var xmlHttpSH
var yrSH
var mkSH
var mdSH
var action


/* show makes */
function showMakeRS(sel)
{
xmlHttpSH=GetXmlHttpObject();
if (xmlHttpSH==null)
  {
  alert ("Your browser does not support AJAX!");
  return;
  } 
var url="getmakeRS.asp";
yrRS = sel
url=url+"?y="+yrRS;
url=url+"&sid="+Math.random();
xmlHttpSH.onreadystatechange=stateChangeRSMK;
xmlHttpSH.open("GET",url,true);
xmlHttpSH.send(null);
}


/* show Models */
function showModelRS(sel)
{
xmlHttpSH=GetXmlHttpObject();
if (xmlHttpSH==null)
  {
  alert ("Your browser does not support AJAX!");
  return;
  } 
var url="getModelRS.asp";
RSMK = sel
url=url+"?m="+RSMK;
url=url+"&y="+yrRS;
url=url+"&sid="+Math.random();
xmlHttpSH.onreadystatechange=stateChangeRSMD;
xmlHttpSH.open("GET",url,true);
xmlHttpSH.send(null);
}


/* show factory racks */
function showFactRacks(sel)
{
xmlHttpSH=GetXmlHttpObject();
if (xmlHttpSH==null)
  {
  alert ("Your browser does not support AJAX!");
  return;
  } 
var url="getFactRack.asp";
RSMD = sel
url=url+"?mk="+RSMK;
url=url+"&y="+yrRS;
url=url+"&md="+RSMD;
url=url+"&sid="+Math.random();
/*document.write(RSMK);
document.write(yrRS);
document.write(RSMD);*/
xmlHttpSH.onreadystatechange=stateChangeRSFR;
xmlHttpSH.open("GET",url,true);
xmlHttpSH.send(null);
}



/*submit*/
function formsubRS(sel)
{
xmlHttpSH=GetXmlHttpObject();
if (xmlHttpSH==null)
  {
  alert ("Your browser does not support AJAX!");
  return;
  }
var url="getSubmitRS.asp";
RSFR = sel
url=url+"?mk="+RSMK;
url=url+"&y="+yrRS;
url=url+"&md="+RSMD;
url=url+"&fr="+RSFR;
url=url+"&sid="+Math.random();
xmlHttpSH.onreadystatechange=stateChangeRSSB;
xmlHttpSH.open("GET",url,true);
xmlHttpSH.send(null);
}

function stateChangeRSMK() 
{ 
if (xmlHttpSH.readyState==4)
{ 
document.getElementById("txtVehsh").innerHTML=xmlHttpSH.responseText;
}
}

function stateChangeRSMD() 
{ 
if (xmlHttpSH.readyState==4)
{ 
document.getElementById("txtModsh").innerHTML=xmlHttpSH.responseText;
}
}

function stateChangeRSFR() 
{ 
if (xmlHttpSH.readyState==4)
{ 
document.getElementById("txtFactRack").innerHTML=xmlHttpSH.responseText;
}
}





function stateChangeRSSB() 
{ 
if (xmlHttpSH.readyState==4)
{ 
document.getElementById("btnSubmit").innerHTML=xmlHttpSH.responseText;
}
}

function GetXmlHttpObject()
{
var xmlHttpSH=null;
try
  {
  // Firefox, Opera 8.0+, Safari
  xmlHttpSH=new XMLHttpRequest();
  }
catch (e)
  {
  // Internet Explorer
  try
    {
    xmlHttpSH=new ActiveXObject("Msxml2.XMLHTTP");
    }
  catch (e)
    {
    xmlHttpSH=new ActiveXObject("Microsoft.XMLHTTP");
    }
  }
return xmlHttpSH;
}