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) {
		lcg_header_home_over = newImage("images/lcg-header-home-over.gif");
		lcg_header_aboutus_over = newImage("images/lcg-header-aboutus-over.gif");
		lcg_header_contact_html_over = newImage("images/lcg-header-contact.html-ove.gif");
		lcg_header_portfolio_over = newImage("images/lcg-header-portfolio-over.gif");
		preloadFlag = true;
	}
}

var preloadFlag2 = false;
function preloadImages2() {
	if (document.images) {
		selectport_07_selectport_06_over = newImage("images/selectport-07-selectport-06.gif");
		selectport_07_selectport_02_over = newImage("images/selectport-07-selectport-02.gif");
		selectport_07_selectport_03_over = newImage("images/selectport-07-selectport-03.gif");
		selectport_07_selectport_04_over = newImage("images/selectport-07-selectport-04.gif");
		selectport_07_selectport_05_over = newImage("images/selectport-07-selectport-05.gif");
		preloadFlag2 = true;
	}
}