function getXMLHTTP() { 
		var xmlhttp=false;	
		try{
			xmlhttp=new XMLHttpRequest();
		}
		catch(e)	{		
			try{			
				xmlhttp= new ActiveXObject("Microsoft.XMLHTTP");
			}
			catch(e){
				try{
				xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
				}
				catch(e1){
					xmlhttp=false;
				}
			}
		}
		 	
		return xmlhttp;
    }
	
function estraegen(dd) {		
	
	var strURL="include/subcat.php?dd="+dd;
	var req = getXMLHTTP();
	
	if (req) {
		
		req.onreadystatechange = function() {
			if (req.readyState == 4) {
				// only if "OK"
				if (req.status == 200) {						
					document.getElementById('dettaglio').innerHTML=req.responseText;						
				} else {
					alert("There was a problem while using XMLHTTP:\n" + req.statusText + req.status);
				}
			}				
		}			
		req.open("GET", strURL, true);
		req.send(null);
	}		
}
function ApriWindow(theURL,winName) { 
  window.open(theURL,winName,"left=200,top=200,width=650,height=440,toolbar=no, location=no,status=yes,menubar=no,scrollbars=yes,resizable=no");
  }