ajax = new sack();
function checkbrand(laptopid)
{
    //alert(laptopid);
	// ajax.requestFile 	= 	'ajaxupdate.php?laptopid='+document.frmpsd.select_laptop.value;
	
	 document.getElementById('modelnumaj_loading_ins').style.display = "none" ;
     document.getElementById('modelnumaj').style.display = "none";
     document.getElementById('modelsaj').style.display = "none";
	 document.getElementById('modelsaj_loading_ins').style.display = "none" ;
	 document.getElementById('seriesaj').style.display = "none";
	 document.getElementById('seriesaj_loading_ins').style.display = "block" ;	 
	 
    ajax.requestFile 	= 	parts_path+'ajaxserieslist_guides.php?laptopid='+laptopid;
//	alert(ajax.requestFile);
	  	ajax.onCompletion = 	checkResult;
		  ajax.runAJAX();
}
function checkResult()
{
    //alert("ajax.response="+ajax.response);
    
       document.getElementById('seriesaj').style.display = "block";
       document.getElementById('seriesaj_loading_ins').style.display = "none" ;
       document.getElementById('modelsaj_loading_ins').style.display = "none" ;
       document.getElementById('modelsaj').style.display = "none";
       document.getElementById('modelnumaj_loading_ins').style.display = "none" ;
       document.getElementById('modelnumaj').style.display = "none";
       
    var text       = ajax.response;
    document.getElementById('seriesaj').innerHTML = text ;
    document.getElementById('modelsaj').innerHTML = "" ;
    document.getElementById('modelnumaj').innerHTML = "" ;
}


function checkseries(laptopid,seriesid)
{
    //alert(laptopid+"---"+seriesid);
	// ajax.requestFile 	= 	'ajaxupdate.php?laptopid='+document.frmpsd.select_laptop.value;
	
	
	document.getElementById('modelnumaj_loading_ins').style.display = "none" ;
    document.getElementById('modelnumaj').style.display = "none";
    document.getElementById('modelsaj').style.display = "none";
    document.getElementById('modelsaj_loading_ins').style.display = "block" ;
    
    ajax.requestFile 	= 	parts_path+'ajaxmodelslist_guides.php?laptopid='+laptopid+'&seriesid='+seriesid;
	  	ajax.onCompletion = 	checkResultSeries;
		  ajax.runAJAX();
}
function checkResultSeries()
{
    //alert("ajax.response="+ajax.response);
    
    document.getElementById('modelnumaj_loading_ins').style.display = "none" ;
    document.getElementById('modelnumaj').style.display = "none";    
    document.getElementById('modelsaj').style.display = "block";
    document.getElementById('modelsaj_loading_ins').style.display = "none" ;
    
    var text       = ajax.response;
    
    document.getElementById('modelsaj').innerHTML = text ;
    document.getElementById('modelnumaj').innerHTML = "" ;
}


function checkmodels(laptopid,seriesid,modelid)
{ 
    document.getElementById('modelnumaj').style.display = "none";    
    document.getElementById('modelnumaj_loading_ins').style.display = "block" ;
    
  //alert(laptopid+"---"+seriesid+"---"+modelid);
	// ajax.requestFile 	= 	'ajaxupdate.php?laptopid='+document.frmpsd.select_laptop.value;
    ajax.requestFile 	= 	parts_path+'ajaxmodelnumlist_guides.php?laptopid='+laptopid+'&seriesid='+seriesid+'&modelid='+modelid;
	  	ajax.onCompletion = 	checkResultModels;
		  ajax.runAJAX();
}
function checkResultModels()
{
    
    document.getElementById('modelnumaj').style.display = "block";    
    document.getElementById('modelnumaj_loading_ins').style.display = "none" ;
   // alert("ajax.response="+ajax.response);
    var text       = ajax.response;
    document.getElementById('modelnumaj').innerHTML = text ;
}