function foldorunfold(ima)
{
    var grandfather = ima.parentNode.parentNode.parentNode;
    var p = grandfather.getElementsByTagName("ul").item(0);

    if(p.className == "unfold"){
        p.className = "fold";
        var header=grandfather.getElementsByTagName("div").item(0);
        header.style.background="url(images/left_box_3_header_fold.JPG) left top no-repeat";
        
    }
    else{
        p.className = "unfold";
        var header=grandfather.getElementsByTagName("div").item(0);
        header.style.background="url(images/left_box_3_header_unfold.JPG) left top no-repeat";
    }
}

$(document).ready(function() {
	$('#main_nav').allenMenu();
	$('#slide').allenSlide();
});