var z = 2;

function externalTest(str1,str2) {
	return "[test ok]    "+str1+","+str2;
}

function addLayer(layerID,inpHtml)
{
	var layersContainer = document.getElementById("floatLayers");

	var checkLayer = document.getElementById(layerID);
	if(checkLayer)
	{
		return;
	}	
	
	var newLayer = document.createElement('div');
	
	newLayer.setAttribute("id",layerID);
	newLayer.className = "floatLayer";
	newLayer.style.zindex = z;
	newLayer.innerHTML = "<div class='innerDiv'>"+inpHtml+"</div>";
	
	layersContainer.appendChild(newLayer);
	z++;
}
function removeLayer(layerID) {
	var layersContainer = document.getElementById("floatLayers");
	var oldLayer = document.getElementById(layerID);
	layersContainer.removeChild(oldLayer);
}
function adjustLayer(layerID,x,y,w,h) {
    var layerRef = document.getElementById(layerID);
    layerRef.style.left=x;
    layerRef.style.top=y;
    layerRef.style.width = w;
    layerRef.style.height = h;
}
function hideLayer(layerID){
    document.getElementById(layerID).style.visibility="hidden";
}
function showLayer(layerID){
    document.getElementById(layerID).style.visibility="visible";
}

function loadURLToLayer(layerID,url) {
	if (window.XMLHttpRequest) { // Non-IE browsers
		req = new XMLHttpRequest();
		req.onreadystatechange = function(){ 
			loadURLToLayer_deploy(layerID);
		};
		try {
			req.open("GET", url, true);
		} catch (e) {
			alert(e);
		}
		req.send(null);
	} else if (window.ActiveXObject) { // IE
		req = new ActiveXObject("Microsoft.XMLHTTP");
		if (req) {
			req.onreadystatechange = function(){ 
				loadURLToLayer_deploy(layerID);
			};
			req.open("GET", url, true);
			req.send();
		}
	}
}			
function loadURLToLayer_deploy(layerID) {
	if (req.readyState == 4) { // Complete
		if (req.status == 200) { // OK response
			document.getElementById(layerID).innerHTML = req.responseText;
		} else {
			alert("Problem: " + req.statusText);
		}
	}
}