var xmlhttp = false;
try {
	sxmlhttp = new AcctiveXObject("Msxml2.XMLHTTP");
	alert ("Voce esta usando o Internet Explorer");
}

catch (e) {
	try {
		smlhttp = new ActiveXObject("Microsoft.XMLHTTP");
		//alert ("Voce esta usando o Internet Explorer")
	}
	catch (E) {  
		xmlhttp = false;
	}
}

if (!xmlhttp && typeof XMLHttpRequest != 'undefinied'){
	xmlhttp = new XMLHttpRequest();
	//alert ("Voce nao esta usando o Internet Explorer");
}

function makerequest(serverPage, objID){
	
	var obj = document.getElementById(objID);
	xmlhttp.open("GET", serverPage);
	xmlhttp.onreadystatechange = function() {
		if (xmlhttp.readyState == 4 && xmlhttp.status == 200){
			obj.innerHTML = xmlhttp.responseText;
		}
	}
	xmlhttp.send(null);	
}