function initFade(elem_id, bool)
    {
	    for (var i=4,j=10;i<11;i++,j--)
		    setTimeout('setOpacity("'+elem_id+'",'+(bool?i:j)+')',(bool?30:50)*i);
		    //setTimeout('setOpacity("postImg1",'+i+')',100*i);
	    return false;
    }
    function setOpacity(obj, value)
    {
	    document.getElementById(obj).style.opacity = value/10;
	    document.getElementById(obj).style.filter = 'alpha(opacity=' + value*10 + ')';
    }