function createRequestObject()
{
	var request_p;
	var browser = navigator.appName;
	if(browser == "Microsoft Internet Explorer")
	{
		request_p = new ActiveXObject("Microsoft.XMLHTTP");
	}
	else
	{
		request_p = new XMLHttpRequest();
	}
	return request_p;
	
}

var http = createRequestObject();

function getEvent(smile)
{
	var happyFile = smile + ".php";
	http.open('get', happyFile, true);
	http.onreadystatechange = handleEvent;
	http.send(null); 
	change_css(smile);

}






function handleEvent()
{
if(http.readyState == 4)
	{
		
		var response = http.responseText;
	
		document.getElementById('main_pictures').innerHTML = response;
		
	}
}