function Recopeople($userid)
{
    $query = mysql_query("select * from peoplenodes where id='{$userid}'");
    $row = mysql_fetch_array($query);
    $knowi = array();
    $competencesi = array();
    $competencesj = array();
    $interestsi = array();
    $interestsj = array();
    $viewarrayi = array();
    $tagsi = array();
    // calculate the competences of the logged user
    if ($row['competences'] == '') {
        $nci = 0;
    } else {
        $competencesi = explode(",", $row['competences']);
        $nci = count($competencesi);
    }
    // calculate the interests of the logged user
    if ($row['interests'] == '') {
        $nii = 0;
    } else {
        $interestsi = explode(",", $row['interests']);
        $nii = count($interestsi);
    }
    // calculate the Has seen relationship of the logged user
    $query = mysql_query("select * from edges where name='Has seen' and fromID='{$userid}'");
    $i = 0;
    while ($row = mysql_fetch_array($query)) {
        //array_push($viewarrayi,$row['toID']);
        $viewarrayi[$i] = $row['toID'];
        $i = $i + 1;
    }
    $nvi = count($viewarrayi);
    // calculate the tags of videos submitted by the logged user
    $query = mysql_query("select * from videonodes where submittedby='{$userid}'");
    $i = 0;
    while ($row = mysql_fetch_array($query)) {
        if ($row['tags'] == '') {
            continue;
        } else {
            $tags = explode(',', $row['tags']);
        }
        foreach ($tags as $tag) {
            //array_push($tagsi,$tag);
            $tagsi[$i] = $tag;
            $i = $i + 1;
        }
    }
    array_unique($tagsi);
    $nti = count($tagsi);
    $query = mysql_query("select * from edges where name='Knows' and fromID='{$userid}'");
    $i = 0;
    while ($row = mysql_fetch_array($query)) {
        if ($row['intensity'] > 3) {
            //array_push($knowi,$row['toID']);
            $knowi[$i] = $row['toID'];
            $i = $i + 1;
        }
    }
    // calculate the people known  by the logged user
    $npi = count($knowi);
    $j = 0;
    $rec1 = 0;
    $rec2 = 0;
    $rec3 = 0;
    $rec4 = 0;
    $rec5 = 0;
    $ci = 0;
    $pi = 0;
    $ti = 0;
    $vi = 0;
    $ii = 0;
    $unique_subset = array();
    $rec1_array = array();
    $rec2_array = array();
    $rec3_array = array();
    $rec4_array = array();
    $tagsj = array();
    $rec5_array = array();
    $knowj = array();
    $viewarrayj = array();
    $si = array();
    $rec1_simscore = array();
    $rec2_simscore = array();
    $rec3_simscore = array();
    $rec4_simscore = array();
    $rec5_simscore = array();
    $recommended = array();
    $filterlist = array();
    $tilterlist = array();
    //error_log("User Id" . $userid);
    $j = 0;
    $f = 0;
    $t = 0;
    for ($k = 0; $k < 5; $k++) {
        $rec1_array[$k] = null;
        $rec2_array[$k] = null;
        $rec3_array[$k] = null;
        $rec4_array[$k] = null;
        $rec5_array[$k] = null;
    }
    $juery = mysql_query("select * from edges where name='Knows' and toID='{$userid}'");
    while ($how = mysql_fetch_array($juery)) {
        $tilterlist[$t] = $how['fromID'];
        $t = $t + 1;
    }
    $juery = mysql_query("select * from edges where name='Knows' and fromID='{$userid}'");
    while ($how = mysql_fetch_array($juery)) {
        $tilterlist[$t] = $how['toID'];
        $t = $t + 1;
    }
    // calculate the details of all the other users
    $query = mysql_query("select * from peoplenodes where id not in ( select toID from edges where name ='Knows' and fromID='{$userid}' ) ");
    while ($low = mysql_fetch_array($query)) {
        $filterlist[$f] = $low;
        $f = $f + 1;
    }
    $query = mysql_query("select * from peoplenodes where id not in ( select fromID from edges where name ='Knows' and toID='{$userid}' ) ");
    while ($chow = mysql_fetch_array($query)) {
        $filterlist[$f] = $chow;
        $f = $f + 1;
    }
    // one by one calculation of the details of all the other users
    foreach ($filterlist as $now) {
