function checkClear()
{
    for ( i=0; i<document.search.length; i++ ){
        if ( document.search.elements[i].type == "checkbox" ){
            document.search.elements[i].checked = false;
        }
    }
}

function clvisit(obj)
{
    location.href = 'clvisit.pl?URL=' + urlencode(obj.href);
    return true;
}