function openimg(img,width,height,alt,leftpos,toppos) {
if (!leftpos || !toppos) {
leftpos = (screen.height - height)/2;
toppos = (screen.width - width)/2;
}
win = window.open("","win","width="+width+",height="+height+",left="+leftpos+",top="+toppos);
win.document.open();
win.document.write(''+alt+'');
win.document.write('
');
win.document.write('');
win.document.close();
win.focus();
}
function targetopener(mylink, noclose, closeonly) {
if (!(window.focus && window.opener)) return true;
window.opener.focus();
if (!closeonly) window.opener.location.href=mylink.href;
if (!noclose) window.close();
return false;
}