/*

modo de usar: 
onclick="pesquisar_dados('home.php','div')"

*/
function pesquisar_dados(page, var1) {
	http.open("GET", page, true);
	http.onreadystatechange = function handleHttpResponse()	{
		if (http.readyState == 4) {
			document.getElementById(var1).innerHTML = http.responseText;
		} else {
			document.getElementById(var1).innerHTML = '<div class="carregando">carregando...</div>'
		}
	};
	http.send(null);
}

function getHTTPObject() {
	var xmlhttp;
	/*@cc_on
	@if (@_jscript_version >= 5)
	try {
		xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
	} catch (e) {
		try {
		xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
		} catch (e) {
		xmlhttp = false;
		}
	}
	@else
	xmlhttp = false;
	@end @*/
	if (!xmlhttp && typeof XMLHttpRequest != 'undefined') {
		try {
		xmlhttp = new XMLHttpRequest();
		} catch (e) {
		xmlhttp = false;
		}
	}
	return xmlhttp;
}
var http = getHTTPObject();