if (document.images) {
	var prevon = new Image();
	prevon.src = "images/prev_on.gif";

	var prevoff = new Image();
	prevoff.src = "images/prev_off.gif";

	var nexton = new Image();
	nexton.src = "images/next_on.gif";

	var nextoff = new Image();
	nextoff.src = "images/next_off.gif";
}

function arrowRoll(which, state) {
	document.images[which + "but"].src = eval(which + state + ".src");
}

function textCounter(field, maxlimit) {
	if (field.value.length > maxlimit) {
		field.value = field.value.substring(0, maxlimit);
		alert('Message can only be ' + maxlimit + ' characters in length.' );
		return false;
	}
}