function mailid(string)
{
	var arr = new Array('.com', '.co','.in','.net', '.org','.biz','.coop', '.info','.museum','.name', '.pro');
	var mai = string;
	var val = true;
	var dot = mai.lastIndexOf(".");
	var ext = mai.substring(dot,mai.length);
	var at = mai.indexOf("@");
	var dom = dot - at;
	var sp = mai.indexOf(" ");
	if(dom >= 3 && at >1 && sp == -1)
	{
	for(var i=0;i<arr.length;i++)
	{
	if(ext == arr[i])
	{
		val = true;
		break;
	}
	else
	{
	   val = false;
	}
	}
	if(val == false)
	{
		return false;
	}
	}
	else
	{
		return false;
	}

	return true;
}
function focuson()
  {
  document.form1.number.focus()
  }

function suggestion(i)
{
	if(document.sugges.name.value =="")
	{
		alert("Please enter your name");
		document.sugges.name.focus();
		return false();
	}
	if(document.sugges.email.value == "")
	{
		alert("Please enter your email");
		document.sugges.email.focus();
		return false();
	}
	if(!(document.sugges.email.value == ""))
	{
		if(mailid(document.sugges.email.value)==false)
		{
			alert("Please enter a valid e-mail address.");
			document.sugges.email.focus();
			return false();
		}
	}

	if(document.sugges.sug.value == "")
	{
		alert("Please enter your comments");
		document.sugges.sug.focus()
		return false();
	}
	if(i == "index")
	{
	var tem=document.sugges;
   	tem.action='index.php?action=send';
   	tem.submit();
   	}
   	else
   	{
   	var tem=document.sugges;
   	tem.action='suggestion.php?action=send';
   	tem.submit();
   	}
}