function MM_openBrWindow(imageName,alt)
{posLeft=(screen.availWidth-200)/2;
posTop=(screen.availHeight-100)/2;
msg= '';
msg+=''+alt+'';
msg+='';
msg+='';
msg+='';
msg+='';
msg+='';
BigImage=window.open('','',"resizable=no,scrollbars=no,width=200,height=100,left="+posLeft+",top="+posTop);
BigImage.document.write(msg);
BigImage.document.close();
}