/* -------------------------- */
/*   XMLHTTPRequest Enable    */
/* -------------------------- */
function createObject() {
var request_type;
var browser = navigator.appName;
if(browser == "Microsoft Internet Explorer"){
request_type = new ActiveXObject("Microsoft.XMLHTTP");
} else {
request_type = new XMLHttpRequest();
}
return request_type;
}
var http = createObject();

/* -------------------------- */
/*        showAll()    	  */
/* -------------------------- */
function showAll()
{
	var sel = document.getElementById("marka_avto");
	if( sel.value!="") {showModels()}
}

/* -------------------------- */
/*        showModels()    	  */
/* -------------------------- */
function showModels()
{
var sel = document.getElementById("marka_avto");
nocache = Math.random();
http.open('get', '/ajax.php?show_mod='+sel.value+'&nocache ='+nocache);
http.onreadystatechange =  modOK;
http.send(null);
}
function modOK()
{
	if(http.readyState == 4)
	{
	var response = http.responseText;	
	document.getElementById("span_model_avto").innerHTML='<span id="span_model_avto">'+response+'</span>';
	}
}