function showpic(pic, width, height){
	if (width)
		width= "width=" +(width)  + ',';
	if (height)
		height= "height=" + (height) + ',';	
	win = window.open('pic.php?pic=' + pic, 'popup', 'toolbar=no,location=no,status=no,menubar=no,scrollbars=no,resizable=no,menu=0, scrolling=0, ' + width + height + ' top=100, left=100');
	win.focus();
}