user = {
	login:function(){
		var user_login=$("#user_login").val();
		var user_passw=$("#user_passw").val();
		$.ajax({
		   type: "POST",
		   url: "ajax/login.php",
		   data: {user_login: user_login,
		   		  user_passw: user_passw
				},
		   error:function(msg){
		     	alert( "Erreur : " + msg );
		   },
		   success:function(data){
				eval(data);
		   }});
		return false;
	},
	fb_login:function(){
		FB.login(function(response) {
		   if (response.authResponse) {
		     FB.api('/me', function(response) {
		       if(typeof response.id != 'undefined'){
				   $.ajax({
						   type: "POST",
						   url: "ajax/login.php",
						   data: {fb_id: response.id,
						   		  fb_name: response.name,
					   			  fb_email: response.email,
					   			  fb_locale: response.locale
								},
						   error:function(msg){
						     	alert( "Erreur : " + msg );
						   },
						   success:function(data){
								eval(data);
						   }});
		       }
		     });
		   }
		 }, {scope: 'email'});
		return false;
	}
}

function checkSelection(text_err_msg,toon_err_msg){
	if((document.getElementById('toon_id').value=='')&&(document.getElementById('img_id').value=='')){
		alert(toon_err_msg);
	}else if(document.selection.signature.value==''){
		alert(text_err_msg);
	}else{
		document.selection.submit();
	}
	return false;
}

function checkText(text_err_msg){
	if(document.selection.text.value==''){
		alert(text_err_msg);
		return false;
	}
	document.selection.submit();
	return false;
}

function switch_toon(toon_id,img_id,adjust_x,adjust_y){
	var previous_toon_id=document.getElementById('toon_id').value;
	document.getElementById('img_'+previous_toon_id).className='unselected';
	document.getElementById('img_'+toon_id).className='selected';
	document.getElementById('toon_id').value=toon_id;
	if(img_id!=''){
		document.getElementById('img_id').value=img_id;
		document.getElementById('adjust_x').value=adjust_x;
		document.getElementById('adjust_y').value=adjust_y;
	}
	return false;
}

function manage_toon_status(img_id,status){
	ajax_send('POST','service.php','action=manage_toon_status&img_id='+img_id+'&status='+status);
	return false;
}

function changeFontName(lang){
	var font_args=document.selection.font_args.value.split(',');
	adjustFontSize(font_args[1],font_args[2],font_args[3]);
	document.images['font_preview'].src='font_preview.php?lang='+lang+'&font_id='+font_args[0]+'&font_size='+font_args[1]+'&img_width=280&img_height=58';
}

function changeFontSize(lang){
	var font_args=document.selection.font_args.value.split(',');
	document.images['font_preview'].src='font_preview.php?lang='+lang+'&font_id='+font_args[0]+'&font_size='+document.selection.font_size.value+'&img_width=280&img_height=58';
}

function adjustFontSize(size_default,size_min,size_max){
	document.selection.font_size.options.length = 0;
	for(var size=size_min;size<=size_max;size++){
		if(eval(document.all)){
			var elOption=document.createElement("OPTION");
			elOption.text=size;
			elOption.value=size;
			elOption.selected=(size==size_default);
			document.selection.font_size.options.add(elOption);
		}else{
			var elOption=new Option;
			elOption.text=size;
			elOption.value=size;
			elOption.selected=(size==size_default);
			document.selection.font_size.options[document.selection.font_size.length]=elOption;
		}
	}
}

function update_preview(img_id,err_msg,is_logged,button_value,adjust_notice){
	if(img_id!=''){
		document.getElementById('img_id').value=img_id;
		document.getElementById('user_button').value=button_value;
		document.getElementById('user_link').style.display='none';
		adjust_preview(4,4,is_logged,adjust_notice);
	}else{
		alert(err_msg);
	}
	document.getElementById('fichier').value='';
}

function adjust_preview(adjust_x,adjust_y,is_logged,adjust_notice){
	var img_id=document.getElementById('img_id').value;
	document.getElementById('adjust_x').value=adjust_x;
	document.getElementById('adjust_y').value=adjust_y;
	document.getElementById('adjust_advice').innerHTML=decodeURIComponent(adjust_notice);
	document.getElementById('toon_preview').src='toon_adjust.php?img_id='+img_id+'&x='+adjust_x+'&y='+adjust_y;
	document.getElementById('toon_preview').className='selected';
	document.getElementById('toon_preview').style.backgroundImage='url(uploads/'+img_id+'.gif)';
	document.getElementById('toon_preview').style.backgroundRepeat='no-repeat';
	document.getElementById('toon_preview').style.backgroundPosition='center center';
	if(is_logged=='1'){
		document.getElementById('user_button').style.display='block';
		document.getElementById('user_share_p').style.display='block';
	}
}

