//Change the action string on the form tag and submit the form
function gd_sel_chgsearch_onchange(dropdown) {
    
    var entity = dropdown.id.substr(4); //strip the sel_ from the id tag
    var sel_id_idx = dropdown.selectedIndex; //which item in the pull down is selected
    var sel_id = dropdown[sel_id_idx].value; //what is that pull down's value'
    document.frm_gd.action+="?action=search&var1=" + entity + "&var2=" + sel_id;
    document.frm_gd.submit();
    
}

function gd_a_sel_onchange(dropdown) {
    
    var entity = dropdown.id.substr(6); //strip the sel_ from the id tag
    var sel_id_idx = dropdown.selectedIndex; //which item in the pull down is selected
    var sel_id = dropdown[sel_id_idx].value; //what is that pull down's value'
    document.frm_gd.action+="?action=search&var1=" + entity + "&var2=" + sel_id;
    document.frm_gd.submit();
    
}

function gd_t_sel_onchange(dropdown) {
    
    var entity = dropdown.id.substr(6); //strip the sel_ from the id tag
    var sel_id_idx = dropdown.selectedIndex; //which item in the pull down is selected
    var sel_id = dropdown[sel_id_idx].value; //what is that pull down's value'
    document.frm_gd.action+="?action=search&var1=" + entity + "&var2=" + sel_id;
    document.frm_gd.submit();
    
}

function gd_k_sel_onchange(dropdown) {
    
    var entity = dropdown.id.substr(6); //strip the sel_ from the id tag
    var sel_id_idx = dropdown.selectedIndex; //which item in the pull down is selected
    var sel_id = dropdown[sel_id_idx].value; //what is that pull down's value'
    document.frm_gd.action+="?action=search&var1=" + entity + "&var2=" + sel_id;
    document.frm_gd.submit();
    
}

function gd_tr_sel_onchange(dropdown) {
    
    var entity = dropdown.id.substr(7); //strip the sel_ from the id tag
    var sel_id_idx = dropdown.selectedIndex; //which item in the pull down is selected
    var sel_id = dropdown[sel_id_idx].value; //what is that pull down's value'
    document.frm_gd.action+="?action=search&var1=" + entity + "&var2=" + sel_id;
    document.frm_gd.submit();
    
}