//Ajax functions
//w3schools.com
function GetXmlHttpObject(){
	var xmlHttp=null;
  	try{
		// Firefox, Opera 8.0+, Safari
		xmlHttp=new XMLHttpRequest();
	}
  	catch (e){
    // Internet Explorer
		try{
		  xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
		}
    	catch (e){
		  xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
		}
    }
  	
	return xmlHttp;
} 

function genCar(year,make,model,submodel,engine,partno){
	alert("here ");
	/*var p = "s"+partno;
	
	var shows = document.getElementById(p).value;
	
	if(shows == 1){
		document.getElementById(p).value = 0;
	}else{
		document.getElementById("car_here").innerHTML="";
		document.getElementById(p).value = 1;
		return;
	}*/
		
	xmlHttpx=GetXmlHttpObject();
	if (xmlHttpx==null){
  		alert ("Your browser does not support AJAX! \nThis page may not work properly.");
  		return;
  	} 

	
	var url="gen_car.php";
	url=url+"?year="+year;
	url=url+"&make="+make;
	url=url+"&model="+model;
	url=url+"&submodel="+submodel;
	url=url+"&engine="+engine;
	url=url+"&partno="+partno;
	url=url+"&sid="+Math.random();
	xmlHttpx.onreadystatechange=function() { 
		if (xmlHttpx.readyState==4){ 
			document.getElementById("car_here").innerHTML=xmlHttpx.responseText;
		}
	};
	xmlHttpx.open("GET",url,true);
	xmlHttpx.send(null);
	
}