var slider_list = document.getElementsByName("slide");
var splited;
var tosplit;
var tabImg = new Array(slider_list.length);
var imaStatus = new Array(slider_list.length);
var nrank;
var fadingImaTab = new Array(slider_list.length);
var main_ima;
var way;
var rand_num;


function view_init(dir,rank){

document.getElementById(dir).src = tabImg[rank][0].src;

}

function change_image(dir,rank,way){

//main_ima = tabImg[rank][imaStatus[rank]];
if (fadingImaTab[rank] > 30 && way == "down"){
fadingImaTab[rank] = fadingImaTab[rank] - 10;
document.getElementById(dir).style.filter = "alpha(opacity=" + fadingImaTab[rank] + ")";
document.getElementById(dir).style.MozOpacity = fadingImaTab[rank]/100;
setTimeout("change_image('"+dir+"','"+rank+"','down')",70);
return 0;
} 

if (fadingImaTab[rank] == 30){
way = 'up';
splited = dir.split("_");
imaStatus[rank]++;
if (imaStatus[rank] == splited[1]){
imaStatus[rank] = 0;
}
document.getElementById(dir).src = tabImg[rank][imaStatus[rank]].src;
rand_num = Math.floor(Math.random()*3000);
setTimeout("change_image('"+dir+"','"+rank+"','down')",4000+rand_num);

}

if (fadingImaTab[rank] < 100 && way == "up"){
fadingImaTab[rank] = fadingImaTab[rank] + 10;
document.getElementById(dir).style.filter = "alpha(opacity=" + fadingImaTab[rank] + ")";
document.getElementById(dir).style.MozOpacity = fadingImaTab[rank]/100;
setTimeout("change_image('"+dir+"','"+rank+"','up')",70);
return 0;
} 


}



function init_ima(){

for (var a = 0 ; a < slider_list.length ;a++){
imaStatus[a] = 0;
tosplit = slider_list[a].id;
splited = tosplit.split("_");

directory = splited[0];
nb_ima = splited[1];

tabImg[a] = new Array(nb_ima);

for (var b = 0; b < nb_ima; b++){
tabImg[a][b] = new Image();
tabImg[a][b].src = "img/"+directory+"/"+(b+1)+".JPG";

}


view_init(tosplit,a);
fadingImaTab[a] = 100;
rand_num = Math.floor(Math.random()*3000);
setTimeout("change_image('"+tosplit+"','"+a+"','down')",4000+rand_num);
}

}