gif");
		presentation_over = newImage("images/presentation-over.gif");
		dv2_presentation_down = newImage("images/dv2-presentation_down.gif");
		dv2_process_down = newImage("images/dv2-process_down.gif");
		process_over = newImage("images/process-over.gif");
		process_down = newImage("images/process-down.gif");
		dv3_process_down = newImage("images/dv3-process_down.gif");
		dv3_consultants_down = newImage("images/dv3-consultants_down.gif");
		consultants_over = newImage("images/consultants-over.gif");
		consultants_down = newImage("images/consultants-down.gif");
		dv4_consultants_down = newImage("images/dv4-consultants_down.gif");
		dv4_contact_down = newImage("images/dv4-contact_down.gif");
		contact_over = newImage("images/contact-over.gif");
		contact_down = newImage("images/contact-down.gif");
		dv5_contact_down = newImage("images/dv5-contact_down.gif");
		backarrow_over = newImage("images/backarrow-over.gif");
		nextarrow_over = newImage("images/nextarrow-over.gif");
		preloadFlag = true;
	}
}