function image(gal, pic, w, h)

{

var l = eval(screen.width/2 - w/2);	

var t = eval(screen.height/2 - h/2);

var url = 'images.php?img='+gal+'_'+pic;

var data = "fullscreen=no,toolbar=no,status=no,menubar=no,scrollbars=no,resizable=no,directories=no,location=no,width="+w+",height="+h+",left="+l+",top="+t;

window.open(url, name, data);

}