var xmlHttp;
var divID,url,syc,syc2;
syc = 0;
syc2 = 0;
var syf = new Array('','html_fnc_lst','ust','urun','urundetay');
var dID = new Array('ana','ana','ust');
var gecUrl = new Array();
var gecUrldID = new Array();

function urlDuzenle(divIDNo,syfKod,qStr,mdlKod){
	divID	=	dID[divIDNo]; //1
	url=syf[syfKod]+'.php?'+qStr + '&dml='+mdlKod; 
	gecUrl[syc]=url; 
	gecUrldID[gecUrldID.length]=divID; 
	islemlink(url);
	syc = syc + 1;
	syc2 = syc;
}
function fnc_gecmis(z){
		if(z==0&&syc>1){
			syc = syc - 1;
			divID="ana";
			islemlink(gecUrl[syc-1]);
		}else if(z==1&&syc<syc2){
			syc = syc + 1;
			divID="ana";
			islemlink(gecUrl[syc-1]);
			}
}
function syfGoster(hdfUrl){
	xmlHttp=GetXmlHttpObject(urlSncAl);
	xmlHttp.open("GET", hdfUrl , true);
	xmlHttp.send(null);
}
function urlSncAl(){
	if (xmlHttp.readyState == 4){
		if(xmlHttp.status == 200){
			document.getElementById('ana').innerHTML=xmlHttp.responseText;
			document.getElementById('katman').style.visibility='hidden';
		}else{
			document.getElementById('ana').innerHTML="Hata Olustu...";
			window.setTimeout('katman.style.visibility=\'hidden\'',3000);
		}
	}
	else{
		katman.style.visibility='visible';
	}	
}

function GetXmlHttpObject(handler){
   var objXmlHttp = null;
	try{
		objXmlHttp = new XMLHttpRequest();
		objXmlHttp.onload=handler
		objXmlHttp.onerror=handler
			alert(objXmlHttp);		
	} catch (trymicrosoft){
		try {
			objXmlHttp = new ActiveXObject("Msxml2.XMLHTTP");
			alert(objXmlHttp);
		} catch (othermicrosoft) {
			try {
				objXmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
			} catch (failed) {
				request = false;
			}
		}
			objXmlHttp.onreadystatechange=handler
   }
   return objXmlHttp
}


function nesneyarat() {
    var nesne;
    var tarayici = navigator.appName;
    if(tarayici == "Microsoft Internet Explorer"){
        nesne = new ActiveXObject("Msxml2.XMLHTTP");
    }else{
        nesne = new XMLHttpRequest();
    }
    return nesne;
}

var http = nesneyarat();

function islemlink(deger) {
    http.open('get', deger,true);
    http.onreadystatechange = cevapFonksiyonu;
    http.send(null);
}

function cevapFonksiyonu() {
	if (http.readyState == 4){
		if(http.status == 200){
			document.getElementById('ana').innerHTML=http.responseText;
			document.getElementById('katman').style.visibility='hidden';
		}else{
			document.getElementById('ana').innerHTML="Hata Olustu...";
			window.setTimeout('katman.style.visibility=\'hidden\'',3000);
		}
	}
	else{
		document.getElementById('katman').style.visibility='visible';
	}	
}