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) {

		salzman_recent_over = newImage("/environment/iel/images/salzman_recent-over.gif");

		salzman_treaties_over = newImage("/environment/iel/images/salzman_treaties-over.gif");

		salzman_institution_over = newImage("/environment/iel/images/salzman_institution-over.gif");

		salzman_institution_salzman_treaties_over = newImage("/environment/iel/images/salzman_institution-salzman.gif");

		salzman_teaching_over = newImage("/environment/iel/images/salzman_teaching-over.gif");

		salzman_teacher_over = newImage("/environment/iel/images/salzman_teacher-over.gif");

		salzman_llm_over = newImage("/environment/iel/images/salzman_llm-over.gif");

		salzman_book_over = newImage("/environment/iel/images/salzman_book-over.gif");

		salzman_email_over = newImage("/environment/iel/images/salzman_email-over.gif");

		salzman_buy_over = newImage("/environment/iel/images/salzman_buy-over.gif");

		salzman_how_over = newImage("/environment/iel/images/salzman_how-over.gif");

		salzman_search_over = newImage("/environment/iel/images/salzman_search-over.gif");

		preloadFlag = true;

	}

}