function popw(imag)
{
 im = new Image;
 im.src = imag;
 wt = im.width + 36;  
 ht = im.height + 36;
 var top=50;
 var left=50;
 window.open("show.php?image=" + imag, "Popup", "toolbar=0,location=0,directories=0,menuBar=0,top="+top+",left="+left+",scrollbars=1,resizable=1,copyhistory=0,menuBar=0,width=" + wt + ",height=" + ht);
}

function popparam(page,largeur,hauteur)
{
 wt = largeur + 36;  
 ht = hauteur + 36;
 var top=50;
 var left=50;
 window.open(page, "Popup", "toolbar=0,location=0,directories=0,menuBar=0,top="+top+",left="+left+",scrollbars=1,resizable=1,copyhistory=0,menuBar=0,width=" + wt + ",height=" + ht);
}