// JavaScript Document
var http = false;

if(navigator.appName == "Microsoft Internet Explorer") {
  http = new ActiveXObject("Microsoft.XMLHTTP");
} else {
  http = new XMLHttpRequest();
} 


function Port(pag, oper) {
if(pag == ''){ var pag = '1' }
  http.open("GET",  'portfolio.php?item='+pag+'&oper='+oper, true);
  http.onreadystatechange=function() {

    if(http.readyState == 4) {
      document.getElementById('portfolio').innerHTML = http.responseText;

	  
	 }
  }
  http.send(null);
}