// Ajax
var idToAlert='';
var	http_request = false;
var callBack = function (){};

function sendRequest(parameters, page, id)
{
	if (window.XMLHttpRequest) // Mozilla, Safari,...
	{ 
		http_request = new XMLHttpRequest();
	} 
	else if (window.ActiveXObject) // IE
	{ 
		http_request = new ActiveXObject("Microsoft.XMLHTTP");
	}   	
	idToAlert = id;
	http_request.open('GET', page+parameters, true);
	http_request.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
 	http_request.onreadystatechange = alertContents;
	http_request.send(null);
}

function sendRequestJson(url)
{
	if (window.XMLHttpRequest) // Mozilla, Safari,...
	{ 
		http_request = new XMLHttpRequest();
	} 
	else if (window.ActiveXObject) // IE
	{ 
		http_request = new ActiveXObject("Microsoft.XMLHTTP");
	}   	

	http_request.open('GET', url, true);
	http_request.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
 	http_request.onreadystatechange = alertJsonContents;
	http_request.send(null);
	
}

function alertJsonContents()
{
	if( http_request.readyState == 4 && http_request.status == 200)
	{
		result = http_request.responseText;
		
		eval('array = ' + result);

		for(i=0; i< array.length; i++)
		{
			document.getElementById(array[i]['id']).innerHTML = array[i]['content'];
		}
        callBack();
        callBack = function(){};
	}
}

function alertContents()
{
	if( http_request.readyState == 4 && http_request.status == 200)
	{
		result = http_request.responseText;
		//alert(result);
        document.getElementById(idToAlert).innerHTML = result;
        callBack();
        callBack = function(){};
	}
}

function getContent(url, idToDisplay)
{
	sendRequest(url, '', idToDisplay);
}