/************************************* (c) interact STUDIO Mai-2008 ********************************/

function changeImage(param) 
      {
        var newImage = "url(img/gray-bg.gif)";		
        document.getElementById(param).style.backgroundImage = newImage;
      }
	  
function changeImageBack(param) 
      {
        var newImage = "url(img/blue-bg.gif)";        
		document.getElementById(param).style.backgroundImage = newImage;
      }