if(document.images){

iapp1_off = new Image();
iapp1_off.src = "images/shared/gm_navi_03_off.gif";
iapp1_on = new Image();
iapp1_on.src = "images/shared/gm_navi_03_on.gif";


iapp2_off = new Image();
iapp2_off.src = "images/shared/gm_navi_04_off.gif";
iapp2_on = new Image();
iapp2_on.src = "images/shared/gm_navi_04_on.gif";


iapp3_off = new Image();
iapp3_off.src = "images/shared/gm_navi_05_off.gif";
iapp3_on = new Image();
iapp3_on.src = "images/shared/gm_navi_05_on.gif";


iapp4_off = new Image();
iapp4_off.src = "images/shared/gm_navi_06_off.gif";
iapp4_on = new Image();
iapp4_on.src = "images/shared/gm_navi_06_on.gif";


iapp5_off = new Image();
iapp5_off.src = "images/shared/gm_navi_07_off.gif";
iapp5_on = new Image();
iapp5_on.src = "images/shared/gm_navi_07_on.gif";


iapp6_off = new Image();
iapp6_off.src = "images/shared/gm_navi_08_off.gif";
iapp6_on = new Image();
iapp6_on.src = "images/shared/gm_navi_08_on.gif";


iapp7_off = new Image();
iapp7_off.src = "images/shared/gm_navi_09_off.gif";
iapp7_on = new Image();
iapp7_on.src = "images/shared/gm_navi_09_on.gif";


iapp8_off = new Image();
iapp8_off.src = "images/shared/gm_navi_10_off.gif";
iapp8_on = new Image();
iapp8_on.src = "images/shared/gm_navi_10_on.gif";

home_off = new Image();
home_off.src = "images/shared/gm_navi_home_off.gif";
home_on = new Image();
home_on.src = "images/shared/gm_navi_home_on.gif";


main_off = new Image();
main_off.src = "images/shared/gm_navi_main_off.gif";
main_on = new Image();
main_on.src = "images/shared/gm_navi_main_on.gif";

}

function Active(imgname){  
  if (document.images){
    newImage = eval(imgname + '_on.src')
    document.images[imgname].src = newImage;
  }
}


function Inactive(imgname){
  if (document.images){
    newImage = eval(imgname + '_off.src')
    document.images[imgname].src = newImage;
  }
}