function popimg(src,w,h,wname){
	var newwin;
	newwin=window.open('',wname,'width='+w+',height='+h)
	newwin.document.open();
	newwin.document.write('<html><head><title></title></head><body style="margin:0;">');
	newwin.document.write('<img src="'+src+'" />');
	newwin.document.write('</body></html>');
	newwin.document.close();
}
