// JavaScript Document

// Globals
var charsMax = 300;

function countChars(){
	
	// Count the remaining number of available characters in the message area
	
	charsMax--;
	document.forms["message"].elements["maxchars"].value=charsMax + " chars" ;	

	
	}

function changeImage(elementName, imageSource){
	
		 document.getElementById(elementName).src = imageSource ; 
	
	}