// JavaScript Document

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];
		}
	}
}

function preloadImages() {
	if (document.images) {
		teflon_over 		= newImage("images/ind-over.gif");
		ptfe_over 		= newImage("images/ind-over.gif");
		home_over  		= newImage("images/main-over.gif");
		contact_over 	= newImage("images/main-over.gif");
		about_over  	= newImage("images/main-over.gif");
		products_over 	= newImage("images/main-over.gif");
		fep_over  		= newImage("images/ind-over.gif");
		pfa_over  		= newImage("images/ind-over.gif");
		hppfa_over  	= newImage("images/ind-over.gif");
		mfa_over  		= newImage("images/ind-over.gif");
		thv_over  		= newImage("images/ind-over.gif");
		pvdf_over  		= newImage("images/ind-over.gif");
		peek_over  		= newImage("images/ind-over.gif");
		cust_over  		= newImage("images/main-over.gif");
		material_over  	= newImage("images/main-over.gif");
		uhppfa_over  	= newImage("images/ind-over.gif");
		preloadFlag = true;
	}
}