//
    // Check registation for information
    //
function isFieldBlank(theField,which) 
{
	//alert("Checking Lenth of Field:" +which + theField.value.length );
        return( theField.value.length == 0);
}

function isFieldValid(theField) 
{
	var valid = "abcdefghijklmnopqrstuvwxyz0123456789";
	var len = theField.value.length;
	if ( (len < 3) || (len > 10) ) {
		return false;
	}
	//alert("Checking field of length " + theField.value.length );
	for( i=0; i<theField.value.length; i++ ) 
	{
		c = theField.value.substring(i, i+1).toLowerCase();
		//alert( "Checking " + c );
		if( valid.indexOf(c, 0) == -1 ) {
			//alert( "Invalid " + c );
			return false;
		}
	}
        return true;
}
    //
    // Check for a valid email address (Does it contain a "@")
    //
function isValidEmail(theField) 
{
      var foundSymbol = false;
      var len = theField.value.length;
      if (theField.value.substring(0,1) == "@") 
      {   return false;
      }
      if (theField.value.substring(len-1,len) == "@") 
      {
                   return false;
      }
      for(var i=1; i<theField.value.length; i++) 
      {
       var ch = theField.value.substring(i,i+1);
       if (ch == "@")
       foundSymbol=true;
      }
      return foundSymbol;
}

function validateForm(form1) 
{
  if(isFieldBlank(form1.fullname,"fullname")) 
  {
       alert("\nThe full name is empty.");
       return false;
  }
  if(isFieldBlank(form1.pname,"pname")) 
  {
       alert("\nThe player name is empty.");
       return false;
  }
  if(isFieldBlank(form1.password,"password"))
  {  alert("\nThe password is blank");
      return false;
  }
  if(!(form1.password.value == form1.password2.value))
  { alert("\nPassword and Password2 don't match");
  return false;
  }
    if(!isFieldValid(form1.pname)) 
  {
            alert("\nThe player name is invalid.\n\nThe name must be between 3 and 10 characters and may only contain characters a-z, A-Z and 0-9.  ");
            return false;
  }
    if(isFieldBlank(form1.email,"email")) 
  {
            alert("\nThe email address is empty.");
            return false;
  }
    if(!isValidEmail(form1.email)) 
  {
            alert("\nInvalid email address.");
            return false;
  }

    return true;
}

function checkRegisterForm(form2) 
{
	//alert(form2);
  if( validateForm( form2 ) ) 
	{
        form2.submit();
        return true;
        } 
  else 
    {
    return false;
     }

}
function validateEditForm(form1) 
{
  if(isFieldBlank(form1.fullname,"fullname")) 
  {
       alert("\nThe full name is empty.");
       return false;
  }
  if(!(form1.newpasswd.value == form1.newpasswd2.value))
  { alert("\nNewPassword and NewPassword2 don't match");
  return false;
  }
    if(!isFieldBlank(form1.newpname,"newpname") && !isFieldValid(form1.newpname)) 
  {
            alert("\nThe player name is invalid.\n\nThe name must be between 3 and 10 characters and may only contain characters a-z, A-Z and 0-9.  ");
            return false;
  }
    if(isFieldBlank(form1.email,"email")) 
  {
            alert("\nThe email address is empty.");
            return false;
  }
    if(!isValidEmail(form1.email)) 
  {
            alert("\nInvalid email address.");
            return false;
  }

    return true;
}
function checkEditForm(form2) 
{
  //alert(form2);
  if( validateEditForm( form2 ) ) 
  {
        form2.submit();
        return true;
        } 
  else 
    {
    return false;
     }

}