function showPopup(domid,width) {
	var popupback=document.getElementById('popupback'+domid);
	var popupimg=document.getElementById('popupimg'+domid);
	var popupclose=document.getElementById('popupclose'+domid);
	document.body.style.overflowX='hidden';
	document.body.style.overflowY='hidden';
	popupback.style.display='block';
	popupimg.style.display='block';
	popupclose.style.display='block';
	popupclose.style.marginLeft=(width-20);
	popupback.style.width=document.body.clientWidth+'px';
	popupback.style.height=document.body.clientHeight+'px';
}

function closePopup(domid) {
	var popupback=document.getElementById('popupback'+domid);
	var popupimg=document.getElementById('popupimg'+domid);
	var popupclose=document.getElementById('popupclose'+domid);
	document.body.style.overflowX='auto';
	document.body.style.overflowY='auto';
	popupback.style.display='none';
	popupimg.style.display='none';
	popupclose.style.display='none';
}