imgs = new Array();

function preload(src) {
	if (document.images) {
		var id = imgs.length;
		img = new Image(500,250);
		img.src = src;
		imgs.push(img);	
		return id;
	}
}

function switchHero(id, newCap) {
	document.getElementById('hero').src = imgs[id].src;	
	switchCaption('heroCaption', newCap);
}

function switchCaption(captionId, newCap) {
	document.getElementById(captionId).innerHTML = '<label>'+newCap+'</label>';	
	
}

function formSet(position) {
	if (!position) {
		var position = 0;	
	}	
	document.forms[0].elements[position].focus();
}
function trunc(s,len) {
	return (s.length > len)?(s.substring(0,len)+'...'):s;
}