function updateModels(){
    var make = document.search.make.value;
    var data;
    if (document.search.searchType[1].checked)
        data = "make="+make+"&type=dealer";
    else
        data = "make="+make;
    $.ajax({  
        type: "GET",  
        url: "getModels.php",  
        data: data,
        success: function(resp){  
        // we have the response  
        document.getElementById("searchModelSelect").innerHTML = resp;
        },  
        error: function(e){  
        alert('Error: ' + e);  
        }  
   });  
}

function updateMakes(dealer){
    var data;
    if (dealer)
        data = "type=dealer";
    else
        data = "";
    $.ajax({  
        type: "GET",  
        url: "getMakes.php",  
        data: data,
        success: function(resp){  
        // we have the response  
        document.getElementById("searchMakeSelect").innerHTML = resp;
        },  
        error: function(e){  
        alert('Error: ' + e);  
        }  
   });  

}

function validateSearchForm(){
    var yearFrom = document.search.dateFromYear.value;
    var yearTo = document.search.dateToYear.value;
    var make = document.search.make.value;
    if (yearFrom > yearTo){
        alert('Starting date must be earlier than ending!');
        return false;
    }
    else if (make == -1){
        alert('Please select a Make');
        return false;
    }
    return true;
}

function lotImgChange(lot, newUrl){
    document.getElementById(lot+'LargeImage').src = "http://"+newUrl;
}