//jquery code  
  $(document).ready(function(){
    $("#nav > ul").tabs();
  });
  
  
  
//functions for twitter post submission
var PressedButton;

function charCount() {
	var count = document.getElementById("msg_to_post").value.length;
	var status = document.getElementById("msg_to_post").value;
	if (count > 0) {
		if (count > 140) {
			document.msg_form.msg_to_post.value = status.substring(0,140);
			document.getElementById("msg_char_count").innerHTML =  "None left.";
		}
		else {
			document.getElementById("msg_char_count").innerHTML = (140 - count) + " left.";
		}
	}
	else {
		document.getElementById("msg_char_count").innerHTML = "140 left.";
	}
}
setTimeout("charCount();", 500);
document.getElementById("msg_form").setAttribute("autocomplete", "off");

function isNumeric(fieldText)
{
   var ValidChars = "0123456789";
   var IsNumber = true;
   var Char;
 
   for (i = 0; i < fieldText.length && IsNumber == true; i++) { 
      Char = fieldText.charAt(i); 
      if (ValidChars.indexOf(Char) == -1) {IsNumber = false;}
   }
   return IsNumber;   
}

function doValidation(form) {
  if (PressedButton.name == 'doStatusUpdate') {
	return ValidateUpdate(form);
  }
}

function ValidateUpdate(form) {
   if(form.msg_to_post.value.length == 0) {
	alert('Please enter something in the "What are you doing?" field in order to post the update.');
      form.msg_to_post.focus(); 
      return false;
   }
   return true;
}