function GetPhoneModels(SelectID, ManufacturerID)
{
	var PassParams = new Array('selmodel'+SelectID+'cnt', SelectStrings[SelectID]);
	var httpResult = makeRequest(JsRootUrl+'gateway/', 'action=GetManufacturerPhones&ID='+ManufacturerID, 'DisplayModelOptions', PassParams, false);
	if (httpResult != false)
	{
		return true;
	}
	else
	{
		alert('Възникна програмна грешка!');
		return false;
	}
}

function DisplayModelOptions(OptionsHTML, Params)
{
	var temp = '';
	temp += Params[1];
	temp += OptionsHTML;
	temp += '</select>';
	document.getElementById(Params[0]).innerHTML = temp;
}

function makeRequest(url, queryString, methodName, methodParams, silent)
{
	var http_request = false;

	if (window.XMLHttpRequest)
	{
		http_request = new XMLHttpRequest();
		if (http_request.overrideMimeType)
		{
			http_request.overrideMimeType('text/xml');
		}
	}
	else if (window.ActiveXObject)
	{
		try
		{
			http_request = new ActiveXObject("Msxml2.XMLHTTP");
		}
		catch (e)
		{
			try
			{
				http_request = new ActiveXObject("Microsoft.XMLHTTP");
			}
			catch (e) {}
		}
	}

	if (!http_request)
	{
		if (!silent)
		{
			alert('Браузърът не поддържа AJAX!');
		}
		return false;
	}
	http_request.onreadystatechange = function() { passResponse(http_request, methodName, methodParams); };
	http_request.open('GET', url+'?'+queryString, true);
	http_request.send(null);
	return true;
}

function passResponse(http_request, methodName, methodParams)
{
	if (http_request.readyState == 4)
	{
		if (http_request.status == 200)
		{
			if (methodName.length > 0)
			{
				eval(methodName+"('"+http_request.responseText+"', methodParams);");
			}
			return true;
		}
		else
		{
			return false;
		}
	}
}