// JavaScript Document
var http_request = false;
function makeRequest(url, callback_function, return_xml) {
	http_request = false;
  if (window.XMLHttpRequest) { // Mozilla, Safari,...
  	http_request = new XMLHttpRequest();
    if (http_request.overrideMimeType) 
    	{http_request.overrideMimeType('text/xml');}
  } 
  else if (window.ActiveXObject) { // IE
	    try {
	        http_request = new ActiveXObject("Msxml2.XMLHTTP");
	    } catch (e) {
	        try {
	            http_request = new ActiveXObject("Microsoft.XMLHTTP");
	        } catch (e) {}
	    }
	}
 	if (!http_request) {
		alert('Giving up :( Cannot create an XMLHTTP instance');
    return false;
  }
	http_request.onreadystatechange = function() {
  	if (http_request.readyState == 4) {
    	if (http_request.status == 200) {
      	if (return_xml) {
					eval(callback_function + '(http_request.responseXML)');
        } 
				else {
					eval(callback_function + '(http_request.responseText)');
        }
      } 
			else {
      	alert('There was a problem with the request.(Code: ' + http_request.status + ')');
      }
    }
  } 			
  http_request.open('GET', url, true);
  http_request.send(null);
}

function fnGetQSModels(Make) {
	if (Make != '') {
		//alert('/Search/QuickSearch_V.cfm?Make='+Make);
		makeRequest('/Search/QuickSearch_V.cfm?Make='+Make, 'fnPopulateQSModels',true);
		return false;
	}
	else {
		document.quicksearch.model.length = 1;
		document.quicksearch.model[0].text = 'All Models';
		document.quicksearch.model[0].value = '';
	}
}

function fnPopulateQSModels(PassedXML) {
	var collection = PassedXML.getElementsByTagName('model')
	document.quicksearch.model.length = 1;
	document.quicksearch.model.length = collection.length+1;
	document.quicksearch.model[0].text = 'All Models';
	document.quicksearch.model[0].value = '';
	for (i=1; i < (collection.length+1); i++) {
		document.quicksearch.model[i].text = collection.item(i-1).firstChild.nodeValue;
		document.quicksearch.model[i].value = collection.item(i-1).firstChild.nodeValue;
	}
	document.quicksearch.model[0].selected = true;
}