if (window.location != window.parent.location) {
//  window.parent.location = window.location;
}
var g_style;
window.onload=function(){
 g_style = readCookie("style");
 if(!g_style) g_style = "normal";
 setStyle(g_style);
}

function fontBigger() {
  var style, newstyle;
  style = readCookie("style");
  if(!style) style = g_style;
  
  if (style == 'small') {
    newstyle = 'normal';
  } else if (style == 'normal') {
    newstyle = "large";
  } else if (style == 'large') {
    newstyle = 'xlarge';
  } else if (style == 'xlarge') {
    newstyle = 'xlarge';
  } else if (style == '') {
    newstyle = 'large';
  } else {
    newstyle = 'large';
  }
  if (style != newstyle) {
    setStyle(newstyle);
  }
}

function fontSmaller() {
  var style, newstyle;
  style = readCookie("style");
  if(!style) style = g_style;
  if (style == 'xlarge') {
    newstyle = 'large';
  } else if (style == 'large') {
    newstyle = "normal";
  } else if (style == 'normal') {
    newstyle = 'small';
  } else if (style == '') {
    newstyle = 'small';
  } else {
    newstyle = 'small';
  }
  if (style != newstyle) {
    setStyle(newstyle);
  }
}

function setStyle(title) {
  g_style=title;
  setActiveStyleSheet(title);
  createCookie("style", title, 365);
}

function setActiveStyleSheet(title) {
  if(! document.getElementsByTagName) return;
  var i, a, main;
  for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
    if(a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("title")) {
      a.disabled = true;
      if(a.getAttribute("title") == title){a.disabled = false;}
    }
  }
}

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

function readCookie(name) {
  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) return c.substring(nameEQ.length,c.length);
  }
  return null;
}