function createRequestObject() {
	
		var req;
	
		if(window.XMLHttpRequest){
			// Firefox, Safari, Opera...
			req = new XMLHttpRequest();
		} else if(window.ActiveXObject) {
			// Internet Explorer 5+
			req = new ActiveXObject("Microsoft.XMLHTTP");
		} else {
			// There is an error creating the object,
			// just as an old browser is being used.
			alert('There was a problem creating the XMLHttpRequest object');
		}
	
		return req;
	
	}
	
	// Make the XMLHttpRequest object
	var http = createRequestObject();


function verLink(pagina){
	http.open('post', pagina, true);
	http.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
	http.onreadystatechange = retorna;
	http.send('');
}


function retorna() {
		if(http.readyState == 1){
			window.scrollBy(0,-11000);
			document.getElementById("container").innerHTML = "" ;
			
		}
		else if(http.readyState == 4){
			if(http.status == 200){
				var response = http.responseText;
				if(response) {

					document.getElementById("container").innerHTML = response;
				}
			}
			else{
				var response = http.responseText;
				document.getElementById("container").innerHTML = response;
				
			}
		}
	}