function loadModel(id, model) { 
var rnd = Math.random();
url = 'selectmodel.php?nomo_id=' + id; 
url += '&model=' + model;
url += '&rnd=' + rnd;
disabled = '<select name="rayon" disabled style="color: #FFFFFF; background-color: #8A8A8A; width: 80%;"><option value="" disabled>загрузка...</option></select>';
    if (window.XMLHttpRequest) { 
        req2 = new XMLHttpRequest(); 
        req2.onreadystatechange = processChangePolis; 
        req2.open("GET", url, true); 
	document.getElementById('modeler').innerHTML=disabled
        req2.send(null); 

    } else if (window.ActiveXObject) { 
        req2 = new ActiveXObject("Microsoft.XMLHTTP"); 
        if (req2) { 
            req2.onreadystatechange = processChangePolis; 
            req2.open("GET", url, true); 
	document.getElementById('modeler').innerHTML=disabled
            req2.send(); 
        } 
    } 
} 

function processChangePolis() { 
    if (req2.readyState == 4) { 
        if (req2.status == 200) { 
            document.getElementById('modeler').innerHTML=req2.responseText 
        } else { 
            alert("Error!" + 
                req2.statusText); 
        } 
    } 
}