function load_models(make, site, page){
	var default_form ="<select name=\"model\" class=\"form_field\" style=\"margin-bottom: 3px; margin-top: 3px; width: 152px;\"><option value=\"\">Select a Brand</option></select>";
	var ajaxRequest;  // The variable that makes Ajax possible!
	
	try{
		// Opera 8.0+, Firefox, Safari
		ajaxRequest = new XMLHttpRequest();
	} catch (e){
		// Internet Explorer Browsers
		try{
			ajaxRequest = new ActiveXObject("Msxml2.XMLHTTP");
		} catch (e) {
			try{
				ajaxRequest = new ActiveXObject("Microsoft.XMLHTTP");
			} catch (e){
				// Something went wrong
				alert("Your browser broke!");
				return false;
			}
		}
	}
	// Create a function that will receive data sent from the server
	ajaxRequest.onreadystatechange = function(){
		if(ajaxRequest.readyState == 4){
			var response = ajaxRequest.responseText;
			/* decide what to do based on the reponse context */
			if(response.length >0) {
				document.getElementById("model").innerHTML	= response;
				
			}else{
				document.getElementById("model").innerHTML	= default_form;
				document.getElementById("body_shape").disabled = false;
			}
		}
	}
	var queryString = "?make=" + make +"&site=" +site + "&page=" + page;
	ajaxRequest.open("GET", "/template/find-models.php" + queryString, true);
	ajaxRequest.send(null); 
	
}
function disable_body(value){
	if(value.length > 0){
		document.getElementById("body_shape").disabled = true;
		document.getElementById("body_shape").value = "All";
	}else{
		document.getElementById("body_shape").disabled = false;
	}
}