var vTheme = 0;
var Pix = new Array();
var howMany = Pix.length;
var timeDelay= 6;// delai en seconde
timeDelay*= 1000;// conversion en ms
var PicCurrentNum= 0;
var PicCurrent = new Image();

var Slide_Folder="images/slide/";
var Slide_Ext=".jpg";

var Mire = new Array();
var howManyMire = Mire.length;
var Mire_Folder = "images/mire_sp/";
var Mire_Ext=".jpg";

function masquepage() {
if (document.getElementById) {  // DOM3 = IE5, NS6
document.getElementById('hidepage').style.visibility = 'hidden';
}
else {
if (document.layers) {  // Netscape 4
document.hidepage.visibility = 'hidden';
}
else {  // IE 4
document.all.hidepage.style.visibility = 'hidden';
      }
   }
}

function initPix(vTheme,index) {
	switch (vTheme) {
	case 0 : 
		Pix = new Array
		("boussole"
		,"atlantique"
		,"bateau"
		,"equipage"
		,"bateau3"
		,"construction"
		,"construction2"
		,"micromegas2"
		,"bateau4"
		,"bateau2"
		,"mutins"
		,"bateau5"
		,"mm2"
		,"surf1"
		,"surf2"
		,"mm3"
		);
		break;
	case 1 : 
		Pix = new Array
		("equipage"
		,"surf1"
		,"surf2"
		,'mm1'
		,"micromegas2"
		,"mm2"
		,"construction"
		,"construction2"
		,"bateau3"
		,"bateau5"
		,"mm3"
		);
		break;
	case 2 : 
		Pix = new Array
		("atlantique"
		,"sansboussole"
		,"bateau3"
		,"bateau5"
		,"equipage"
		,"mm3"
		);
		break;
	case 3 : 
		Pix = new Array
		("bateau"
		,"construction"
		,"construction2"
		,"bateau2"
		,"bateau3"
		,"bateau4"
		,"bateau5"
		,"mm3"
		);
		break;
	default :
		Pix = new Array
		("boussole"
		,"atlantique"
		,"bateau"
		,"equipage"
		,"bateau3"
		,"construction"
		,"construction2"
		,"micromegas2"
		,"bateau4"
		,"bateau2"
		,"mutins"
		,"bateau5"
		,"mm3"
		);
		break;
	}

	howMany = Pix.length;

	ShowPix(index);
	
	//intervalles d'affichage
	setInterval("slideshow()", timeDelay);
} //initPix

function initMire() {
		Mire = new Array
		("expedition"
		,"equipage"
		,"bateau"
		,"traversee"
		);

	howManyMire = Mire.length;

	ShowMire(0);
} //initMire

function ShowPix(index) {
	if ((index < 0) || (index >= howMany)) {
		PicCurrentNum = Math.round((howMany - 1) * Math.random());
	} else {
		PicCurrentNum = index;
	}
	PicCurrent.src = Slide_Folder + Pix[PicCurrentNum] + Slide_Ext;
	document["slide"].src = PicCurrent.src;
} //ShowPix


function ShowMire(index) {
	if ((index < 0) || (index >= howManyMire)) {
		index = 0;
	} 
			
	//alert(Mire_Folder + Mire[index] + "/mire_01" + Mire_Ext);
	
	PicCurrent.src = Mire_Folder + Mire[index] + "/mire_01" + Mire_Ext;
	document["mire_01"].src = PicCurrent.src;
	PicCurrent.src = Mire_Folder + Mire[index] + "/mire_02" + Mire_Ext;
	document["mire_02"].src = PicCurrent.src;
	PicCurrent.src = Mire_Folder + Mire[index] + "/mire_04" + Mire_Ext;
	document["mire_04"].src = PicCurrent.src;
	PicCurrent.src = Mire_Folder + Mire[index] + "/mire_05" + Mire_Ext;
	document["mire_05"].src = PicCurrent.src;
} //ShowMire

function startPix(vTheme,index) {

initPix(vTheme,index);
ShowPix(index);

//intervalles d'affichage
setInterval("slideshow()", timeDelay);
} //startPix


function slideshow() {
PicCurrentNum++;
if (PicCurrentNum == howMany) {
PicCurrentNum = 0;
}

ShowPix(PicCurrentNum);
} //slideshow

function OpenWindow(page,width,height)
{

var options = "menubar=no,scrollbars=no,statusbar=no"
var top=(screen.height-height)/2;
var left=(screen.width-width)/2;

window.open(page,"","top="+top+",left="+left+",width="+width+",height="+height+","+options);
}