function photozoom(phototarget, photox, photoy, photofile, captionholder, photocaption)
{
		captionspan=document.getElementById(captionholder);
		captionspan.innerHTML=photocaption;
		photoimg=document.getElementById(phototarget);
		photoimg.style.visibility="hidden";
		photoimg.width=photox;
		photoimg.height=photoy;
		photoimg.src=photofile;
		photoimg.style.visibility="visible";
}