//Create a boolean variable to check for a valid IE instance.
var xmlhttp = false;
	
//Check if we are using IE.
try {
	//If the javascript version is greater than 5.
	xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
	} catch (e) {
	//If not, then use the older active x object.
	try {
		//If we are using IE.
		xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
	} catch (E) {
		//Else we must be using a non-IE browser.
		xmlhttp = false;
		}
	}
	
//If we are using a non-IE browser, create a JavaScript instance of the object.
if (!xmlhttp && typeof XMLHttpRequest != 'undefined') { xmlhttp = new XMLHttpRequest(); }

function replaceLink() {
	var textArea = document.getElementById("replace_url").value;	
	var customer = document.getElementById("customer").value;	
	var replace_new = document.getElementById("replace_new").value;	
	
	var objID = "showLink";
	var serverPage = "../replaceLink.php?url_old="+encode(textArea)+"&customer="+encode(customer)+"&url_new="+encode(replace_new);

	var obj = document.getElementById(objID);
	if (textArea == "" || textArea == null || textArea.charAt(0) == ' ' || replace_new == "" || replace_new == null || replace_new.charAt(0) == ' ') {
    	obj.innerHTML = "<span class='txtTitle' style='color: red;'>Please paste or enter the link you want to convert to a short link!<span>";
    	return false;
    	}
    
	xmlhttp.open("GET", serverPage);
	xmlhttp.onreadystatechange = function() 
		{
		if (xmlhttp.readyState == 4) 
			{
			obj.innerHTML = xmlhttp.responseText;
			}
		}
	xmlhttp.send(null);		
	}
	
function createLink() 
	{
	var textArea = document.getElementById("url").value;	
	var customer = document.getElementById("customer").value;	
	var objID = "showLink";
	var serverPage = "../createLink.php?url="+encode(textArea)+"&customer="+encode(customer);

	var obj = document.getElementById(objID);
	if (textArea == "" || textArea == null || !isNaN(textArea) || textArea.charAt(0) == ' ')
    {
    obj.innerHTML = "<span class='txtTitle' style='color: red;'>Please paste or enter the link you want to convert to a short link!<span>";
    return false;
    }
    
	xmlhttp.open("GET", serverPage);
	xmlhttp.onreadystatechange = function() 
		{
		if (xmlhttp.readyState == 4) 
			{
			obj.innerHTML = xmlhttp.responseText;
			}
		}
	xmlhttp.send(null);		
	}


function traceLink() 
	{
	var textArea = document.getElementById("traceLink").value;	
	var objID = "showTrace";
	var serverPage = "../getTraceInfo.php?url="+encode(textArea);
	var obj = document.getElementById(objID);
	if (textArea == "" || textArea == null || textArea.charAt(0) == ' ')
    {
    obj.innerHTML = "<span class='txtTitle' style='color: red;'>Copy the L2W link you want to trace into the box<span>";
    return false;
    }
    
	xmlhttp.open("GET", serverPage);
	xmlhttp.onreadystatechange = function() 
		{
		if (xmlhttp.readyState == 4) 
			{
			obj.innerHTML = xmlhttp.responseText;
			}
		}
	xmlhttp.send(null);		
	}	

function encode(str) 
	{
	var result = "";
	
	for (i = 0; i < str.length; i++) 	
		{
		if (str.charAt(i) == " ")
			{
			result += "+";
			} else {
			result += str.charAt(i);
			}
		}
	return escape(result);
	}