        if ($now['id'] == $userid || in_array($now['id'], $tilterlist)) {
            continue;
        } else {
            if ($now['competences'] == '') {
                $ncj = 0;
            } else {
                $competencesj = explode(",", $now['competences']);
                $ncj = count($competencesj);
            }
            if ($now['interests'] == '') {
                $nij = 0;
            } else {
                $interestsj = explode(",", $now['interests']);
                $nij = count($interestsj);
            }
            // The second user
            $userj[$j] = $now['id'];
            //echo("\;;the_seconduser ".$userj[$j]);
            $unique_subset[$j] = $now['id'];
            //// The second user VIEWS
            $muery = mysql_query("select * from edges where name='Has seen' and fromID='{$userj[$j]}'");
            $i = 0;
            while ($cow = mysql_fetch_array($muery)) {
                //array_push($viewarrayj,$row['toID']);
                $viewarrayj[$i] = $cow['toID'];
                $i = $i + 1;
            }
            $nvj = count($viewarrayj);
            // The second user tags
            $vuery = mysql_query("select * from videonodes where submittedby='{$userj[$j]}'");
            $i = 0;
            while ($vow = mysql_fetch_array($vuery)) {
                if ($vow['tags'] == '') {
                    continue;
                } else {
                    $tags = explode(',', $vow['tags']);
                }
                foreach ($tags as $tag) {
                    $tagsj[$i] = $tag;
                    $i = $i + 1;
                }
            }
            array_unique($tagsj);
            $ntj = count($tagsj);
            // // The second user knows
            $puery = mysql_query("select * from edges where name='Knows' and fromID='{$userj[$j]}'");
            $i = 0;
            if ($puery == 'null') {
                $knowj[$i++] = '';
                $npj = 0;
            } else {
                while ($pow = mysql_fetch_array($puery)) {
                    if ($pow['intensity'] > 3) {
                        //array_push($knowj,$row['toID']);
                        $knowj[$i] = $pow['toID'];
                        $i = $i + 1;
                    }
                }
                $npj = count($knowj);
            }
            // to calculate the number of matches between logged user and the clculatd user
            $wc = 0.2;
            $wi = 0.2;
            $wv = 0.2;
            $wt = 0.2;
            $wp = 0.2;
            $ncij = 0;
            foreach ($competencesi as $competencei) {
                if (in_array($competencei, $competencesj)) {
                    $ncij = $ncij + 1;
                }
            }
            if ($ncij > 0) {
                $rec1_array[$rec1] = $userj[$j];
                // to populate the first set of people
                $rec1_simscore[$rec1++] = Calc_similarity($ncij, $nci, $ncj, $wc);
            }
            $niij = 0;
            foreach ($interestsi as $interesti) {
                if (in_array($interesti, $interestsj)) {
                    $niij = $niij + 1;
                }
            }
            if ($niij > 0) {
                $rec2_array[$rec2] = $userj[$j];
                // to populate the second set of people
                $rec2_simscore[$rec2++] = Calc_similarity($niij, $nii, $nij, $wi);
            }
            // to calculate the number of matches  of similar views between logged user and the clculatd user
            $nvij = 0;
            foreach ($viewarrayi as $viewi) {
                if (in_array($viewi, $viewarrayj)) {
                    $nvij = $nvij + 1;
                }
            }
            if ($nvij > 0) {
                $rec3_array[$rec3] = $userj[$j];
                // to populate the third set of people
                $rec3_simscore[$rec3++] = Calc_similarity($nvij, $nvi, $nvj, $wv);
            }
            // to calculate the number of matches similar tags between logged user and the clculatd user
