var xmlHttp

function changeID(id) {
	for(i=0; i<7; i++) {
		document.getElementById("sector_"+i).style.background = "";
	}
	document.getElementById(id).style.background = "url(/img2/news/nav1.gif) repeat-x top left";
}

function showSector(str)
{ 
	xmlHttp=GetXmlHttpObject();
	if (xmlHttp==null)
	{
	 alert ("Browser does not support HTTP Request");
	 return;
	}
	var url="/ajax/SectorMain.php";
	url=url+"?sec_id="+str;
	xmlHttp.onreadystatechange=stateChanged;
	xmlHttp.open("GET",url,true);
	xmlHttp.send(null);
}

function stateChanged() 
{ 
	if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
	 { 
	   document.getElementById("news3").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;
}