if (document.addEventListener) 
{  
document.addEventListener("DOMContentLoaded", set_style_from_cookie , false);
}

var style_cookie_name = "style" ;
var style_cookie_duration = 30 ;
var browserName=navigator.appName;

function changecss(cssname)
{
var headID = document.getElementsByTagName("head")[0];         
var cssNode = document.createElement('link');
cssNode.type = 'text/css';
cssNode.rel = 'stylesheet';
if (document.cookie.indexOf(style_cookie_name) > -1){	
	var css_title = get_cookie( style_cookie_name );
  	if (css_title.length)
  	cssNode.href = '/Templates/'+ css_title + '-'  + cssname +'.css'; 	
}
else{
  cssNode.href = '/Templates/'+ cssname +'.css';
}
cssNode.media = 'screen';
headID.appendChild(cssNode);
}

function set_theme(cssname)
{
var headID = document.getElementsByTagName("head")[0];         
var cssNode = document.createElement('link');
cssNode.type = 'text/css';
cssNode.rel = 'stylesheet';
cssNode.href = '/Templates/'+ cssname +'.css';
cssNode.media = 'screen';
headID.appendChild(cssNode);
}

function changetheme(cssname)
{
var headID = document.getElementsByTagName("head")[0];         
var cssNode = document.createElement('link');
cssNode.type = 'text/css';
cssNode.rel = 'stylesheet';
cssNode.href = '/Templates/'+ cssname +'.css';
cssNode.media = 'screen';
headID.appendChild(cssNode);
set_cookie( style_cookie_name, cssname, style_cookie_duration );
}




function set_style_from_cookie()
{
  var css_title = get_cookie(style_cookie_name );
  
  if (css_title != null) {	  
    set_theme( css_title );
  }
  
}
function set_cookie ( cookie_name, cookie_value,
    lifespan_in_days, valid_domain )
{ 	
    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 )
{
   
    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 get_cookie ( check_name ) {
	// first we'll split this cookie up into name/value pairs
	// note: document.cookie only returns name=value, not the other components
	var a_all_cookies = document.cookie.split( ';' );
	var a_temp_cookie = '';
	var cookie_name = '';
	var cookie_value = '';
	var b_cookie_found = false; // set boolean t/f default f

	for ( i = 0; i < a_all_cookies.length; i++ )
	{
		// now we'll split apart each name=value pair
		a_temp_cookie = a_all_cookies[i].split( '=' );


		// and trim left/right whitespace while we're at it
		cookie_name = a_temp_cookie[0].replace(/^\s+|\s+$/g, '');

		// if the extracted name matches passed check_name
		if ( cookie_name == check_name )
		{
			b_cookie_found = true;
			// we need to handle case where cookie has no value but exists (no = sign, that is):
			if ( a_temp_cookie.length > 1 )
			{
				cookie_value = unescape( a_temp_cookie[1].replace(/^\s+|\s+$/g, '') );
			}
			// note that in cases where cookie is initialized but no value, null is returned			
			return cookie_value;
			break;
		}
		a_temp_cookie = null;
		cookie_name = '';
	}
	if ( !b_cookie_found )
	{
		return null;
	}
}
window.onload =set_style_from_cookie;