var xmlHttp

function del_confirm(id,name)
{
	xmlHttp=GetXmlHttpObject();
	if (xmlHttp==null)
	{
		alert ("Your browser does not support AJAX!");
		return;
	} 
	
	if (confirm('Czy na pewno usunąć '+id+' '+name+'?'))
	{
	  var url="index.php";
	  url=url+"?person_del="+id;
	  xmlHttp.onreadystatechange=null;
	  xmlHttp.open("GET",url,true);
	  xmlHttp.send(null);
	}	
} 

function showschool(edu_level)
{
	if (edu_level.length==0)
	{ 
		document.getElementById("school").innerHTML="";
		return;
	}
	xmlHttp=GetXmlHttpObject();
	if (xmlHttp==null)
	{
		alert ("Your browser does not support AJAX!");
		return;
	} 
	var url="getschool.php";
	url=url+"?edu_level="+edu_level+"&header=true";
	xmlHttp.onreadystatechange=stateChanged;
	xmlHttp.open("GET",url,true);
	xmlHttp.send(null);
} 

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