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 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;
}

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

$(document).ready(function(){
  /* read cookie */
  wideCookie = readCookie('mw_wide')
  page = $('body')

  if (wideCookie == '1'){
    str = '>-<'
    page.addClass('wide')
  }
  else{
    str = '<->'
  }
  
  $('#content').prepend('<span id="wide-toggle">'+str+'</span>');
  wideToggle = $('#wide-toggle');
  wideToggle.click(function(){
      page.toggleClass('wide')
      if ( page.hasClass('wide') ){
        wideToggle.html('>-<')
        createCookie('mw_wide', '1', 365)
      }
      else {
        wideToggle.html('<->')
        eraseCookie('mw_wide')
      }
    })
});