function user_add_figurine(lang,user_id){
	var img_id=document.getElementById('img_id').value;
	var adjust_x=document.getElementById('adjust_x').value;
	var adjust_y=document.getElementById('adjust_y').value;
	var shared=document.getElementById('user_share_c').checked ? 1 : 0;
	ajax_send('POST','service.php','action=add_figurine&lang='+lang+'&user_id='+user_id+'&img_id='+img_id+'&adjust_x='+adjust_x+'&adjust_y='+adjust_y+'&shared='+shared);
	return false;
}

function user_add_signature(lang,img_id,user_id){
	ajax_send('POST','service.php','action=add_signature&lang='+lang+'&img_id='+img_id+'&user_id='+user_id);
	return false;
}

function user_switch_toon(upload_id,img_id,adjust_x,adjust_y,button_value,adjust_notice,shared){
	document.getElementById('adjust_advice').innerHTML=adjust_notice;
	document.getElementById('toon_preview').src='toon_adjust.php?img_id='+img_id+'&x='+adjust_x+'&y='+adjust_y;
	document.getElementById('toon_preview').className='selected';
	document.getElementById('toon_preview').style.backgroundImage='url(uploads/'+img_id+'.gif)';
	document.getElementById('toon_preview').style.backgroundRepeat='no-repeat';
	document.getElementById('toon_preview').style.backgroundPosition='center center';
	document.getElementById('img_id').value=img_id;
	document.getElementById('adjust_x').value=adjust_x;
	document.getElementById('adjust_y').value=adjust_y;
	document.getElementById('user_button').value=button_value;
	document.getElementById('user_button').style.display='block';
	document.getElementById('user_share_p').style.display='block';
	document.getElementById('user_share_c').checked=(shared==1);
	document.getElementById('user_link').style.display='block';
	document.location.href='#preview_loc';
	return false;
}

function user_delete_figurine(lang,confirm_txt,user_id){
	if(confirm(confirm_txt)){
		var img_id=document.getElementById('img_id').value;
		ajax_send('POST','service.php','action=delete_figurine&lang='+lang+'&user_id='+user_id+'&img_id='+img_id);
	}
	return false;
}

function user_delete_favorite(lang,confirm_txt,img_id,user_id){
	if(confirm(confirm_txt)){
		ajax_send('POST','service.php','action=delete_favorite&lang='+lang+'&img_id='+img_id+'&user_id='+user_id);
	}
	return false;
}

var regexp_email=/^[a-z0-9\-_\.]+@[a-z0-9\-_\.]+$/i;

function egal(valeur, regularExpression) {
	var resultat = valeur.match(regularExpression);
	if(resultat!=null && resultat.length==1) return true;
	else return false;
}

function send_email(lang,email_address,result_id,invite_msg,title_msg,error_msg){
	var is_valid;
	do{
		email_address=jsprompt(invite_msg,title_msg,email_address)
		if(email_address!=null){
			is_valid=egal(email_address,regexp_email);
			if(is_valid){
				ajax_send('POST','service.php','action=send_email&lang='+lang+'&email_address='+email_address+'&result_id='+result_id);
			}else{
				alert(error_msg);
			}
		}
	}while(email_address!=null && !is_valid);
	return false;
}

function send_email2(lang,from_name,from_mail,dest_name,dest_mail,subject,html_content){
	
	var err_msg='';
	if(!egal(from_mail,regexp_email)){
		err_msg+=from_email_invalid_msg+'\n';
	}
	if(!egal(dest_mail,regexp_email)){
		err_msg+=dest_email_invalid_msg+'\n';
	}
	if(err_msg!=''){
		alert(err_msg);
		enable_send_button(true);
		return false;
	}
	ajax_send('POST','service.php','action=send_email2&lang='+lang+'&from_name='+escape(from_name)+'&from_mail='+escape(from_mail)+'&dest_name='+escape(dest_name)+'&dest_mail='+escape(dest_mail)+'&subject='+escape(subject)+'&html_content='+escape(html_content));
	return false;
}

