function CheckPhoneNumber(sender, args)
{
    Validator1=document.getElementById(sender.controltovalidate);
    var Validator1Str=new String();
    Validator1Str=sender.controltovalidate;
    if (Validator1Str.match("AreaCode"))
        Validator2=document.getElementById(Validator1Str.replace("AreaCode","Phone"));
    else
        Validator2=document.getElementById(Validator1Str.replace("Phone","AreaCode"));
    if ((Validator1.value=="" && Validator2.value!="")||(Validator1.value!="" && Validator2.value==""))
    {
        args.IsValid=false;
        return;
    }
    args.IsValid=true;
}

// Author: Matt Kruse <matt@mattkruse.com>
// WWW: http://www.mattkruse.com/
var phone_field_length=0;
function TabNext(obj,event,len,next_field) 
{
	if (event == "down") 
	{
		phone_field_length=obj.value.length;
	}
	else 
	{
	    if (event == "up") 
	    {
		    if (obj.value.length != phone_field_length) 
		    {
			    phone_field_length=obj.value.length;
			    if (phone_field_length == len) 
			    {
			        document.getElementById(next_field).focus();
				}
			}
		}
	}
}

function SetSelectedDenom(ddl,hiddenStr)
{
    var hdn = document.getElementById(hiddenStr);
    hdn.value = ddl.options[ddl.selectedIndex].value;
}