var species_image_rules = {

	'#species_thumbs a' : function(el){
		el.onclick = function() { replaceImg(this); return false; }
	}
	
}

function replaceImg(Control) {

	var id = Control.id;
	get_url = Control.href.split('&');
	for(i=0; i<get_url.length; i++){
		get_key = get_url[i].split('=');
		if(get_key[0]=='meta'){ var meta_name = get_key[1]; }
		if(get_key[0]=='spec_id'){ var specimen_id = get_key[1]; }
	}
	var img_src = 'image_code/phpThumb.php?src=http://'+id+'&w=500&fltr[]=wmt|'+meta_name+'|4|BR|CC3300|verdana.TTF|100|5|0';
	main_img = $('species_main_img');
	main_img.src = img_src;
	id_desc = $('specimen_id');
	id_desc.innerHTML = specimen_id;
	
}

Behaviour.register(species_image_rules);