shown=''
function windowopen(url, w, h){
	if( shown=='' || shown.closed) {
		shown=window.open(url, 'windowopen', 'toolbar=0,scrollbars=0,location=0,directories=0,status=0,menubar=0,resizable=0,width='+w+',height='+h);
	} else {
		shown.close();
		shown=window.open(url, 'windowopen', 'toolbar=0,scrollbars=0,location=0,directories=0,status=0,menubar=0,resizable=0,width='+w+',height='+h);
	} 
}

function windowopenImgGallery(url, width, height){
	width = width+15;
	height = height+15;
	var w = screen.width;
	var l = ( screen.width - width )/2 +15;
	var t = ( screen.height - height )/2 - 0;
	if( shown=='' || shown.closed) {
		shown=window.open("/tpl/popup_photo.php?photo="+url, "windowopen", "toolbar=0,scrollbars=0,location=0,directories=0,status=0,menubar=0,resizable=0,left="+l+",top="+t+",width="+width+",height="+height);
	} else {
		shown.close();
		shown=window.open("/tpl/popup_photo.php?photo="+url, "windowopen", "toolbar=0,scrollbars=0,location=0,directories=0,status=0,menubar=0,resizable=0,left="+l+",top="+t+",width="+width+",height="+height);
	} 
}