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) {
		btn_home_over = newImage("images/btn_home_over.jpg");
		btn_about_over = newImage("images/btn_about_over.jpg");
		btn_profile_over = newImage("images/btn_profile_over.jpg");
		btn_updates_over = newImage("images/btn_udpates_over.jpg");
		btn_media_over = newImage("images/btn_media_over.jpg");
		btn_investor_over = newImage("images/btn_investor_over.jpg");
		btn_board_over = newImage("images/btn_board_over.jpg");		
		btn_management_over = newImage("images/btn_management_over.jpg");
		btn_partners_over = newImage("images/btn_partners_over.jpg");
		btn_research_over = newImage("images/btn_research_over.jpg");
		btn_presentation_over = newImage("images/btn_presentation_over.jpg");
		btn_iptv_over = newImage("images/btn_iptv_over.jpg");
		btn_mobiletv_over = newImage("images/btn_mobile_tv_over.jpg");
		btn_voip_over = newImage("images/btn_voip_over.jpg");		
		btn_feedback_over = newImage("images/btn_feedback_over.jpg");
		btn_contact_over = newImage("images/btn_contact_over.jpg");
		preloadFlag = true;
	}
}

function popWindow(theURL,winName,features) { 
	window.open(theURL,winName,features);
}