function Func1()
{
    var sleep='';
}

function sleep(sec)
{
    setTimeout("Func1()",3000);
}

function changeGif(obj){

    if(	obj.src.match('thumbup_g.gif')){

    }else if(obj.src.match('thumbup_f.gif')){
        obj.style.cursor = "pointer";
        obj.src='/magisgift/images/thumbup2.gif';										
    }else{
        obj.style.cursor = "pointer";
        obj.src= '/magisgift/images/thumbup_f.gif';
    }

}