function MM_openBrWindow(theURL,winName,features) {
  window.open(theURL,winName,features);
}

function Check(){
	f =document.env_dessin ;
	if (f.nom.value.length == 0 ){
		alert("Tu dois indiquer ton nom !")
		f.nom.focus();
		return false;
	}
	if (f.prenom.value.length == 0 ){
		alert("Tu dois indiquer ton prenom !")
		f.prenom.focus();
		return false;
	}
	if (f.age.value.length == 0 ){
		alert("Tu dois indiquer ton age !")
		f.age.focus();
		return false;
	} 
	if (f.mail.value.length == 0 ){
		alert("N'oublie pas ton adresse email !")
		f.mail.focus();
		return false;
	} 
	if (f.fichier.value.length == 0 ){
		alert("Et ton dessin ?")
		f.fichier.focus();
		return false;
	}
	if (!Verifestension(".png",f.fichier.value) && !Verifestension(".bmp",f.fichier.value) && !Verifestension(".doc",f.fichier.value) && !Verifestension(".pdf",f.fichier.value) && !Verifestension(".tif",f.fichier.value)    && !Verifestension(".tiff",f.fichier.value) && !Verifestension(".gif",f.fichier.value) && !Verifestension(".jpg",f.fichier.value)  ){
		alert("Ton dessin doit etre une image")
		f.fichier.focus();
		return false;
	} 
	 
	 
	return true;
	

}


function Verifestension(ext_verif, chaine) {
//(!Verifestension(".gif", document.forms['FormProduitPhoto'].photo.value) 
// vérifie l'extension du fichier à importer
 	position_point = chaine.lastIndexOf(".");
 	extension_fich = chaine.substring(position_point, chaine.length  );
 	if (extension_fich != ext_verif){
 		return false;
 	}else{
 		return true;
 	}
 	return false;

}


Mooquee = new Class({
	Implements: [Options],

	options: {
		element: 'mooquee',
		cssitem: 'mooquee_item',
		firstitem:0,
		direction:'up', //up down left or right
		pause: 1, //seconds (keep pause equal or higher to duration to allow time for items to reset)
		duration: 1, //number of seconds to move marquee items
		overflow:'hidden', //if your item flows over how do you want to handle it. Auto(scroll) or Hidden work best...
		startOnLoad:true 
	},
	initialize: function(options){
		this.setOptions(options);
		this.itemFXs = [];
		this.started = false;
		this.currentitem = this.options.firstitem;
		this.loop = true;
		
		window.addEvent('domready', function() {
			//get all mooqueeItems
			this.items = $$('#' + this.options.element + ' .' + this.options.cssitem);
			this.totalitems = this.items.length;
			if($(this.options.element).style.overflow != 'hidden')
				$(this.options.element).style.overflow = 'hidden';
			if($(this.options.element).style.position != 'relative')
				$(this.options.element).style.position = 'relative';

			this.setMooqueeFXs();
			this.setDirection(this.options.direction);// has setMooqueeItems in it

			if(this.options.startOnLoad)
				this.mooveAll.delay(this.options.pause*1000 ,this);
		}.bind(this));
		
		
	},
	setMooqueeItems: function(){
		this.resetting =true;
		var i=0;
		
		this.items.each(function (element){
			if($(element).style.position != 'absolute')
				$(element).style.position = 'absolute';
			$(element).style.width = $(this.options.element).clientWidth + 'px';
			$(element).style.overflow = this.options.overflow;
			
			if(i == this.currentitem)
				startingposition =0;
			else
				startingposition = this.pixels;
			
			this.itemFXs[i].set(this.style,startingposition);
			this.itemFXs[i].set(this.antistyle,0);
			i++;
		}.bind(this));
		this.resetting =false;
	},
	setMooqueeFXs: function(){
		var i=0;
		this.items.each(function (element){
			this.itemFXs[i] = new Fx.Tween(element,{duration:(this.options.duration*1000)});
			i++;
		}.bind(this));
	},
	mooveAll: function(){

		this.previousitem = this.currentitem;
		
		if((this.currentitem + 1) == this.totalitems)
			this.currentitem = 0;
		else
			this.currentitem = this.currentitem + 1;
			
		this.moove(this.previousitem)
		this.moove(this.currentitem);

	},
	moove: function(itemnumber){
		if(itemnumber == this.previousitem)
			this.itemFXs[itemnumber].start(this.style,this.antipixels).chain(function(){
				if(!this.resetting)this.itemFXs[itemnumber].set(this.style,this.pixels);
			}.bind(this));
		else
			this.itemFXs[itemnumber].start(this.style,0).chain(function(){
				if(this.loop == true)
					this.loopTimer = this.mooveAll.delay(this.options.pause*1000 ,this);
			}.bind(this));
		
	},
	setDirection: function(newDirection){
		switch(newDirection){
				case 'up':
					this.style = 'top';
					this.antistyle = 'left'
					this.pixels = $(this.options.element).clientHeight;
					this.antipixels = this.pixels * -1;
				break;
				case 'down':
					this.style = 'top';
					this.antistyle = 'left';
					this.antipixels = $(this.options.element).clientHeight;
					this.pixels = this.antipixels * -1;
				break;
				case 'left':
					this.style = 'left';
					this.antistyle = 'top';
					this.pixels = $(this.options.element).clientWidth;
					this.antipixels = this.pixels * -1;
				break;
				case 'right':
					this.style = 'left';
					this.antistyle = 'top';
					this.antipixels = $(this.options.element).clientWidth;
					this.pixels = this.antipixels * -1;
				break;						
		}
		this.setMooqueeItems();
	}
});