// JavaScript Document

function createCookie(name,value,days)
{
	if (days)
	{
		var date = new Date();
		date.setTime(date.getTime()+(days*24*60*60*1000));
		var expires = "; expires="+date.toGMTString();
	}
	else var expires = "";
	document.cookie = name+"="+value+expires+"; path=/";
}

function readCookie(name)
{
	var div = document.getElementById("content")
	var nameEQ = name + "=";
	var ca = document.cookie.split(';');
	for(var i=0;i < ca.length;i++)
	{
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0) div.className = c.substring(nameEQ.length,c.length);
	}
	return null;
}

function eraseCookie(name)
{
	createCookie(name,"",-1);
}

function returnObjById( id ) 
 { 
  if(document.getElementById) 
  var returnVar = document.getElementById(id);
  else if (document.all)
  var returnVar = document.all[id];
  else if (document.layers)
  var returnVar = document.layers[id];
  return returnVar;
 } 




function textSize(whatway){

	var div = returnObjById("contentsmall")
	
	if(whatway == "increase"){
		
		size = div.className
		
		switch(size){
			case "content":
					div.className = "content2"
					createCookie('classSize','content2',20)
					break
			case "content2":
					div.className = "content3"
					createCookie('classSize','content3',20)
					break
					
			case "content3":		
					div.className = "content4"
					createCookie('classSize','content4',20)
					break

			case "content4":
					
					break
		}
		
	}else{
	
		size = div.className
		
		switch(size){
			case "content":
					createCookie('classSize','content',20)
					break
			case "content2":
					div.className = "content"
					createCookie('classSize','content',20)
					break
					
			case "content3":		
					div.className = "content2"
					createCookie('classSize','content2',20)
					break

			case "content4":
					div.className = "content3"
					createCookie('classSize','content3',20)
					break
		}
	
	}
}