var xmlHttp

function showSub(str) {
	if(str == "activities" || str == "attractions" || str == "accommodations") {
		document.getElementById('subCattbl').style.display = "block";
	}

	if(str == "electric_cars" || str == "scooters" || str == "bikes") {
		document.getElementById('subCattbl').style.display = "none";
	}

xmlHttp=GetXmlHttpObject()
	if (xmlHttp==null)
	{
		alert ("Browser does not support HTTP Request")
		return
	} 
	var url="subCategory_sql.php"
	url=url+"?cid="+str
	url=url+"&sid="+Math.random()
	xmlHttp.onreadystatechange=stateChanged;
	xmlHttp.open("GET",url,true);
	xmlHttp.send(null);
} 

function stateChanged() 
{ 
	if (xmlHttp.readyState==4)
	{ 
		document.getElementById("subCat").innerHTML=xmlHttp.responseText;
	}
}

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;
}