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) {
		nProf_over = newImage("images/index/nProf2.gif");
		nPlead_over = newImage("images/index/nPlead2.gif");
		nPpaste_over = newImage("images/index/nPpaste2.gif");
		nPese_over = newImage("images/index/nPese2.gif");
		nPFlux_over = newImage("images/index/nPFlux2.gif");
		nPInk_over = newImage("images/index/nPInk2.gif");
		nPspec_over = newImage("images/index/nPspec2.jpg");
		nPagfa_over = newImage("images/index/nPagfa2.jpg");
		nPael_over = newImage("images/index/nPael2.jpg");
		nPsuper_over = newImage("images/index/nPsuper2.gif");
		nSer_over = newImage("images/index/nSer2.gif");
		nShin_over = newImage("images/index/nShin2.jpg");
		nNews_over = newImage("images/index/nNews2.gif");
		nPsaati_over = newImage("images/index/nPsaati2.jpg");
		nParlon_over = newImage("images/index/nParlon2.jpg");
		nSales_over = newImage("images/index/nSales2.gif");
		nPchem_over = newImage("images/index/nPchem2.gif");
		nCont_over = newImage("images/index/nCont2.gif");
		nPleitz_over = newImage("images/index/nPleitz2.jpg");
		nSheng_over = newImage("images/index/nSheng2.jpg");
		nPpac_over = newImage("images/index/nPpac2.jpg");
		preloadFlag = true;
	}
}