function GetXmlHttpObject()
{
	var xmlHttp = null;
	
	try
	{
		// Firefox, Opera 8.0+, Safari
		xmlHttp = new XMLHttpRequest();
	}
	catch (e)
	{
		// Internet Explorer
		try
		{
			xmlHttp = new ActiveXObject("Msxml2.XMLHTTP");
		}
		catch (e)
		{
			try
			{
				xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
			}
			catch (e)
			{
				alert("Your browser does not support AJAX!");
				return false;
			}
		}
	}
	
	return xmlHttp;
		
}


function processLogin()
{
	var uname = document.loginFrm.uname.value;
	var pwd = document.loginFrm.pwd.value;
	
	xmlHttp=GetXmlHttpObject();
	
	if (xmlHttp==null){
		alert ("Your browser does not support AJAX!");
		return;
	} 
	
	var url="../controller/ajax.php?mode=login";
	url = url+"&uname="+uname;
	url = url+"&pwd="+pwd;
	
	//alert(url);

	xmlHttp.open("GET",url,true);
	
	xmlHttp.onreadystatechange = function()
	{
		if(xmlHttp.readyState == 4)
		{			
			//alert(xmlHttp.responseText);
			
			if(xmlHttp.responseText == "success")
			{
				window.location.href = './';
			}
			else
			{
				document.getElementById('loading_field').innerHTML = xmlHttp.responseText;	
			}
			
		}
		else
		{
			document.getElementById('loading_field').innerHTML = "<img src='images/loading.gif'>";
		}		
		
	}
	xmlHttp.send(null);
}

function postFeedback()
{

	var name = document.feedbackFrm.name.value;
	var email = document.feedbackFrm.email.value;
	var feedback = document.feedbackFrm.feedback.value;
	var security_code = document.feedbackFrm.security_code.value;
	
	
	xmlHttp=GetXmlHttpObject();
	if (xmlHttp==null)
	{
		alert ("Your browser does not support AJAX!");
		return;
	} 
	
	var url="controller/ajax.php?mode=feedback";
	url=url+"&name="+name;	
	url=url+"&email="+email;	
	url=url+"&feedback="+feedback;	
	url=url+"&security_code="+security_code;
	
	//alert(url);
	xmlHttp.open("GET",url,true);
	
	xmlHttp.onreadystatechange = function()
	{
		if(xmlHttp.readyState == 4)
		{			
			document.getElementById('msg_feedback').innerHTML = xmlHttp.responseText;
			
		}
		else
		{
			document.getElementById('msg_feedback').innerHTML = "<img src=images/loading.gif>";
		}		
		
	}
	xmlHttp.send(null);
}

function tellFriend()
{

	var yname = document.tellFrm.yname.value;
	var yemail = document.tellFrm.yemail.value;
	var fname = document.tellFrm.fname.value;
	var femail = document.tellFrm.femail.value;
	var message = document.tellFrm.message.value;
	var security_code = document.tellFrm.security_code.value;
	
		
	xmlHttp=GetXmlHttpObject();
	if (xmlHttp==null)
	{
		alert ("Your browser does not support AJAX!");
		return;
	} 
	
	var url="controller/ajax.php?mode=tellafriend";
	url=url+"&yname="+yname;	
	url=url+"&yemail="+yemail;
	url=url+"&fname="+fname;	
	url=url+"&femail="+femail;	
	url=url+"&message="+message;
	url=url+"&security_code="+security_code;
		
	//alert(url);
	xmlHttp.open("GET",url,true);
	
	xmlHttp.onreadystatechange = function()
	{
		if(xmlHttp.readyState == 4)
		{			
			document.getElementById('msg_friend').innerHTML = xmlHttp.responseText;
			
		}
		else
		{
			document.getElementById('msg_friend').innerHTML = "<img src=images/loading.gif>";
		}		
		
	}
	xmlHttp.send(null);
}


function getPackage(id)
{
		
	xmlHttp=GetXmlHttpObject();
	if (xmlHttp==null)
	{
		alert ("Your browser does not support AJAX!");
		return;
	} 
	
	var url="controller/ajax.php?mode=package";
	url=url+"&id="+id;	
	
		
	//alert(url);
	xmlHttp.open("GET",url,true);
	
	xmlHttp.onreadystatechange = function()
	{
		if(xmlHttp.readyState == 4)
		{			
			//alert(xmlHttp.responseText);
			window.location.href="packages.php";
			//document.getElementById('msg_friend').innerHTML = xmlHttp.responseText;
			
		}
		else
		{
			document.getElementById('loader_field').innerHTML = "Loading...";
		}		
		
	}
	xmlHttp.send(null);
}

function checkEmailExist(field)
{
	var exist = true;
	
	 if (window.XMLHttpRequest)             
		AJAX=new XMLHttpRequest();              
	 else 
		AJAX=new ActiveXObject("Microsoft.XMLHTTP");  
	 if (AJAX) {
		 var url="controller/ajax.php?mode=checkemail&email="+field.value;
	     AJAX.open("GET", url, false);                             
	     AJAX.send(null);
	     if(AJAX.responseText == "ok")
	    	 exist = false;
	 } 	
	 
	 if(exist){
		var div = document.createElement("label");
		div.innerHTML = "Email already exist in our database";
		div.className = "Errortext";
		field.parentNode.appendChild(div);				
		return false;
	}
	return true; 
}