function showCompareDD(){
   document.getElementById("vanCompareSelectMercedesModel").style.display="block";
   document.getElementById("vanCompareSelectMercedesModelButton").style.display="none";
}

function showFindBtn(){
   document.getElementById("vanCompareSelectMercedesModel").style.display="none";
   document.getElementById("vanCompareSelectMercedesModelButton").style.display="block";
}