function makeJumpToTopLink(id) {
    try {
    document.writeln([
'<div class="' + id + '">',
'<a class="' + id + '-anchor" href="#" onclick="scroll(\'logo\'); return false;">',
'ページのトップに戻る',
'</a>',
'</div>'
    ].join("\n"));
    //Event.observe($(id + '-anchor'), 'click', jumpToTop);
    } catch(e) {
        alert(e);
    }
}

var delta = 0;
function scroll(id) {
    var s = window.pageYOffset || document.documentElement.scrollTop;
    var t = $(id).offsetTop;
    delta = t - s;
    step();
}

function step() {
    var d = Math.floor(delta * 0.1);
    window.scrollBy(0, d);
    if (Math.abs(delta -= d) > 1) {
        setTimeout(step, 20);
    }
}

var staticUrl = '';
function getHTML(targetId, path)
{
	var url = staticUrl + path;
	
	var myAjax = new Ajax.Updater(
		targetId, 
		url, 
		{
			method: 'get'
		}
    );
}