var fenetres	= new Array();
var onair		= 0;

function openvisu(i){
var offset=0, ycoord=10, xpos=10, wpl=3, winsize = 339, ie4mac=0;
n=arguments.length;
wpl=(screen.width-10)/winsize;
wpl=Math.floor(wpl);

//pour IE4 Mac
if (navigator.platform=="MacPPC" && navigator.appName=="Microsoft Internet Explorer") {
ver=navigator.appVersion;
if (ver.search("MSIE 4")!=-1){
	ycoord+=35;
	ie4mac=35;}
}

if (navigator.appName=="Microsoft Internet Explorer" && navigator.platform=="Win32")
{
	closeall();
	
	for(c = 0; c < n; c++) {
		if(c >= wpl) {
			offset = winsize;
			ycoord = offset + 25 + ie4mac;
		}
		if(arguments[c + 1] == "v") { 
			eval("fenetres[c]=window.open('popup/vide.html','" + i + "v','scrollbars=no,width=320,height=320')");
			fenetres[c].moveTo(10 + c * winsize - (wpl * offset), ycoord);
			fenetres[c].document.location='popup/v.html';
		}
		else {
			eval("fenetres[c]=window.open('popup/" + arguments[c] + ".html','" + c + "','scrollbars=no,width=350,height=350')");
			fenetres[c].moveTo(10 + c * winsize - (wpl * offset), ycoord);
		}
	}
}
else //Netscape ou IE mac
{
if (n<=fenetres.length){
for (c=fenetres.length-1; c>=n; c--){
	preclose(c);
	fenetres[c].close();
	fenetres.length--;}
for (c=0; c<n; c++){
	preclose(c);
	if (arguments[c+1]=="v"){
		eval("fenetres["+c+"].document.location='popup/v.html'");
		fenetres[c].name=i+"v";}
	else eval ("fenetres["+c+"].document.location='popup/"+i+arguments[c+1]+".html'");
	}
} 
else{
for (c=0; c<fenetres.length; c++){
	preclose(c);
	if (arguments[c+1]=="v"){
		eval("fenetres["+c+"].document.location='popup/v.html'");
		fenetres[c].name=i+"v";}
	else eval("fenetres["+c+"].document.location='popup/" + arguments[c] + ".html'");
	}
for (c=fenetres.length; c<n; c++){
	if (c>=wpl){
		offset=winsize;
		ycoord=offset + 25 + ie4mac;}
	if (arguments[c+1]=="v"){ 
		eval("fenetres[c]=window.open('popup/vide.html','"+i+"v','scrollbars=no,width=320,height=320')");
		fenetres[c].moveTo(10+c*winsize-(wpl*offset),ycoord);
		eval("fenetres["+c+"].document.location='popup/v.html'");}
	else {
		eval("fenetres[c]=window.open('popup/" + arguments[c] + ".html','"+c+"','scrollbars=no,width=320,height=320')");
		xpos= 10 + ( c * winsize )  - (wpl * offset);
		fenetres[c].moveTo(xpos,ycoord);
		}
	}
	}
}
}

function closeall(user) {
	if(fenetres.length && !onair) {
		onair = 1;
		for(var i = fenetres.length - 1; i >= 0; i--) {
			if (!user) fenetres[i].window.test="non"; //si on quitte la fenetre maitre
			fenetres[i].close();
			fenetres.length--;
			
		}
		fenetres.length = 0;		
		onair = 0;
	}
}

function preclose(c)
{fenetres[c].window.onunload="";}