            $ntij = 0;
            foreach ($tagsi as $tagi) {
                if (in_array($tagi, $tagsj)) {
                    $ntij = $ntij + 1;
                }
            }
            if ($ntij > 0) {
                $rec4_array[$rec4] = $userj[$j];
                // to populate the fourth set of people
                $rec4_simscore[$rec4++] = Calc_similarity($ntij, $nti, $ntj, $wt);
            }
            // to calculate the number of knowings matches between logged user and the clculatd user
            $npij = 0;
            foreach ($knowi as $knoi) {
                if (in_array($knoi, $knowj)) {
                    $npij = $npij + 1;
                }
            }
            if ($npij > 0) {
                $rec5_array[$rec5] = $userj[$j];
                // to populate the fifth set of people
                $rec5_simscore[$rec5++] = Calc_similarity($npij, $npi, $npj, $wp);
            }
            // to calculate the net competences scorelogged user and the clculatd user
            $ci = $nci + $ncj - $ncij;
            if ($ci != 0) {
                $ci = $ncij / $ci;
                $ci = $ci * $wc;
            }
            // to calculate the net interests scorelogged user and the clculatd user
            $vi = $nvi + $nvj - $nvij;
            if ($vi != 0) {
                $vi = $nvij / $vi;
                $vi = $vi * $wv;
            }
            // to calculate the net views scorelogged user and the clculatd user
            $ii = $nii + $nij - $niij;
            if ($ii != 0) {
                $ii = $niij / $ii;
                $ii = $ii * $wi;
            }
            // to calculate the net tags scorelogged user and the clculatd user
            $ti = $nti + $ntj - $ntij;
            if ($ti != 0) {
                $ti = $ntij / $ti;
                $ti = $ti * $wt;
            }
            // to calculate the net knows scorelogged user and the clculatd user
            $pi = $npi + $npj - $npij;
            if ($pi != 0) {
                $pi = $npij / $pi;
                $pi = $pi * $wp;
            }
            // to calculate the net similarity scorelogged user and the clculatd user
            $si[$j] = $ci + $ti + $vi + $pi + $ii;
            $si[$j] = round($si[$j] * 100);
            $j = $j + 1;
        }
        //end while }
    }
    // to display the net similarity scorelogged user and the clculatd user
    for ($k = 0; $k < $j; $k++) {
        if ($si[$k] == 0) {
            continue;
        }
        //else
        //echo $si[$k] . "<br />";
    }
    // to sort the first set of people
    if (isset($rec1_array) || isset($rec1_simscore)) {
        sort_rec($rec1_simscore, $rec1_array);
    }
    // to populate the second set of people
    if (isset($rec2_array) || isset($rec2_simscore)) {
        sort_rec($rec2_simscore, $rec2_array);
    }
    // to populate the third set of people
    if (isset($rec3_array) || isset($rec3_simscore)) {
        sort_rec($rec3_simscore, $rec3_array);
    }
    // to populate the fourth set of people
    if (isset($rec4_array) || isset($rec4_simscore)) {
        sort_rec($rec4_simscore, $rec4_array);
    }
    // to populate the fifth set of people
    if (isset($rec5_array) || isset($rec5_simscore)) {
        sort_rec($rec5_simscore, $rec5_array);
    }
    // to display the first set of people
    if (isset($rec1_array) || isset($rec1_simscore)) {
        //echo("<person id=\"" . $rec1_array[0] . "\" />");
        // to display the second set of people
        if (isset($rec2_array) || isset($rec2_simscore)) {
            //echo "<person id=\"" . $rec2_array[0] . "\" />";
            // to display the third set of people
            if (isset($rec3_array) || isset($rec3_simscore)) {
                //echo "<person id=\"" . $rec3_array[0] . "\" />";
                // to display the fourth set of people
                if (isset($rec4_array) || isset($rec4_simscore)) {
                    //echo "<person id=\"" . $rec4_array[0] . "\" />";
