function CheckTellFriend()
{
    if( $('#ctl00_bodycontent_tb_name').val() == "" )
    {
        alert('Please enter your Name');
        $('#ctl00_bodycontent_tb_name').focus();
        return false;
    }

    if( !checkEmail($('#ctl00_bodycontent_tb_email').val(), 'Email Address') )
    {
        $('#ctl00_bodycontent_tb_email').focus();
        return false;
    }

    if( $('#ctl00_bodycontent_tb_friend_name').val() == "" )
    {
        alert('Please enter your Friends Name');
        $('#ctl00_bodycontent_tb_friend_name').focus();
        return false;
    }

    //if( $('#ctl00_bodycontent_tb_friend_email').val() == "" )
    if( !checkEmail($('#ctl00_bodycontent_tb_friend_email').val(), 'Friends Email Address') )
    {
        //alert('Please select your Friends Email Address');
        $('#ctl00_bodycontent_tb_friend_email').focus();
        return false;
    }
    
    return true;
}

function CheckReg()
{
    //alert( $('#ctl00_bodycontent_tb_fname').val() );

    if( $('#ctl00_bodycontent_tb_fname').val() == "" )
    {
        alert('Please enter your First Name');
        $('#ctl00_bodycontent_tb_fname').focus();
        return false;
    }

    if( $('#ctl00_bodycontent_tb_lname').val() == "" )
    {
        alert('Please enter your Last Name');
        $('#ctl00_bodycontent_tb_lname').focus();
        return false;
    }

    if( !checkEmail($('#ctl00_bodycontent_tb_email').val(), 'Email (User Name)') )
    {
        //alert('Please enter your Email (User Name)');
        $('#ctl00_bodycontent_tb_email').focus();
        return false;
    }

    if( $('#ctl00_bodycontent_tb_password').val() == "" )
    {
        alert('Please enter a Password');
        $('#ctl00_bodycontent_tb_password').focus();
        return false;
    }

    if( $('#ctl00_bodycontent_ddl_roles').val() == "" )
    {
        alert('Please select your Role/Title');
        $('#ctl00_bodycontent_ddl_roles').focus();
        return false;
    }
    
    return true;
}

function checkEmail(e, t)
{	
	if (e == "")
	{	alert("Please fill in your "+ t +".");
		return false; 
	}
	else
	{
		var emailStr = e;
			
		var emailPat=/^(.+)@(.+)$/;
		var specialChars="\\(\\)<>@,;:\*\\\\\"\\.\\[\\]";
		var validChars="\[^\\s" + specialChars + "\]";
		var quotedUser="([^\"]*\")";
		var ipDomainPat=/^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/;
		var atom=validChars + '+';
		var word="(" + atom + "|" + specialChars + ")";
		var userPat=new RegExp("^" + word + "(\\." + word + ")*$");
		var domainPat=new RegExp("^" + atom + "(\\." + atom +")*$");
		var matchArray=emailStr.match(emailPat);
		if (matchArray==null)
		{	alert("Your "+ t +" seems incorrect. Please check @ and .'s!");
			return false;
		}
		
		var user=matchArray[1];
		var domain=matchArray[2];
		if (user.match(userPat)==null)
		{	alert("Please do not use any symbols (ie. quotes or asterisks) other than @ in your "+ t +".");
			return false;
		}
		
		var IPArray=domain.match(ipDomainPat);
		if (IPArray!=null)
		{  for (var i=1;i<=4;i++)
			  {	if (IPArray[i]>255)
			  	{	alert("Destination IP address is invalid!");
					return false;
				}
			}
		}
		
		var domainArray=domain.match(domainPat)
		if (domainArray==null)
		{	alert("Your "+ t +" domain name doesn't seem to be valid.");
			return false;
		}			

		var atomPat=new RegExp(atom,"g");
		var domArr=domain.match(atomPat);
		var len=domArr.length;
		if (domArr[domArr.length-1].length<2 || domArr[domArr.length-1].length>3)
		{	alert("Your "+ t +" must end in a three-letter domain, or two letter country.");
			return false;
		} 

		var Chars = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
		if (domArr[domArr.length-1].length == 2 || domArr[domArr.length-1].length == 3)
		{	for (var i = 0; i < domArr[domArr.length-1].length; i++)
			{	if (Chars.indexOf(domArr[domArr.length-1].charAt(i)) == -1)
				{	alert("The domain name can only contain letters.");
					return false;
				}
			}
		}
		
		if (len<2 || len>3)
		{   alert("Your "+ t +" is missing a hostname!");
		   return false;
		}
	}
	return true;
}