// Pre load button images
button_back_on = new Image(71,22); 
button_back_on.src="images/button_back_on.gif"; 
button_back_off = new Image(71,22); 
button_back_off.src="images/button_back_off.gif"; 
button_checkout_on = new Image(71,22); 
button_checkout_on.src="images/button_checkout_on.gif"; 
button_checkout_off = new Image(71,22); 
button_checkout_off.src="images/button_checkout_off.gif"; 
button_continue_on = new Image(71,22); 
button_continue_on.src="images/button_continue_on.gif"; 
button_continue_off = new Image(71,22); 
button_continue_off.src="images/button_continue_off.gif"; 
button_login_on = new Image(71,22); 
button_login_on.src="images/button_login_on.gif"; 
button_login_off = new Image(71,22); 
button_login_off.src="images/button_login_off.gif"; 
button_redeem_on = new Image(71,22); 
button_redeem_on.src="images/button_redeem_on.gif"; 
button_redeem_off = new Image(71,22); 
button_redeem_off.src="images/button_redeem_off.gif"; 
button_remove_on = new Image(71,22); 
button_remove_on.src="images/button_remove_on.gif"; 
button_remove_off = new Image(71,22); 
button_remove_off.src="images/button_remove_off.gif"; 
button_save_on = new Image(71,22); 
button_save_on.src="images/button_save_on.gif"; 
button_save_off = new Image(71,22); 
button_save_off.src="images/button_save_off.gif"; 
button_send_on = new Image(71,22); 
button_send_on.src="images/button_send_on.gif"; 
button_send_off = new Image(71,22); 
button_send_off.src="images/button_send_off.gif"; 
button_update_on = new Image(71,22); 
button_update_on.src="images/button_update_on.gif"; 
button_update_off = new Image(71,22); 
button_update_off.src="images/button_update_off.gif"; 

function button_hoverOn(imgName, lineId)
 {
   if (document.images)
    {
      imgName = imgName.replace(lineId, "");
      imgOn=eval(imgName + "_on.src");
      document[imgName + lineId].src= imgOn;
    }
 }

function button_hoverOff(imgName, lineId)
 {
   if (document.images)
    {
      imgName = imgName.replace(lineId, "");
      imgOff=eval(imgName + "_off.src");
      document[imgName + lineId].src= imgOff;
    }
 }

/*  Non repeating use
<A href="javascript: document.FORM_NAME.submit()" onMouseover="button_hoverOn('button_continue', '')" onMouseout="button_hoverOff('button_continue', '')"> 
<IMG SRC="images/button_continue_off.gif" name="button_continue" width="94" height="32" border="0"></A> 

For use in repeating structures
<a href="javascript: document.basket_contents&mvte:item:line_id;.submit()" OnMouseOver="button_hoverOn('button_update&mvte:item:line_id;', '&mvte:item:line_id;')" OnMouseOut="button_hoverOff('button_update&mvte:item:line_id;', '&mvte:item:line_id;')">
<img alt="Update" src="images/button_update_off.gif" name="button_update&mvte:item:line_id;" width="94" height="32" border="0" ></a>
*/