function viewImg(img)
{
	win_width=740;
	win_height=630;

	pos_left=Math.round((screen.width-win_width)/2);
	pos_top=Math.round((screen.height-win_height)/2);

	window.open("viewimg.php?img="+img, "viewimg", "fullscreen=no,width="+win_width+",height="+win_height+",left="+pos_left+",top="+pos_top+",resizable=no,scrollbars=no");


	return false;
}