var tImg = ['styles/diabloforum/theme/images/glowa2.png','styles/diabloforum/theme/images/glowa1.png'];

      

var vImg = true;

function fSetImg(){

   if (vImg){

      document.getElementById('iImg').src = tImg[1];

      vImg = false;

   }

   

   else {

      document.getElementById('iImg').src = tImg[0];

      vImg = true;

   }

}