function showhide(id) {
    var itm = null;
    
    if (document.getElementById) {
        itm = document.getElementById(id);
    } else if (document.all){
        itm = document.all[id];
    } else if (document.layers){
        itm = document.layers[id];
    }
    
    if (itm) {
        if (itm.style) {
            if (itm.style.display == 'none') {
                itm.style.display = '';
            } else {
                itm.style.display = 'none';
            }
        } else {
            itm.visibility = 'show';
        }
    }
}

function ValidateForm() {
    var Check = 0;
    if (document.LOGIN.pseudo.value == '') { Check = 1; }
    if (document.LOGIN.password.value == '') { Check = 1; }
    if (Check == 1) {
        alert("Vous devez saisir votre identifiant et votre mot de passe pour continuer");
        return false;
    } else {
        document.LOGIN.submit.disabled = true;
        return true;
    }
}

function ValidateDelete(formname) {
    if (confirm('Etes vous sur de vouloir procéder à cette action ?')) {
        document.formname.submit.disabled = true;
    } else {
        return false;
    }
}

function getposOffset(overlay, offsettype){
    var totaloffset=(offsettype=="left")? overlay.offsetLeft : overlay.offsetTop;
    var parentEl=overlay.offsetParent;
    while (parentEl!=null){
        totaloffset=(offsettype=="left")? totaloffset+parentEl.offsetLeft : totaloffset+parentEl.offsetTop;
        parentEl=parentEl.offsetParent;
    }
    return totaloffset;
}

function overlay(curobj, subobj){
    if (document.getElementById){
        var subobj=document.getElementById(subobj)
        subobj.style.left=getposOffset(curobj, "left")+"px"
        subobj.style.top=getposOffset(curobj, "top")+"px"
        subobj.style.display="block"
        return false
    }
    else
        return true
}

function overlayclose(subobj){
    document.getElementById(subobj).style.display="none"
}