function newphoto(fname,wt,ht,id1,id2,id3) 
{
document.pht.src="../images/casestudies_big/" + fname + ".jpg"
document.pht.width=wt;
document.pht.height=ht;
identity=document.getElementById(id1);
identity.className='cs_imgOn';
identity=document.getElementById(id2);
identity.className='cs_img';
identity=document.getElementById(id3);
identity.className='cs_img';
}