function open_pic(url)
	{  
	var html_code = '<html><head></head><body><table width="100%" height="100%" cellpadding="0" cellspacing="0"><tr valign="middle"><td align="center"><img src="'+url+'"></td></tr></table></body></html>';
	my_window = window.open('blank.html', 'picture', 'left=20,top=20,toolbar=0,resizable=1');
	my_window.document.write(html_code); 
	}
