var diap_timer='';
var diap_img_en_cours='';
var opacity=0;
var diap_precedente='diap_tabimg[1]';
var diap_nb_images=1;
var diap_cpt_defilement=2;
var detect = navigator.userAgent.toLowerCase();

function checkIt(string)
{
	return detect.indexOf(string)!=-1;
}

function diap_initialisation(diap_param)
{
	diap_img_en_cours=document.getElementById('diap_img_affichee');
	diap_nb_images=diap_param;
	var diap_i=1;
	var diap_ele='';
	while(diap_i <= diap_nb_images)
	{
		diap_ele=document.getElementById('diap_tabimg['+diap_i+']');
		diap_ele.onmouseover=function(){diap_survol(this.id);};
		diap_ele.onmouseout=function(){diap_finsurvol(this.id);};
		diap_i++;
	}
	window.setTimeout('diap_alpha();','2000');
}

function diap_defilement(){
	document.getElementById(diap_precedente).className='';
	if(diap_cpt_defilement>diap_nb_images){diap_cpt_defilement=1;}
	diap_precedente='diap_tabimg['+diap_cpt_defilement+']';
	document.getElementById('diap_tabimg['+diap_cpt_defilement+']').className='survol';
	diap_img_en_cours.src=document.getElementById('diap_tabimg['+diap_cpt_defilement+']').src;
	window.setTimeout('diap_alpha();','2000');
}

function diap_alpha(){
	if(opacity < 100){
		if(opacity==0){
			diap_img_en_cours.src=document.getElementById('diap_tabimg['+diap_cpt_defilement+']').src;
		}
		if(opacity==99){
			document.getElementById('diap_photo').style.backgroundImage='url('+document.getElementById('diap_tabimg['+diap_cpt_defilement+']').src+')';
		}
		diap_img_en_cours.style.opacity = (opacity / 100);
		diap_img_en_cours.style.MozOpacity = (opacity / 100);
		diap_img_en_cours.style.KhtmlOpacity = (opacity / 100);
		diap_img_en_cours.style.filter ="alpha(opacity=" + opacity + ")";
		opacity++;
		window.setTimeout('diap_alpha();','2');
	}
	else{
		diap_cpt_defilement++;
		if(diap_cpt_defilement>diap_nb_images){diap_cpt_defilement=1;}
		opacity=0;
		window.setTimeout('diap_alpha();','800');
	}
}

function gotoform()
{
	document.getElementById('txt_message').focus();
}

function affich(num)
{
	document.getElementById('liste_livre_a'+num).style.visibility='visible';
}

function masqu(num)
{
	document.getElementById('liste_livre_a'+num).style.visibility='hidden';
}

function remplir(i,msg)
{
	i.value=msg;
}

function affich_photo(num)
{
	document.getElementById('photo').src='images/hebergement/photos/'+num+'.png';	
}

function surclic(objet,v,e)
{
	var nv_g_1=0;
	var nv_h_1=0;
	var obj=objet;
	var x;
	var y;
	var evtobj = window.event? event : e ;
	
	if (checkIt('safari'))
	{
		x = evtobj.clientX;
		y = evtobj.clientY;
	}	
	else
	{
		x = evtobj.clientX + (document.body.scrollLeft || document.documentElement.scrollLeft || 0);
		y = evtobj.clientY + (document.body.scrollTop  || document.documentElement.scrollTop  || 0);
	}
	
	while (obj!=null)
	{
		nv_g_1+=obj.offsetLeft-obj.scrollLeft;
		nv_h_1+=obj.offsetTop-obj.scrollTop;
		obj=obj.offsetParent;
	}
	
	document.getElementById('txt_symbole').value=choix_symbole;
	document.getElementById('txt_y').value=y-nv_h_1-7;
	document.getElementById('txt_x').value=x-nv_g_1-7;
	document.getElementById('txt_numh').value=v;
	document.getElementById('boite_dialogue').style.display='block';
	document.getElementById('txtarea_desc').focus();
}

var hauteur_fen;
var hauteur_page;
var min_hauteur_ctn;