var the_imageoff = new Image();
var the_imageon = new Image();

// GENERAL IMAGES

function img_act(imgName){ 

if (document.images){ 
the_imageoff[imgName] = new Image();
the_imageon[imgName] = new Image();
the_imageoff[imgName].src = "/g_images/" + imgName + ".gif"
the_imageon[imgName].src = "/g_images/" + imgName + "L.gif";

document.images[imgName].src = the_imageon[imgName].src;
}
}

function img_inact(imgName){ 

if (document.images){ 
the_imageoff[imgName] = new Image();
the_imageon[imgName] = new Image();
the_imageoff[imgName].src = "/g_images/" + imgName + ".gif"
the_imageon[imgName].src = "/g_images/" + imgName + "L.gif";
document.images[imgName].src = the_imageoff[imgName].src;
}
}