function imageSwapIn(imgID,newSrc){
   var image = document.getElementById(imgID);
   var oldSrc = image.setAttribute('oldSrc',image.src);
   image.src = newSrc;
}
function imageSwapOut(imgID){
   var image = document.getElementById(imgID);
   var oldSrc = image.getAttribute('oldSrc');
   image.src = oldSrc;
   image.removeAttribute('oldSrc');
}
/* clears 'zip code' keyword */
function clearFinderzip(){
     var finderzip = document.getElementById('finderzip')
     if(finderzip){
     	finderzip.onfocus = function(){this.value='';} 
     }
}
function clearSearch(){
     var search = document.getElementById('keyword')
     if(search){
        search.onfocus = function(){this.value='';} 
     }
}
function loader(){clearFinderzip(); clearSearch();}
window.onload = loader;