// JavaScript Document

function resize(size) {
	if(size==1){
		document.getElementById('content').style.fontSize = "100%";
		document.getElementById('footer').style.fontSize = "70%";
		document.getElementById('sm').className = "current";
		document.getElementById('md').className = "";
		document.getElementById('lg').className = "";
		setCookie("fontsize", "1", 1);
	}else if(size==2){
		document.getElementById('content').style.fontSize = "120%";
		document.getElementById('footer').style.fontSize = "80%";
		document.getElementById('sm').className = "";
		document.getElementById('md').className = "current";
		document.getElementById('lg').className = "";
		setCookie("fontsize", "2", 1);
	}else{
		document.getElementById('content').style.fontSize = "140%";
		document.getElementById('footer').style.fontSize = "90%";
		document.getElementById('sm').className = "";
		document.getElementById('md').className = "";
		document.getElementById('lg').className = "current";
		setCookie("fontsize", "3", 1);
	}
}

function getCookie( name ) {
  var start = document.cookie.indexOf( name + "=" );
  var len = start + name.length + 1;
  if ( ( !start ) && ( name != document.cookie.substring( 0, name.length ) ) ) {
    return null;
  }
  if ( start == -1 ) return null;
  var end = document.cookie.indexOf( ";", len );
  if ( end == -1 ) end = document.cookie.length;
  return unescape( document.cookie.substring( len, end ) );
}

function setCookie( name, value, expires, path, domain, secure ) {
  var today = new Date();
  today.setTime( today.getTime() );
  if ( expires ) {
    expires = expires * 1000 * 60 * 60 * 24;
  }
  var expires_date = new Date( today.getTime() + (expires) );
  document.cookie = name+"="+escape( value ) +
    ( ( expires ) ? ";expires="+expires_date.toGMTString() : "" ) + //expires.toGMTString()
    ( ( path ) ? ";path=" + path : "" ) +
    ( ( domain ) ? ";domain=" + domain : "" ) +
    ( ( secure ) ? ";secure" : "" );
}

function deleteCookie( name, path, domain ) {
  if ( getCookie( name ) ) document.cookie = name + "=" +
    ( ( path ) ? ";path=" + path : "") +
    ( ( domain ) ? ";domain=" + domain : "" ) +
    ";expires=Thu, 01-Jan-1970 00:00:01 GMT";
}

function checkfontsize(){
	var font = getCookie('fontsize');
	//alert(font);
	if(font==2){
	resize(2);
	}else if(font==3){
	resize(3);
	}else{
	resize(1);
	}
}