NAVarr = new Array("home", "abou", "busi", "phot", "foru", "cont");

if (document.images) {

	for (var NAVitem in NAVarr) { 

		 for (var NAVicount=0; NAVicount < 2; NAVicount++) { 

				eval("b" + NAVarr[NAVitem] + NAVicount + " = new Image()");

				eval("b" + NAVarr[NAVitem] + NAVicount + ".src = '/assets/nav-" + NAVarr[NAVitem] + "-" + NAVicount + ".gif'");

		 } 

	} 

}



function BturnOn(imageName) {

	if (document.images) {

		var imageNumber = "";

		if (arguments.length > 1) imageNumber = arguments[1];

		document [imageName + imageNumber].src = eval("b" + imageName + "1.src");

	}

}



function BturnOff(imageName) {

	if (document.images) {

		var imageNumber = "";

		if (arguments.length > 1) imageNumber = arguments[1];

		document [imageName + imageNumber].src = eval("b" + imageName + "0.src");

	}

}