var isIMG = document.images;
var dogPromo ;
var bon, con, don, godown ;
var boff, coff, doff;

    if (isIMG) {
      bon = new Image(); 
      con = new Image(); 
      don = new Image(); 
      boff = new Image();   
      coff = new Image();   
      doff = new Image();   
      godown = new Image();   
      godown = new Image();
      bon.src = '/images/spot_flip2.gif';
      boff.src = '/images/trans.gif';
      godown.src = '/images/spot_sit.gif';      
      con.src = '/images/spot_sit.gif';
      coff.src = '/images/trans.gif';    
      don.src = '/images/bone_on.gif';
      doff.src = '/images/bone_off.gif';            
         
    }

    function b(bname) {
        if (isIMG) {
          document[bname].src = (document[bname].src.indexOf('trans.gif') != -1) ? '/images/spot_flip2.gif' : '/images/trans.gif';
        }
    }
    
    function c(cname) {
        if (isIMG) {
          document[cname].src = (document[cname].src.indexOf('trans.gif') != -1) ? '/images/spot_sit.gif' : '/images/trans.gif';
        }
    }
    
    function d(dname) {
        if (isIMG) {
          document[dname].src = (document[dname].src.indexOf('bone_off.gif') != -1) ? '/images/bone_on.gif' : '/images/bone_off.gif';
        }
    }
        
    
function openSpotMerge () {
dogPromo = window.open("http://www.betterdogfood.com/spot.html", "dogPromo", "HEIGHT=370,WIDTH=290") ;
dogPromo.focus();
} 
function CloseWindows () {
if ( (dogPromo != null ) && !dogPromo.closed )	{ dogPromo.close(); }
}