// JavaScript Document
// JavaScript routine for displaying caption for selected picture developed by Rich Hephner, 2006 

function switchPic(pic){
	// Change the picture source.
	var picsrc = pic.src;
	if(picsrc.match('thmb_')){
		lgpicsrc = picsrc.replace('thmb_','');
	}
	document.getElementById('largerPic').src = lgpicsrc;
	
	// Change the caption.
	// Be sure to id='thumbs' in the table definition!!
	var thumbs = document.getElementById('thumbs').getElementsByTagName('img');
	var caption_number = 0;
	for(i=0;i < thumbs.length; i++){
		if(thumbs[i].src.search('thmb_') != -1){
			if(picsrc == thumbs[i].src){
				document.getElementById('caption').innerHTML = captions[caption_number];
			}
			caption_number++;
		}
	}
	var caption = document.getElementById('caption');
	alert(cap);
	caption.innerHTML = captions[cap];
}

function init(){
	var thumbs = document.getElementById('thumbs').getElementsByTagName('img');
	for(i=0;i < thumbs.length; i++){
		if(thumbs[i].src.search('thmb_') != -1){
			thumbs[i].onmousedown = function(){switchPic(this);}
		}
	}
}