function popGallery(dir, pic) {
    var xpos = screen.availWidth/2-880/2
    var ypos = screen.availHeight/2-660/2
    window.open('picview.php?dir='+dir+'&pic='+pic,'picwin',"toolbar=no,menubar=no,scrollbars=yes,width=880,height=660,screenX="+xpos+",screenY="+ypos)

}

function bigpic(pic) {
    var xpos = screen.availWidth/2-580/2
    var ypos = screen.availHeight/2-580/2
    window.open('bigpic.php?pic='+pic,'picwin',"toolbar=no,menubar=no,scrollbars=yes,width=580,height=580,screenX="+xpos+",screenY="+ypos)

}