                    // to display the fifth set of people
                    if (isset($rec5_array) || isset($rec5_simscore)) {
                        //echo "<person id=\"" . $rec5_array[0] . "\" />";
                        for ($k = 0; $k < 5; $k++) {
                            if ($rec1_array[$k] != null) {
                                $recommended[0][$k] = $rec1_array[$k];
                            } else {
                                $recommended[0][$k] = null;
                            }
                            if ($rec2_array[$k] != null) {
                                $recommended[1][$k] = $rec2_array[$k];
                            } else {
                                $recommended[1][$k] = null;
                            }
                            if ($rec3_array[$k] != null) {
                                $recommended[2][$k] = $rec3_array[$k];
                            } else {
                                $recommended[2][$k] = null;
                            }
                            if ($rec4_array[$k] != null) {
                                $recommended[3][$k] = $rec4_array[$k];
                            } else {
                                $recommended[3][$k] = null;
                            }
                            if ($rec5_array[$k] != null) {
                                $recommended[4][$k] = $rec5_array[$k];
                            } else {
                                $recommended[4][$k] = null;
                            }
                        }
                    }
                }
            }
        }
    }
    // to check for duplicates of people and replace set of people
    for ($i = 1; $i <= 5; $i++) {
        for ($j = 0; $j < 4; $j++) {
            if ($recommended[$j][0] == $recommended[$j + 1][0]) {
                if ($recommended[$j][1] != null) {
                    $recommended[$j][0] = $recommended[$j][1];
                } else {
                    $recommended[$j][0] = null;
                }
            }
        }
    }
    // to display one randomly out of set  of people
    $Top_recommend = array($recommended[0][0], $recommended[1][0], $recommended[2][0], $recommended[3][0], $recommended[4][0]);
    shuffle($Top_recommend);
    // to display the unique subset in case rendomly selected people set is empty
    if (count($Top_recommend) == 0) {
        shuffle($unique_subset);
    }
    $retstring = '<recommendedpeople>';
    $pingstring = '<toprecommendedperson>';
    $query = mysql_query("select * from peoplenodes where id='{$Top_recommend['0']} ' or id='{$Top_recommend['1']}' or id='{$Top_recommend['2']}' or id='{$Top_recommend['3']}' or id='{$Top_recommend['4']}'");
    while ($row = mysql_fetch_array($query)) {
        $retstring = $retstring . "<people id = \"{$row['id']}\" name = \"{$row['name']}\"  nationality = \"{$row['nationality']}\" nodetype= \"{$row['nodetype']}\" company = \"{$row['company']}\"  picture = \"{$row['picture']}\"  loggedin = \"{$row['loggedin']}\"  url = \"{$row['url']}\"   grandscore = \"{$row['grandscore']}\"   interests = \"{$row['interests']}\"  emailid = \"{$row['emailid']}\" jointime = \"{$row['jointime']}\"\n\t\ttimesvisited=\"{$row['timesvisited']}\" invite = \"{$row['invite']}\" lastaccessed = \"{$row['lastaccessed']}\" invitedby = \"{$row['invitedby']}\"   competences = \"{$row['competences']}\"    name_py= \"{$row['name_py']}\"   alias = \"{$row['alias']}\"   RF = \"{$row['RF']}\"     competences_py = \"{$row['competences_py']}\"   emailid_py = \"{$row['emailid_py']}\"  picture_py = \"{$row['picture_py']}\"  />\n";
    }
    for ($i = 0; $i < 5; $i++) {
        if ($Top_recommend[$i] == null) {
            continue;
        } else {
            $query = mysql_query("select * from peoplenodes where id='{$Top_recommend[$i]}'");
            $row = mysql_fetch_array($query);
