var req;

function synchCombo(idMaster,idSlave,nomeMappa,url) {
	var master = document.getElementById(idMaster);
	var index = master.selectedIndex;

	if (typeof XMLHttpRequest != "undefined") {
	    req = new XMLHttpRequest();
	} else if (window.ActiveXObject) {
	    req = new ActiveXObject("Microsoft.XMLHTTP");
	}

	var masterValue = master.options[index].value;
	
	var postDataStr = 
		"idMaster=" + encodeURIComponent(idMaster) +
		"&idSlave=" + encodeURIComponent(idSlave) +
		"&masterValue=" + encodeURIComponent(masterValue) +
		"&nomeMappa=" + encodeURIComponent(nomeMappa);

	req.open("POST", url, true);
	req.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
	req.onreadystatechange = synchComboCallback;
	req.send(postDataStr);
}

function synchSearch(idMaster,idSlave,url) {
	var master = document.getElementById(idMaster);

	if (typeof XMLHttpRequest != "undefined") {
	    req = new XMLHttpRequest();
	} else if (window.ActiveXObject) {
	    req = new ActiveXObject("Microsoft.XMLHTTP");
	}

	var searchString = master.value;
	
	var postDataStr = 
		"idMaster=" + encodeURIComponent(idMaster) +
		"&idSlave=" + encodeURIComponent(idSlave) +
		"&searchString=" + encodeURIComponent(searchString);

	req.open("POST", url, true);
	req.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
	req.onreadystatechange = synchComboCallback;
	req.send(postDataStr);
}


function synchComboCallback() {
	if (req.readyState == 4) {
		if (req.status == 200) {
			var xmlDoc = req.responseXML.documentElement;
			var idSlave = xmlDoc.getElementsByTagName("idSlave")[0];
			var slave = document.getElementById(idSlave.childNodes[0].nodeValue);
			slave.options.length = 0;
			var xRows = xmlDoc.getElementsByTagName("entry");
			for(i=0;i<xRows.length;i++) {
			
				var node0 = xRows[i].childNodes[0].firstChild;
				var node1 = xRows[i].childNodes[1].firstChild;
				var node2 = xRows[i].childNodes[2].firstChild;

				var theText = '';
				var theValue = '';
				var theTitle = '';

				if(node0!=null) theText = node0.nodeValue;
				if(node1!=null) theValue = node1.nodeValue;
				if(node2!=null) theTitle = node2.nodeValue;

				var option = new Option(theText,theValue);
				option.title = theTitle;
				
				try {
					slave.add(option,null);
				} catch(e) {
					slave.add(option);
				}
			}
		}
	}
}
function confirmMessage() {
	return confirm('Sei sicuro di voler continuare?');
}
function hideDiv(divId)
{
	var divObj = document.getElementById(divId);
	divObj.style.display = 'none';
}
function showDiv(divId)
{
	var divObj = document.getElementById(divId);
	divObj.style.display = 'block';
}
function openPopup(url,titolo) {
	window.open(url, 'IstruzioniCVE', 'location=no,resizable=yes,status=no,toolbar=no,scrollbars=yes,width=550,height=500');
}
function writeExtPopupLink(name,titolo,url) {
	document.write("<a href=\"javascript:openPopup('"+url+"','"+titolo+"');\">"+name+"</a>");
}