function show_popup_admin () {
	var popup = document.getElementById('popup_admin');
	
	var mainLayout = document.getElementById('mainLayout');

	if(popup.style.display == 'block') {
		mainLayout.style.opacity = '1';
		mainLayout.style.filter = 'alpha(opacity=100)';
		mainLayout.style.MozOpacity = '1';
		popup.style.display = 'none';
	}
	else {
		mainLayout.style.opacity = '0.5';
		mainLayout.style.filter = 'alpha(opacity=50)';
		mainLayout.style.MozOpacity = '0.5';
		popup.style.display = 'block';
	}
}

function verif_form_admin () {	
	var ok = true;

	var pwd = document.getElementById('password_admin');
	var login = document.getElementById('login_admin');
	
	if (pwd.value == "") {
		ok = false;
		document.getElementById('label_password_admin').style.color = 'red';
	}
	
	if (login.value == "")
	{
		ok = false;
		document.getElementById('label_login_admin').style.color = 'red';
	}
	if(ok == true) {	
		var mainLayout = document.getElementById('mainLayout');
		mainLayout.style.opacity = '1';
		
		document.forms['form_admin'].submit();
	}
}

function verif_form_mail () {	
	var ok = true;

	var mail = document.getElementById('post_email');
	var title = document.getElementById('post_title');
	var text = document.getElementById('post_text');
	
	if (mail.value == "") {
		ok = false;
		document.getElementById('label_post_email').style.color = 'red';
	}
	if (title.value == "") {
		ok = false;
		document.getElementById('label_post_title').style.color = 'red';
	}
	if (text.value == "") {
		ok = false;
		document.getElementById('label_post_text').style.color = 'red';
	}
	if(ok == true) {			
		document.forms['form_mail'].submit();
	}
}

function text_modif() {
	var text = document.getElementById('text');
	var text_modif = document.getElementById('text_modif');
	
	text.style.display = 'none';
	text_modif.style.display = 'block';
}

function save_text( title ) {
	
}

function picture_add() {
	var picture_add = document.getElementById('picture_add');
	var picture_upload = document.getElementById('picture_upload');
	
	picture_add.style.display = 'none';
	picture_upload.style.display = 'block';
}

function miniature_delete( id ) {
	var miniature_image = document.getElementById('miniature_image'+id);
	var miniature_delete = document.getElementById('miniature_delete'+id);

	miniature_image.style.opacity = '0.2';
	miniature_image.style.filter = "alpha(opacity=20)";
	mainLayout.style.MozOpacity = '0.2';
	miniature_delete.style.display = 'block';
}

function miniature_undelete( id ) {
	var miniature_image = document.getElementById('miniature_image'+id);
	var miniature_delete = document.getElementById('miniature_delete'+id);
	
	miniature_image.style.opacity = '1';
	miniature_image.style.filter = "alpha(opacity=100)";
	mainLayout.style.MozOpacity = '1';
	miniature_delete.style.display = 'none';
}

function miniature_delete_confirm( id ) {
	var miniature = document.getElementById('miniature'+id);
	miniature.style.display = 'none';
}

function delete_picture (picture) {
	var popup_confirm = document.getElementById('confirm_delete');
	var link_confirm = document.getElementById('confirm_delete_link');
	var miniature = document.getElementById('miniature'+picture);
	link_confirm.href = './delete_picture.php?photo='+picture;
	popup_confirm.style.left = (miniature.offsetLeft+5)+"px";
	popup_confirm.style.top = (miniature.offsetTop-60)+"px";
	popup_confirm.style.display = 'block';
}

function unconfirm_delete () {
	var popup_confirm = document.getElementById('confirm_delete');
	popup_confirm.style.display = 'none';
}