function getXMLHTTP() { //fuction to return the xml http object
        var xmlhttp=false;    
        try{
            xmlhttp=new XMLHttpRequest();
        }
        catch(e)    {        
            try{            
                xmlhttp= new ActiveXObject("Microsoft.XMLHTTP");
            }
            catch(e){
                try{
                    xmlhttp=new XMLHttpRequest()
                    }
                catch(e1){
                    xmlhttp=false;
                }
            }
        }
             
        return xmlhttp;
    }
    
    function getHtCity(stateId) {        
        var strURL="templates/hotelCity.php?state="+stateId;
       //alert(strURL);
        var req = getXMLHTTP();
        //alert(req);
        if (req) {
            
            req.onreadystatechange = function() {
                if (req.readyState == 4) {
                    // only if "OK"
                    //alert(req.readyState);
                   //alert(req.responseText); 
                    if (req.status == 200) {                        
                        
                        document.getElementById('tdhcity').innerHTML=req.responseText;                        
                    } else {
                        alert("There was a problem while using XMLHTTP:\n" + req.statusText);
                    }
                }                
            }            
            req.open("GET", strURL, true);
            req.send(null);
        }
                
    }
	 function getCarCity(stateId) {        
        var strURL="templates/carCity.php?state="+stateId;
       //alert(strURL);
        var req = getXMLHTTP();
        //alert(req);
        if (req) {
            
            req.onreadystatechange = function() {
                if (req.readyState == 4) {
                    // only if "OK"
                    //alert(req.readyState);
                   //alert(req.responseText); 
                    if (req.status == 200) {                        
                        
                        document.getElementById('tdcrcity').innerHTML=req.responseText;                        
                    } else {
                        alert("There was a problem while using XMLHTTP:\n" + req.statusText);
                    }
                }                
            }            
            req.open("GET", strURL, true);
            req.send(null);
        }
                
    }
	 function getAptCity(stateId) {        
        var strURL="templates/aptCity.php?state="+stateId;
       //alert(strURL);
        var req = getXMLHTTP();
        //alert(req);
        if (req) {
            
            req.onreadystatechange = function() {
                if (req.readyState == 4) {
                    // only if "OK"
                    //alert(req.readyState);
                   //alert(req.responseText); 
                    if (req.status == 200) {                        
                        
                        document.getElementById('tdaptcity').innerHTML=req.responseText;                        
                    } else {
                        alert("There was a problem while using XMLHTTP:\n" + req.statusText);
                    }
                }                
            }            
            req.open("GET", strURL, true);
            req.send(null);
        }
                
    }