function showimage()
{
if (!document.images)
{
return
}
chosen = "";
len = document.imagegallery.squad_image.length;
for (i = 0; i <len; i++) 
{
if (document.imagegallery.squad_image[i].checked) 
{
chosen = document.imagegallery.squad_image[i].value;
}
}
document.images.img_xmlimage.src=chosen;
}