function getSCookie( 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 setSCookie( name, value,  domain ) 
{    
     document.cookie = name+'='+escape( value ) + ';path=/'+ ( ( domain ) ? ';domain=' + domain : '' ) ; 
}


    if(getSCookie("C8") == null)
		{
	    var today = new Date();     
      var vv=( today.getTime() *1000+Math.round(Math.random()*10000)).toString(16);    
	  	setSCookie('C8',vv,'chinarank.org.cn');
	   }