var path;
var cImg;
var fade_delay=1000;
var art_delay=10000;

function Init(){
    cImg=0;
    selImg=1;
    LoadImage();
    if(nArt>8){
        setInterval("LoadImage()",art_delay);
    }
    else{
        LoadImage();
    }    
}

function LoadImage(){
    for(sImg=1;sImg<9;sImg++){
        tImg="panArticolo"+sImg+"_ImgProdotto";
        tArt="panArticolo"+sImg+"_artInfo";
        cArt="panArticolo"+sImg+"_imgCart";
        dArt="panArticolo"+sImg+"_imgInfo";
        sArt="panArticolo"+sImg+"_artDescription";
        changeOpac(0,tImg);
        document.getElementById(tImg).setAttribute("src",itmArtImg[cImg]);  
        document.getElementById(tImg).setAttribute("alt",itmCode[cImg]);  
        document.getElementById(tImg).setAttribute("title",itmArtDesc[cImg]);  
        opacity(tImg,0,100);
        document.getElementById(sArt).value=itmArtShortDesc[cImg];  
        document.getElementById(tArt).value=itmArtText[cImg];  
        document.getElementById(cArt).setAttribute("alt",itmCode[cImg]);  
        document.getElementById(dArt).setAttribute("alt",itmCode[cImg]);  
        cImg++;
        if (cImg>(nArt-1)){
            cImg=0;
        }  
    }
}

function opacity(id, opacStart, opacEnd){
    var speed = Math.round(fade_delay / 100);
    var timer = 0;

    if(opacStart > opacEnd) {
        for(i = opacStart; i >= opacEnd; i--) {
            setTimeout("changeOpac(" + i + ",'" + id + "')",(timer * speed));
            timer++;
        }
    } else if(opacStart < opacEnd) {
        for(i = opacStart; i <= opacEnd; i++)
            {
            setTimeout("changeOpac(" + i + ",'" + id + "')",(timer * speed));
            timer++;
        }
    }
}

function changeOpac(opacity, id){
    var object = document.getElementById(id).style;
    object.opacity = (opacity / 100);
    object.MozOpacity = (opacity / 100);
    object.KhtmlOpacity = (opacity / 100);
    object.filter = "alpha(opacity=" + opacity + ")";
}

function ApriArticoli(ID){
    ly=document.getElementById(ID).offsetHeight;
    if (ly==0){
        document.getElementById(ID).style.height="auto";    
    }
    else{
        document.getElementById(ID).style.height="0px";    
    }
}