            $pingstring = $pingstring . "<people id = \"{$row['id']}\" name = \"{$row['name']}\"  nationality = \"{$row['nationality']}\" nodetype= \"{$row['nodetype']}\" company = \"{$row['company']}\"  picture = \"{$row['picture']}\"  loggedin = \"{$row['loggedin']}\"  url = \"{$row['url']}\"   grandscore = \"{$row['grandscore']}\"   interests = \"{$row['interests']}\"  emailid = \"{$row['emailid']}\" jointime = \"{$row['jointime']}\"\n\t\t\ttimesvisited=\"{$row['timesvisited']}\" invite = \"{$row['invite']}\" lastaccessed = \"{$row['lastaccessed']}\" invitedby = \"{$row['invitedby']}\"   competences = \"{$row['competences']}\"    name_py= \"{$row['name_py']}\"   alias = \"{$row['alias']}\"   RF = \"{$row['RF']}\"     competences_py = \"{$row['competences_py']}\"   emailid_py = \"{$row['emailid_py']}\"  picture_py = \"{$row['picture_py']}\"  />\n";
            break;
        }
    }
    $pingstring .= '</toprecommendedperson>';
    $splcharacters = array("&", "'");
    $pingstring_without_splcharacters = str_replace($splcharacters, "", $pingstring);
    if (count($Top_recommend) == 0) {
        $query = mysql_query("select * from peoplenodes where id='{$unique_subset['0']}'");
        $row = mysql_fetch_array($query);
        $retstring = $retstring . "<people id = \"{$row['id']}\" name = \"{$row['name']}\"  nationality = \"{$row['nationality']}\" nodetype= \"{$row['nodetype']}\" company = \"{$row['company']}\"  picture = \"{$row['picture']}\"  loggedin = \"{$row['loggedin']}\"  url = \"{$row['url']}\"   grandscore = \"{$row['grandscore']}\"   interests = \"{$row['interests']}\"  emailid = \"{$row['emailid']}\" jointime = \"{$row['jointime']}\"\n\t\ttimesvisited=\"{$row['timesvisited']}\" invite = \"{$row['invite']}\" lastaccessed = \"{$row['lastaccessed']}\" invitedby = \"{$row['invitedby']}\"   competences = \"{$row['competences']}\"    name_py= \"{$row['name_py']}\"   alias = \"{$row['alias']}\"   RF = \"{$row['RF']}\"     competences_py = \"{$row['competences_py']}\"   emailid_py = \"{$row['emailid_py']}\"  picture_py = \"{$row['picture_py']}\"  />\n";
    }
    $retstring .= '</recommendedpeople>';
    $splcharacters = array("&", "'");
    $retstring_without_splcharacters = str_replace($splcharacters, "", $retstring);
    echo $pingstring_without_splcharacters . $retstring_without_splcharacters . "</Result>";
}
}
// to populate the second set of people
if (isset($rec2_array) || isset($rec2_simscore)) {
    sort_rec($rec2_simscore, $rec2_array);
}
// to populate the third set of people
if (isset($rec3_array) || isset($rec3_simscore)) {
    sort_rec($rec3_simscore, $rec3_array);
}
// to populate the fourth set of people
if (isset($rec4_array) || isset($rec4_simscore)) {
    sort_rec($rec4_simscore, $rec4_array);
}
// to populate the fifth set of people
if (isset($rec5_array) || isset($rec5_simscore)) {
    sort_rec($rec5_simscore, $rec5_array);
}
// to display the first set of people
if (isset($rec1_array) || isset($rec1_simscore)) {
    //echo("<person id=\"" . $rec1_array[0] . "\" />");
    // to display the second set of people
    if (isset($rec2_array) || isset($rec2_simscore)) {
        //echo "<person id=\"" . $rec2_array[0] . "\" />";
        // to display the third set of people
        if (isset($rec3_array) || isset($rec3_simscore)) {
            //echo "<person id=\"" . $rec3_array[0] . "\" />";
            // to display the fourth set of people
            if (isset($rec4_array) || isset($rec4_simscore)) {
                //echo "<person id=\"" . $rec4_array[0] . "\" />";
                // to display the fifth set of people
                if (isset($rec5_array) || isset($rec5_simscore)) {
function videonodes($userid)
{
    $query = mysql_query("select * from peoplenodes where id='{$userid}'");
    $row = mysql_fetch_array($query);
    $competences = explode(",", $row['competences']);
    $interests = explode(",", $row['interests']);
    //All those videos which user has not seen
    $query = mysql_query("select * from videonodes where video_py='#EVERYBODY#' and submittedby!='{$userid}'");
    $i = 0;
