function showtellfriend()
{
	document.getElementById("tell_friend_box").style.display="block"
}
function hidetellfriend()
{
	document.getElementById("tell_friend_box").style.display="none"
}

function SendTellAfriend()
{
	var urlname = document.URL;
	var reg = /^([A-Za-z0-9_\-\.])+\@([A-Za-z0-9_\-\.])+\.([A-Za-z]{2,4})$/;


	if(document.getElementById("your_name").value == "" || trimmed(document.getElementById("your_name").value)== "")
	{
		document.getElementById("your_name").value = "Enter your name"
		return;
	}

	if(document.getElementById("your_email").value == "" || trimmed(document.getElementById("your_email").value)== "")
	{
		document.getElementById("your_email").value = "Enter your email"
		return;
	}
	if(document.getElementById("your_email").value !="" && reg.test(document.getElementById("your_email").value) == false)
	 {
		document.getElementById("your_email").value = "Invalid email"
		return;
		
	 }

	if(document.getElementById("frnd_name").value == "" || trimmed(document.getElementById("frnd_name").value)== "")
	{
		document.getElementById("frnd_name").value = "Enter your friends name"
		return;
	}


	if(document.getElementById("frnd_email").value == "" || trimmed(document.getElementById("frnd_email").value)== "")
	{
		document.getElementById("frnd_email").value = "Enter your friends email"
		return;
	}

	if(document.getElementById("frnd_email").value !="" && reg.test(document.getElementById("frnd_email").value) == false)
	 {
		document.getElementById("frnd_email").value = "Invalid email"
		return;
		
	 }



	
	//displayLoading(document.getElementById("tell_friend_box"));
	req = createXMLHttpRequest();
	setobj = document.getElementById("tell_friend_box"); 

	sendRequest("sending.php?name="+document.getElementById("your_name").value+"&email="+document.getElementById("your_email").value+"&friendname="+document.getElementById("frnd_name").value+"&friendemail="+document.getElementById("frnd_email").value+"&urlname="+urlname);

	showdiv(document.getElementById("tell_friend_box"));
}

function trimmed(str) {
  return str.replace(/^\s+|\s+$/g, '') ;
}