var opacnt1=25;
var opacnt2=10;
var timer=1; 

function FadeInstr(gazouId,box) {
	
	boxMenu = document.getElementById(box).style;	
	if (boxMenu.display == 'block') {
		document.getElementById(gazouId).style.filter = "alpha(opacity:100)";
		document.getElementById(gazouId).style.opacity = 100/100;
		}
	else{ 
	FadeIn1(gazouId,50);}
	}

function FadeIn1(gazouId,opa) {
if (opa <= 100) {
document.getElementById(gazouId).style.filter = "alpha(opacity:"+opa+")";
document.getElementById(gazouId).style.opacity = opa/100; 
opa += opacnt1;
setTimeout("FadeIn1('"+gazouId+"',"+opa+")", timer);
}
}

function FadeOutstr(gazouId,box) {

	boxMenu = document.getElementById(box).style;	
	if (boxMenu.display == 'block') {
		document.getElementById(gazouId).style.filter = "alpha(opacity:100)";
		document.getElementById(gazouId).style.opacity = 100/100;
	}
	else{ 
	FadeOut1(gazouId,100);
	}
}

function FadeOut1(gazouId,opa) {
if (opa >= 50) {
document.getElementById(gazouId).style.filter = "alpha(opacity:"+opa+")";
document.getElementById(gazouId).style.opacity = opa/100;
opa -= opacnt2;
setTimeout("FadeOut1('"+gazouId+"',"+opa+")",timer);
}
}

function exMenu(tName) {

	if (0 > tName.indexOf("_s_", 0)) {
		allOff();
	}
	ttMenu = document.getElementById(tName).style;
	if (ttMenu.display == 'none') {

		ttMenu.display = "block";

	}else{
		ttMenu.display = "none";
	}
}

function allOff() {

tMenu = document.getElementById("treeMenu_a").style;
tMenu.display = "none";

tMenu = document.getElementById("treeMenu_ka").style;
tMenu.display = "none";

tMenu = document.getElementById("treeMenu_sa").style;
tMenu.display = "none";

tMenu = document.getElementById("treeMenu_ta").style;
tMenu.display = "none";

tMenu = document.getElementById("treeMenu_na").style;
tMenu.display = "none";

}

var IE = (document.documentElement.getAttribute("style") == document.documentElement.style);
var photo = new Array();

	for(i=0;i < 9;i++){
		photo[i] = 'img/' + i + '.jpg';
	}

window.onload = init;

function init() {
	for(i=0;i<5;i++){
		photoNum = parseInt(Math.random() * photo.length);
		document.getElementById("menu"+i).style.cssText = "background-image:url(" + photo[photoNum] +");";
		document.getElementById("open"+i).style.cssText = "background-image:url(" + photo[photoNum] +");";
		photo.splice(photoNum,1);
	}
}