    while ($row = mysql_fetch_array($query)) {
        $authors = explode(",", $row['authors']);
        $present = 0;
        foreach ($authors as $author) {
            if ($author == $userid) {
                $present = 1;
            }
        }
        if ($present == 0) {
            $queryedges = mysql_query("SELECT * FROM edges where name='Has seen' and fromID='{$userid}' and toID='" . $row['id'] . "'");
            if (mysql_num_rows($queryedges) == 0) {
                $filterlist[$i] = $row;
                $i = $i + 1;
            }
        }
    }
    $p1 = 0;
    $p2 = 0;
    $p3 = 0;
    $p4 = 0;
    $p5 = 0;
    $i = 0;
    //Matching Video priorities
    foreach ($filterlist as $video) {
        //prority 1 $ 4
        $inp1 = 0;
        $inp4 = 0;
        $selectedvideos[$i] = 0;
        $video_score[$i] = 0;
        $filtertags = explode(",", $video['tags']);
        $query = mysql_query("select * from videonodes where submittedby='{$userid}'");
        while ($row = mysql_fetch_array($query)) {
            $queryedges = mysql_query("select * from edges where name='Is Related To' and ((fromID='" . $row['id'] . "' and toID='" . $video['id'] . "') or (toID='" . $row['id'] . "' and fromID='" . $video['id'] . "'))");
            if (mysql_num_rows($queryedges) != 0) {
                $inp1 = 1;
                continue;
            }
            $tags = explode(",", $row['tags']);
            $tagmatch = 0;
            foreach ($tags as $tag) {
                foreach ($filtertags as $filtertag) {
                    if ($filtertag == $tag) {
                        $tagmatch = 1;
                        continue;
                    }
                }
            }
            if ($tagmatch == 1) {
                $inp4 = 1;
            }
        }
        if ($inp1 == 1) {
            $selectedvideos[$i] = $selectedvideos[$i] + 5;
            $video_score[$i] = $video_score[$i] + 5;
        }
        if ($inp4 == 1) {
            $selectedvideos[$i] = $selectedvideos[$i] + 2;
            $video_score[$i] = $video_score[$i] + 2;
        }
        //priority 2
        $inp2 = 0;
        $queryedges = mysql_query("select * from edges where name='Knows' and (fromID='{$userid}' or toID='{$userid}')");
        while ($row = mysql_fetch_array($queryedges)) {
            if ($row['fromID'] == $userid) {
                if ($video['submittedby'] == $row['toID']) {
                    $inp2 = 1;
                    continue;
                }
            } else {
                if ($video['submittedby'] == $row['fromID']) {
                    $inp2 = 1;
                    continue;
                }
            }
        }
        if ($inp2 == 1) {
            $selectedvideos[$i] = $selectedvideos[$i] + 4;
            $video_score[$i] = $video_score[$i] + 4;
        }
        //priority 3
        $inp3 = 0;
        $queryedges = mysql_query("select * from edges where name ='Has seen' and fromID='{$userid}'");
        while ($row = mysql_fetch_array($queryedges)) {
            //3-1
            if ($video['previousversion'] == $row['toID']) {
                $inp3 = 1;
                continue;
            }
            //3-2
            $queryedgesagain = mysql_query("select * from edges where name='Is Related To' and ((fromID='" . $row['toID'] . "' and toID='" . $video['id'] . "') or (toID='" . $row['toID'] . "' and fromID='" . $video['id'] . "'))");
            if (mysql_num_rows($queryedgesagain) != 0) {
                $inp3 = 1;
                continue;
            }
            //3-3
            $queryedgesagain = mysql_query("select * from videonodes where id='" . $row['toID'] . "'");
            $rowagain = mysql_fetch_array($queryedgesagain);
            if ($video['submittedby'] == $rowagain['submittedby']) {
                $inp3 = 1;
                continue;
            }
            //3-4
            $authors = explode(",", $rowagain['authors']);
            $present = 0;
            foreach ($authors as $author) {
