addLoadEvent(changeSize);

var curtextsize=100;

if (document.cookie!=""){
  thisCookie = document.cookie.split("; ");
  for (i=0; i<thisCookie.length; i++){
    if (thisCookie[i].split("=")[0]=="textsize"){
      curtextsize=thisCookie[i].split("=")[1];
    }
  }
}

function changeSize(pm){

  //alter variable curtextsize according to value read in from font size controls
  if(pm==1){
    //increment curtextsize five times
    for (j=0; j<5;j++){
      curtextsize++;
    }
  }
  if(pm==2){
    //decrement curtextsize five times
    for (k=0; k<5;k++){
      curtextsize--;
    }
  } 
  
  //workaround to take account of both Firefox and IE: change font size in the 'content' division
  if (document.getElementById){
    document.getElementById("content").style.fontSize = curtextsize + "%";
  }
  else{
    document.all.content.style.fontSize = curtextsize + "%";
  }
  
    document.cookie = "textsize=" + curtextsize + ";expires=Fri, 01 Jan 2038 00:00:00 GMT; path=/";
}