function change_pic(nom) {
	var curval = parseInt(document.getElementById('curr').value) + parseInt(nom);
	var myHidden = document.getElementById('pics_all');
	var champdescs = myHidden.value.split('**');
	document.getElementById('pic_pic').src = champdescs[curval];
//	document.getElementById('pic_url').href = champdescs[curval].replace('/pic_mid/', '/pic_big/');
	if (curval == 1)
	{
		document.getElementById('prev').style.display = "none";
	}
	else
	{
		document.getElementById('prev').style.display = "block";	
	}
	if (curval == champdescs.length - 1)
	{
		document.getElementById('next').style.display = "none";
	}
	else
	{
		document.getElementById('next').style.display = "block";	
	}		
	document.getElementById('curr').value = curval; 
}