var newwindow = '';

function show_full_image(img_url, width, height)
{
	var url = '/full_image.php?x=' + width + '&y=' + height + '&img=' + img_url;

//	var w_width		= width + 20;
//	var h_height	= height + 20;

	if ( newwindow && newwindow.location && !newwindow.closed )
	{
	    newwindow.location.href = url;
	    newwindow.focus();
	}
	else
	{
	    newwindow = window.open(url, 'htmlname' , 'width=620,height=460,resizable=1');
	}
}