var xmlHttp_busca;

function showBusca(str_busca)
{ 
	xmlHttp_busca = GetxmlHttpObject();
	 
	if (xmlHttp_busca == null)
	{
		alert ("Browser does not support HTTP Request")
		return
	}
		var url_busca = "busca_ajax_home.php";
		url_busca = url_busca + "?b=" + str_busca;
		xmlHttp_busca.onreadystatechange = stateChanged_busca ;
		xmlHttp_busca.open("GET",url_busca,true);
		xmlHttp_busca.send(null);
}

function stateChanged_busca() 
{ 
	var loader = "<img src='swf/ajax-loader-home.gif' style='margin:0 0 50px 0'>"
	if (xmlHttp_busca.readyState == 1 || xmlHttp_busca.readyState == 2 || xmlHttp_busca.readyState == 3)
	{ 
		document.getElementById("busca").innerHTML = loader;
	}
	if (xmlHttp_busca.readyState == 4 || xmlHttp_busca.readyState == "complete")
	{ 
		document.getElementById("busca").innerHTML = xmlHttp_busca.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;
}