function display_content(sendmail){
	document.getElementById('content_download').style.display=(sendmail ? 'none' : 'block');
	document.getElementById('content_sendmail').style.display=(sendmail ? 'block' : 'none');
	if(sendmail){
		enable_send_button(true);
		document.getElementById('content').focus();
	}
	return false;
}

function enable_send_button(enabled){
	document.getElementById('send_button').disabled=!enabled;
}

function change_code(){
	ajax_send('POST','service.php','action=change_code');
	return false;
}

function jsprompt(sentence,title,defval){
  if(document.all){
    return vbprompt(sentence,title,defval);
  }else{
    return prompt(sentence,defval);
  }
}

function ajax_send(method,url,data){
	
	var xmlhttp=ajax_object();
	if (!xmlhttp){
		return false;
	}
	if(method=="GET"){
		if(data == 'null'){
			xmlhttp.open("GET",url,true);
		}else{
			xmlhttp.open("GET",url+"?"+data,true);
		}
		xmlhttp.send(null);
	}else if(method == "POST"){
		xmlhttp.open("POST",url,true);
		xmlhttp.setRequestHeader('Content-Type','application/x-www-form-urlencoded');
		xmlhttp.send(data);
	}
	return true;
}

function ajax_object(){
	var xmlhttp = false;
	
	/*@cc_on
	@if (@_jscript_version >= 5)
		try{
			xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
		}catch(e){
			try{
				xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
			}catch(E){
				xmlhttp = false;
			}
		}
	@else
	xmlhttp = false;
	@end @*/

	if(!xmlhttp && typeof XMLHttpRequest!='undefined'){
		try{
			xmlhttp=new XMLHttpRequest();
     	}catch(e){
			xmlhttp=false;
     	}
  	}

  	if(xmlhttp){
    	xmlhttp.onreadystatechange=function(){
        	if(xmlhttp.readyState==4){
				if(xmlhttp.status==200) {
           			ajax_response(xmlhttp.responseText);
				}
			}
		}
	}
	return xmlhttp;
}

function ajax_response(d){
	var a=new Array();
	var r=d.split('&');
	var p;
	a['response']=d;
	for(var i in r){
		p=r[i].split('=');
		a[p[0]]=p[1];		
	}
	receive_data(a);
	return false;
}

function receive_data(data){
	//alert(data['response']);
	if(data['action']=='send_email'){
		alert(decodeURIComponent(data['message']));
	}else if(data['action']=='send_email2'){
		display_content(false);
		enable_send_button(true);
		alert(decodeURIComponent(data['message']));
	}else if(data['action']=='change_code'){
		document.getElementById('captcha_id').value=data['captcha_id'];
		document.getElementById('captcha_img').src='inc/captcha.php?captcha_id='+data['captcha_id'];
	}else if(data['action']=='add_figurine'){
		if(data['message']!=''){
			alert(decodeURIComponent(data['message']));
		}else{
			document.getElementById('user_collection').innerHTML=decodeURIComponent(data['user_collection']);
			document.getElementById('user_button').value=decodeURIComponent(data['button_value']);
			document.getElementById('user_link').style.display='block';
		}
	}else if(data['action']=='delete_figurine'){
		document.getElementById('user_collection').innerHTML=decodeURIComponent(data['user_collection']);
		document.getElementById('user_button').value=decodeURIComponent(data['button_value']);
		document.getElementById('user_link').style.display='none';
	}else if(data['action']=='add_signature'){
		if(data['message']!=''){
			alert(decodeURIComponent(data['message']));
		}
	}else if(data['action']=='delete_favorite'){
		document.getElementById('user_favorites').innerHTML=decodeURIComponent(data['user_favorites']);
	}else if(data['action']=='manage_toon_status'){
		if(data['message']!=''){
			alert(decodeURIComponent(data['message']));
		}
	}
}

function addFavorites(){
  if(document.all)
    window.external.AddFavorite('http://www.gif-mania.net/signatures-animees/', 'Gif-mania.net - Tes signatures animées');
  else
    alert('Vous pouvez saisir CTRL+D pour ajouter cette page dans vos signets, ou favoris');
  return false;
}

function makeHomePage(obj){
  if(document.all && document.getElementById){
    obj.style.behavior='url(#default#homepage)';
    obj.setHomePage('http://www.gif-mania.net/signatures-animees/');
  }else{
    alert('Désolé, cette fonction n\'est disponible qu\'avec Internet Explorer 5+');
  }
  return false;
}

function maintenance_alert(){
	alert('Une opération de maintenance est en cours, et ce service est temporairement désactivé. Merci de votre compréhension.');
	return false;
}