function update_id_recueil(select)
{
                var id_recueil=document.getElementById('id_recueil');
                id_recueil.value=select.value;
}

function update_id_recueil2(select)
{
                var id_recueil=document.getElementById('id_recueil2');
                id_recueil.value=select.value;
}

function create_select_recueil(tr)
{
        var td1=document.createElement("td");
        var td2=document.createElement("td");
        td1.innerHTML="Rechercher dans un recueil";
        var select=document.createElement("select");
        select.onchange=function (){
                update_id_recueil(select);
        };
        select.setAttribute("name","select_recueil");
        select.setAttribute("style","width: 200px;");
        td2.appendChild(select);
        tr.appendChild(td1);
        tr.appendChild(td2);
        return select;
}

function create_select_recueil2(tr)
{
        var td1=document.createElement("td");
        var td2=document.createElement("td");
        td1.innerHTML="Rechercher dans un recueil";
        var select=document.createElement("select");
        select.onchange=function (){
                update_id_recueil2(select);
        };
        select.setAttribute("name","select_recueil");
        select.setAttribute("style","width: 200px;");
        td2.appendChild(select);
        tr.appendChild(td1);
        tr.appendChild(td2);
        return select;
}


function update_recueil(select_base)
{
	
        remove_all_children(document.getElementById('tr_select_recueil'));
        if(select_base.value=="toutes")
        {
        	var id_recueil=document.getElementById('id_recueil');
                id_recueil.value="tous";
        	return;
        }
        var select=create_select_recueil(document.getElementById('tr_select_recueil'));
        list_recueil_in_base(select,select_base.value);
}


function update_recueil2(select_base)
{
	
        remove_all_children(document.getElementById('tr_select_recueil2'));
        if(select_base.value=="toutes")
        {
        	var id_recueil=document.getElementById('id_recueil2');
                id_recueil.value="tous";
        	return;
        }
        var select=create_select_recueil2(document.getElementById('tr_select_recueil2'));
        list_recueil_in_base2(select,select_base.value);
}

function remove_all_children(select)
{
        while(select.firstChild)
        {
                select.removeChild(select.firstChild);
        }
}
/*
This function list everything in a base
and adds the option in the select node
*/
function list_recueil_in_base(select,id_base)
{
        remove_all_children(select);
        if (window.XMLHttpRequest) { // Mozilla, Safari, ...
                httpRequest = new XMLHttpRequest();
        }
        else if (window.ActiveXObject) { // IE
                httpRequest = new ActiveXObject("Microsoft.XMLHTTP");
        }
        httpRequest.overrideMimeType('text/xml');
        httpRequest.onreadystatechange = function ()
        {
                //la reponse est reçue
                if (httpRequest.readyState == 4) {
                        // tout va bien, la réponse a été reçue
                        if (httpRequest.status == 200) {
                        // parfait !
                                var doc=httpRequest.responseXML;
                                var recueils=doc.getElementsByTagName('recueils')[0];
                                var r=recueils.getElementsByTagName('recueil');
                                for(i=0;i<r.length;i++)
                                {
                                        var titre=r[i].getAttribute("titre");
                                        var id_recueil=r[i].getAttribute("id_recueil");
                                        var option=document.createElement('option');
                                        option.value=id_recueil;
                                        option.innerHTML=titre;
                                        select.appendChild(option);

                                }
                                update_id_recueil(select);
                        }
                } 
                

        };
        httpRequest.open('GET', 'http://www.psautiers.org/list.php?id_base='+id_base, true);
        httpRequest.send(null);
        
}



function list_recueil_in_base2(select,id_base)
{
        remove_all_children(select);
        if (window.XMLHttpRequest) { // Mozilla, Safari, ...
                httpRequest = new XMLHttpRequest();
        }
        else if (window.ActiveXObject) { // IE
                httpRequest = new ActiveXObject("Microsoft.XMLHTTP");
        }
        httpRequest.overrideMimeType('text/xml');
        httpRequest.onreadystatechange = function ()
        {
                //la reponse est reçue
                if (httpRequest.readyState == 4) {
                        // tout va bien, la réponse a été reçue
                        if (httpRequest.status == 200) {
                        // parfait !
                                var doc=httpRequest.responseXML;
                                var recueils=doc.getElementsByTagName('recueils')[0];
                                var r=recueils.getElementsByTagName('recueil');
                                for(i=0;i<r.length;i++)
                                {
                                        var titre=r[i].getAttribute("titre");
                                        var id_recueil=r[i].getAttribute("id_recueil");
                                        var option=document.createElement('option');
                                        option.value=id_recueil;
                                        option.innerHTML=titre;
                                        select.appendChild(option);

                                }
                                update_id_recueil2(select);
                        }
                } 
                

        };
        httpRequest.open('GET', 'http://www.psautiers.org/list.php?id_base='+id_base, true);
        httpRequest.send(null);
        
}