var retstart = 1;
var QueryKey = 1;
var WebEnv = "";
var SearchTerms = '("breast neoplasms"[MeSH Terms] OR ("breast"[All Fields] AND "neoplasms"[All Fields]) OR "breast neoplasms"[All Fields] OR ("breast"[All Fields] AND "cancer"[All Fields]) OR "breast cancer"[All Fields]) AND ("vitamin d"[MeSH Terms] OR "vitamin d"[All Fields] OR "ergocalciferols"[MeSH Terms] OR "ergocalciferols"[All Fields])';

function SendQuery() { 
    var sQuery = 'http://eutils.ncbi.nlm.nih.gov/entrez/eutils/esearch.fcgi?db=pubmed&term=' + SearchTerms + '&usehistory=y';

    $.get(sQuery, function(q) {
        QueryKey = $(q).find('QueryKey').text();
        WebEnv = $(q).find('WebEnv').text();
        DisplayPubmedResults();
    });

}

function DisplayPubmedResults() {
    var sQuery = "";
    var sSummaryQuery = 'http://eutils.ncbi.nlm.nih.gov/entrez/eutils/esummary.fcgi?db=pubmed&query_key=' + QueryKey + '&WebEnv=' + WebEnv + '&retmax=20&retmode=xml&retstart=' + retstart + '&rettype=abstract';
    var sXslt = "/mod_product/xslt/pubmed.xslt";
    //alert(sSummaryQuery);

    //remove link
    $('div#pubmed-results p.more').remove()
    $('div#pubmed-results div#nextresultset').remove()

    //load results
    $('div#results' + retstart).xslt(sSummaryQuery, sXslt);
    retstart += 20;
    
    //add new div for next set
    $('div#pubmed-results').append('<div id="results' + retstart + '"></div>');

    return false;
}


$(document).ready(function() {
    SendQuery();
});