// JavaScript Document
function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function changeImagesArray(array) {
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<array.length; i+=2) {
			document[array[i]].src = array[i+1];
		}
	}
}

function changeImages() {
	changeImagesArray(changeImages.arguments);
}

function toggleImages() {
	for (var i=0; i<toggleImages.arguments.length; i+=2) {
		if (selected == toggleImages.arguments[i])      changeImagesArray(toggleImages.arguments[i+1]);
	}
}

var selected = '';
var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		accueil_sel = newImage("pix/menu/accueil-sel.gif");
		accueil_over = newImage("pix/menu/accueil-over.gif");
		accueil_down = newImage("pix/menu/accueil-down.gif");
		info_over = newImage("pix/menu/info-over.gif");
		info_down = newImage("pix/menu/info-down.gif");
		info_sel = newImage("pix/menu/info-sel.gif");
		exposants_over = newImage("pix/menu/exposants-over.gif");
		exposants_down = newImage("pix/menu/exposants-down.gif");
		exposants_sel = newImage("pix/menu/exposants-sel.gif");
		conference_over = newImage("pix/menu/conference-over.gif");
		conference_down = newImage("pix/menu/conference-down.gif");
		conference_sel = newImage("pix/menu/conference-sel.gif");
		contact_over = newImage("pix/menu/contact-over.gif");
		contact_down = newImage("pix/menu/contact-down.gif");
		contact_sel = newImage("pix/menu/contact-sel.gif");
		preloadFlag = true;
	}
}

function preloadImagesIndex() {
	if (document.images) {
		index_03_over = newImage("pix/index/index_03-over.gif");
		index_03_down = newImage("pix/index/index_03-down.gif");
		index_05_over = newImage("pix/index/index_05-over.gif");
		index_05_down = newImage("pix/index/index_05-down.gif");
		preloadFlag = true;
	}
}

function preloadImagesMap() {
	if (document.images)  {
		plan_autoroutier_over = newImage("pix/infos/plan_autoroutier-over.jpg");
		plan_autoroutier_down = newImage("pix/infos/plan_autoroutier-down.jpg");
		plan_acces_over = newImage("pix/infos/plan_acces-over.jpg");
		plan_acces_down = newImage("pix/infos/plan_acces-down.jpg");
		preloadFlag = true;
	}
}

function preloadImagesBoth() {
	if (document.images)  {
		exposant = newImage("pix/both/exposant.gif");
		exposant_over = newImage("pix/both/exposant-over.gif");
		exposant_down = newImage("pix/both/exposant-down.gif");
		visiteur = newImage("pix/both/visiteur.gif");
		visiteur_over = newImage("pix/both/visiteur-over.gif");
		visiteur_down = newImage("pix/both/visiteur-down.gif");
		preloadFlag = true;
	}
}

function efiche (file) {
    window.open(file, "Efiche", "toolbar=no,width=774,height=600,scrollbars=yes,resizable=yes");
}

function popup (file,width,height) {
    window.open(file, "PopUp", "toolbar=no,width="+width+",height="+height+",scrollbars=yes,resizable=no");
}

function popimage (file,width,height) {
    window.open("popimage.php?f="+file, file, "toolbar=no,width="+width+",height="+height+",scrollbars=yes,resizable=yes");
}

/*function hide (div){
    if (document.getElementById) {
		var el = document.getElementById(div);
		var display=el.style.display;
		el.style.display=(display=='none')?'':'none';
		return true;
    }
    return false;
}

function popup (file){
    window.open(file, "PopUp", "toolbar=no,width=450,height=300");
}

// gestion d'un formulaire
function confirm_delete_image ()
{
    var frm=document.forms["frm_di"];
    if(frm)
    {
        if(!frm["ci"].checked)
        {
            alert ("Vous n'avez pas validé votre action en cochant Effacer cette image");
            return false;
        }
    }
    
    return confirm("Effacer cette image ?");
}

function confirm_newsletter ()
{
    var frm=document.forms["frm_newsletter"];
    if(frm)
    {
        if(eval(frm["email"].value.length) == 0 )
        {
            alert ("Vous devez préciser votre adresse électronique");
            return false;
        }
            
        return confirm("Vous confirmez votre adresse : "+frm["email"].value+"  ?");
    }
    
}
*/