                if ($author == $video['submittedby']) {
                    $present = 1;
                    continue;
                }
            }
            if ($present == 1) {
                $inp3 = 1;
                continue;
            }
        }
        if ($inp3 == 1) {
            $selectedvideos[$i] = $selectedvideos[$i] + 3;
            $video_score[$i] = $video_score[$i] + 3;
        }
        //priority 5
        $inp5 = 0;
        $titles = explode(" ", $video['name']);
        $tags = explode(",", $video['tags']);
        $descriptions = explode(" ", $video['description']);
        foreach ($competences as $competence) {
            foreach ($titles as $title) {
                if ($title == $competence) {
                    $inp5 = 1;
                    continue;
                }
                if ($tags == $competence) {
                    $inp5 = 1;
                    continue;
                }
                if ($descriptions == $competence) {
                    $inp5 = 1;
                    continue;
                }
            }
            if ($inp5 == 1) {
                continue;
            }
        }
        if ($inp5 != 1) {
            foreach ($interests as $interest) {
                foreach ($titles as $title) {
                    if ($title == $interest) {
                        $inp5 = 1;
                        continue;
                    }
                    if ($tags == $interest) {
                        $inp5 = 1;
                        continue;
                    }
                    if ($descriptions == $interest) {
                        $inp5 = 1;
                        continue;
                    }
                }
                if ($inp5 == 1) {
                    continue;
                }
            }
        }
        if ($inp5 == 1) {
            $selectedvideos[$i] = $selectedvideos[$i] + 1;
            $video_score[$i] = $video_score[$i] + 1;
        }
        $vid_name[$i] = $video['id'];
        $vid_netscore[$i] = $video_score[$i] * $video['grandrating'];
        $i = $i + 1;
    }
    //end foreach
    sort_rec($vid_netscore, $vid_name);
    $j = 0;
    for ($i = 5; $i < count($vid_name); $i++) {
        $query = mysql_query("select * from videonodes where id='{$vid_name[$i]}'");
        $row = mysql_fetch_array($query);
        if ($row['grandrating'] >= 3) {
            $new_subset[$j] = $vid_name[$i];
        }
    }
    shuffle($new_subset);
    //echo("<br />the_toprecommend vids are".$new_subset[0]);
    //echo "<video name=\"" . $new_subset[0] . "\" />";
    $retstring = '';
    for ($i = 0; $i < 5; $i++) {
        $query = mysql_query("select * from videonodes where id='{$vid_name[$i]}'");
        $row = mysql_fetch_array($query);
        $retstring = $retstring . "<recommendation type= \"video\" name=\"{$row['name']}\" url =\"\" />\n";
    }
    $splcharacters = array("&", "'");
    $retstring_without_splcharacters = str_replace($splcharacters, "", $retstring);
    echo $retstring_without_splcharacters . "</recommendations>" . "</Result>";
}
            }
            if ($inp5 == 1) {
                continue;
            }
        }
    }
    if ($inp5 == 1) {
        $selectedvideos[$i] = $selectedvideos[$i] + 1;
        $video_score[$i] = $video_score[$i] + 1;
    }
    $vid_name[$i] = $video['id'];
    $vid_netscore[$i] = $video_score[$i] * $video['grandrating'];
    $i = $i + 1;
}
//end foreach
sort_rec($vid_netscore, $vid_name);
echo "<Result>";
$j = 0;
for ($i = 5; $i < count($vid_name); $i++) {
    $query = mysql_query("select * from videonodes where id='{$vid_name[$i]}'");
    $row = mysql_fetch_array($query);
    if ($row['grandrating'] >= 3) {
        $new_subset[$j] = $vid_name[$i];
    }
}
shuffle($new_subset);
//echo("<br />the_toprecommend vids are".$new_subset[0]);
//echo "<video name=\"" . $new_subset[0] . "\" />";
$retstring = '';
for ($i = 0; $i < 5; $i++) {
    $query = mysql_query("select * from videonodes where id='{$vid_name[$i]}'");