// JavaScript Document

$=function(id){
	return document.getElementById(id);
}
function show_div(div_id){
	objDis = $(div_id).style.display;
	var altText="";
	var picName="";
	if (objDis=="" || objDis=="block"){
		$(div_id).style.display = "none";
		altText="展开";
		picName="max";
	}else{
		$(div_id).style.display = "block";
				altText="收缩";
		picName="min";
			}
	$(div_id).parentNode.getElementsByTagName("div")[0].getElementsByTagName("span")[0].innerHTML="<img src=\"images/left_icon_" + picName +".gif\" width=\"12\" height=\"12\" alt=\""+ altText +"\" onclick=\"show_div('"+div_id+"')\" />"
}

function switchTag(tag,content)
{
//	alert(tag);
//	alert(content);
	for(i=1; i <7; i++)
	{
		if ("tag"+i==tag)
		{
			document.getElementById(tag).getElementsByTagName("a")[0].className="b1";
		}else{
			document.getElementById("tag"+i).getElementsByTagName("a")[0].className="";
		}
		if ("content"+i==content)
		{
			document.getElementById(content).className="";
		}else{
			document.getElementById("content"+i).className="hidecontent";
		}
	}
}
var obj = {};
function change (t, o) {
    if (obj[t] == o) return;
    if (obj[t] != o) {
        if (t in obj) {
            obj[t].style.zIndex = 1;
            obj[t].style.backgroundPosition = t == 'info' ? '0 -26px' : '0 -25px';
            obj[t + '_back'].style.visibility = 'hidden';
        }
        obj[t] = o;
        obj[t + '_back'] = $(o.id + '_info');
        obj[t + '_back'].style.visibility = 'visible';
        o.style.backgroundPosition = '0 0';
        o.style.zIndex = 3;
    }
}

window.onload = function () {
	    try {
        for (i = 1; i < 6; i++) {
            $('service_' + i).onmouseover = function () {change ('service', this)};
        }
        obj.service = $('service_1');
        obj.service.style.zIndex = 3;
        obj.service_back = $('service_1_info');

        for (i = 2; i < 7; i++) {
            $('service_' + i + '_info').style.visibility = 'hidden';
        }
    }
    catch (e) {}

}

function addfavorite()
{
   if (document.all)
   {
      window.external.addFavorite('http://www.yw123.cn','中国真实店铺网');
   }
   else if (window.sidebar)
   {
      window.sidebar.addPanel('中国真实店铺网', 'http://www.yw123.cn', "");
   }
}