function LLXP(obj, lang){
	url = "http://bases.bireme.br/iah/online/";

	if (lang == "pt"){ oneLetterLang = "P"; }
	if (lang == "es"){ oneLetterLang = "E"; }
	if (lang == "en"){ oneLetterLang = "I"; }

	url += oneLetterLang + "/llxp_disclaimer.htm?keepThis=true&TB_iframe=true&height=210&width=450"
	obj.href = url;

}

function nextLevelSematicType(current_level, st_code){

    var form = document.forms[0];
    var st_next_cluster = "";
    var next_level = parseInt(current_level) + 1;

    st_next_cluster = "st_cluster" + next_level.toString();
    /*
    if (next_level >= 3){
        st_next_cluster = "st_clusterN";
    }else{
        st_next_cluster = "st_cluster" + next_level.toString();
    }
    */

    /*
        alert("next cluster:" + st_next_cluster);
        alert("semantic type prefix:" + st_code);
    */

    // set facet prefix of next level to start with last semantic code selected
    form.fp.value = st_next_cluster + ":" + st_code;

    // set facet browse to show a limit of 50 itens of next level in the semantic type tree
    form.fb.value = st_next_cluster + ":20";

    return;
}

function show_cochrane( lnk,refDB,refID ){

    form = document.searchForm;
    lang = form.lang.value;
    if (lang == "pt"){ oneLetterLang = "p"; }
    if (lang == "es"){ oneLetterLang = "e"; }
    if (lang == "en"){ oneLetterLang = "i"; }

    refUrl = "http://cochrane.bvsalud.org/doc.php?db=" + refDB + "&id=" + refID;

    lnk.href = refUrl;

    return true;
}