// *** TO BE CUSTOMIZED ***

var style_cookie_name = "style" ;
var style_cookie_duration = 30 ;
var domain = "hvsepc.org";

// *** END OF CUSTOMIZABLE SECTION ***

function switch_style ( css_title )
{
// You may use this script on your site free of charge provided
// you do not remote this notice or the URL below. Script from
// http://www.thesitewizard.com/javascripts/change-style-sheets.shtml
  var i, link_tag ;
  for (i = 0, link_tag = document.getElementsByTagName("link") ;
    i < link_tag.length ; i++ ) {
    if ((link_tag[i].rel.indexOf( "stylesheet" ) != -1) &&
      link_tag[i].title) {
      link_tag[i].disabled = true ;
      if (link_tag[i].title == css_title) {
        link_tag[i].disabled = false ;
      }
    }
    set_cookie( style_cookie_name, css_title,
      style_cookie_duration);
  }
}
function set_style_from_cookie()
{
  var css_title = get_cookie( style_cookie_name );
  if (css_title.length) {
    switch_style( css_title );
  }
}
function set_cookie ( cookie_name, cookie_value,
    lifespan_in_days, valid_domain )
{
    // http://www.thesitewizard.com/javascripts/cookies.shtml
    var domain_string = valid_domain ?
                       ("; domain=" + valid_domain) : '' ;
    document.cookie = cookie_name +
                       "=" + encodeURIComponent( cookie_value ) +
                       "; max-age=" + 60 * 60 *
                       24 * lifespan_in_days +
                       "; path=/" + domain_string ;
}
function get_cookie ( cookie_name )
{
    // http://www.thesitewizard.com/javascripts/cookies.shtml
    var cookie_string = document.cookie ;
    if (cookie_string.length != 0) {
        var cookie_value = cookie_string.match (
                        '(^|;)[\s]*' +
                        cookie_name +
                        '=([^;]*)' );
        return decodeURIComponent ( cookie_value[2] ) ;
    }
    return '' ;
}

function useStyleAgainEdited( ) {
	for( var x = 0; x < document.cookie.split( "; " ).length; x++ ) {
		var oneCookie = document.cookie.split( "; " )[x].split( "=" );
		if( oneCookie[0] == escape( style_cookie_name ) ) {
			var styleStrings = unescape( oneCookie[1] ).split( " MWJ " );
			for( var y = 0, funcStr = ''; styleStrings[y]; y++ ) { funcStr += ( y ? ',' : '' ) + 'unescape( styleStrings[' + y + '] )'; }
			eval( 'switch_style(' + funcStr + ');' ); 
            break;
	   } 
    } 
    window.MWJss = []; for( var ss = getAllSheets(), x = 0; ss[x]; x++ ) { 
        MWJss[x] = ss[x].disabled; 
    }
}
























// JavaScript Document

var ck;
var cookieName = ck;
var doAlerts=false;
function changeSheets(whichSheet){
  whichSheet=whichSheet-1;
  if(document.styleSheets){
    var c = document.styleSheets.length;
    if (doAlerts) alert('Change to Style '+(whichSheet+1));
    for(var i=0;i<c;i++){
      if(i!=whichSheet){
        document.styleSheets[i].disabled=true;
      }else{
        document.styleSheets[i].disabled=false;
      }
	 
    }
  }

  document.cookie = escape( cookieName ) + '=' + escape( whichSheet ) + ( cookieLife ? ';expires=' + new Date( ( new Date() ).getTime() + ( cookieLife * 86400000 ) ).toGMTString() : '' ) + ';path=/'; 
}
//================================================================================================================


function getAllSheets() {
	if( !window.ScriptEngine && navigator.__ice_version ) { 
        return document.styleSheets; 
    }
	if( document.getElementsByTagName ) { 
        var Lt = document.getElementsByTagName('link'), St = document.getElementsByTagName('style');
	} else if( 
        document.styleSheets && document.all ) { var Lt = document.all.tags('LINK'), St = document.all.tags('STYLE');
	} else { return []; } for( var x = 0, os = []; Lt[x]; x++ ) {
		var rel = Lt[x].rel ? Lt[x].rel : Lt[x].getAttribute ? Lt[x].getAttribute('rel') : '';
		if( typeof( rel ) == 'string' && rel.toLowerCase().indexOf('style') + 1 ) { os[os.length] = Lt[x]; }
	} 
    for(var x = 0; St[x]; x++ ) { 
        os[os.length] = St[x]; 
    } 
    return os;
}
function changeStyle() {
	window.userHasChosen = window.MWJss;
	for( var x = 0, ss = getAllSheets(); ss[x]; x++ ) {
		if( ss[x].title ) { ss[x].disabled = true; }
		for( var y = 0; y < arguments.length; y++ ) { if( ss[x].title == arguments[y] ) { ss[x].disabled = false; } }
} }

function rememberStyle( cookieName, cookieLife ) {
	for( var viewUsed = false, ss = getAllSheets(), x = 0; window.MWJss && ss[x]; x++ ) { 
        if( ss[x].disabled != MWJss[x] ) { 
            viewUsed = true; 
            break; 
        } 
    }
	if( !window.userHasChosen && !viewUsed ) { 
        return; 
    }
	for( var x = 0, outLine = '', doneYet = []; ss[x]; x++ ) {
		if( ss[x].title && ss[x].disabled == false && !doneYet[ss[x].title] ) { 
            doneYet[ss[x].title] = true; 
            outLine += ( outLine ? ' MWJ ' : '' ) + escape( ss[x].title ); 
        } 
    }
	if( ss.length ) { 
        document.cookie = escape( cookieName ) + '=' + escape( outLine ) + ( cookieLife ? ';expires=' + new Date( ( new Date() ).getTime() + ( cookieLife * 86400000 ) ).toGMTString() : '' ) + ';path=/'; 
    }
}


function useStyleAgain( cookieName ) {
	for( var x = 0; x < document.cookie.split( "; " ).length; x++ ) {
		var oneCookie = document.cookie.split( "; " )[x].split( "=" );
		if( oneCookie[0] == escape( cookieName ) ) {
			var styleStrings = unescape( oneCookie[1] ).split( " MWJ " );
			for( var y = 0, funcStr = ''; styleStrings[y]; y++ ) { funcStr += ( y ? ',' : '' ) + 'unescape( styleStrings[' + y + '] )'; }
			eval( 'changeStyle(' + funcStr + ');' ); 
            break;
	   } 
    } 
    window.MWJss = []; for( var ss = getAllSheets(), x = 0; ss[x]; x++ ) { 
        MWJss[x] = ss[x].disabled; 
    }
}

window.onload = function(e) {
    useStyleAgain('styleTestStore');
}
window.onunload = function(e) {
    rememberStyle('styleTestStore',10);
}