function Set_Cookie( name, value, expires, path, domain, secure ) 
{

// set time, it's in milliseconds
var today = new Date();
today.setTime( today.getTime() );

/*
if the expires variable is set, make the correct 
expires time, the current script below will set 
it for x number of days, to make it for hours, 
delete * 24, for minutes, delete * 60 * 24
*/
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() : "" ) + 
( ( path ) ? ";path=" + path : "" ) + 
( ( domain ) ? ";domain=" + domain : "" ) +
( ( secure ) ? ";secure" : "" );
}

    
    function show(hide){
        var elem,href;
        
        
        elem =  document.getElementById('hide');
        href =  document.getElementById('href');
        if (hide == undefined){
            if(elem.style.display == 'none'){
            
                help_hide('off');
                Set_Cookie("hide_help", "off", 365);
                elem.style.display = 'inline';
                href.style.backgroundImage = 'url(images/summary_topstrela.gif)';
            }
            else {
                help_hide('on');
                Set_Cookie("hide_help", "on", 365)
                elem.style.display = 'none';
                href.style.backgroundImage = 'url(images/strela_bot.gif)';
            }
        }
        
        if(hide == 'on'){
            elem.style.display = 'none';
            href.style.backgroundImage = 'url(images/strela_bot.gif)';
            
        }
    }