function freturn(){
}

function reveal(item){
    e=document.getElementById(item);
    e.style.display='block';
    return;
}

function hide(item){
    e=document.getElementById(item);
    e.style.display='none';
    return;
}

function divLeft(ele){
    alert(document.getElementById(ele).scrollLeft);
    document.getElementById(ele).scrollLeft = 100;
    alert(document.getElementById(ele).scrollLeft);
}

function divRight(ele){
    alert(document.getElementById(ele).scrollLeft);
    document.getElementById(ele).scrollLeft = 100;
    alert(document.getElementById(ele).scrollLeft);
}

function change_but(ele,mode){
    if(mode=="hover"){
        document.getElementById(ele).style.backgroundImage = "url(images/but_main_hover.gif)";
    } else {
        document.getElementById(ele).style.backgroundImage = "url(images/but_main.gif)";
    }
}