function setTab(/*string*/name,/*int*/ itemCnt,/*int*/ curItem, /**/classHide, /**/classShow)
{
	for(i=1;i<=itemCnt;i++)
	{
		eval("document.getElementById('tab_" + name + "_" + i + "').className='" + classHide + "'");
	} 
	eval("document.getElementById('tab_" + name + "_" + curItem + "').className='" + classShow + "'");
 
	for(i=1;i<=itemCnt;i++)
	{
	    eval("ele_hide = document.getElementById('con_" + name + "_" + i +"')");
	    if(ele_hide) ele_hide.style.display = "none";
	}
	eval("ele_play = document.getElementById('con_" + name + "_" + curItem + "')");
	if (ele_play) ele_play.style.display = "block";
}

function writeHomeAd() {
	var total = 5;
	var adstr = "书飞网会员亲子体验疯狂科学活动";
    var adlink = "/media/booksflyrealstore3.jsp";
    var adtarget = "_blank";
    var todate = new Date();
    var limdate = new Date();
    limdate.setFullYear(2010, 05, 06);//2010年6月2号0点
    limdate.setHours(0, 0, 0, 0);
    if (todate.getTime() > limdate.getTime()) {
        total = 4;
    }
	document.write("            <div class=\"banner\" id=\"banner\">");
	document.write("              <div class=\"banner_tab clearfix\">");
	document.write("                  <ul>");
	document.write("                      <li id=\"tab_tophome_1\" ><a onmouseover=\"startIndex=1;setTab('tophome',"+total+",1,'out','on');\"><img src=\"homeadver/homebanner01.png\" border=\"0\" /></a></li>");
	document.write("                      <li id=\"tab_tophome_2\" ><a onmouseover=\"startIndex=2;setTab('tophome',"+total+",2,'out','on');\"><img src=\"homeadver/homebanner02.png\" border=\"0\" /></a></li>");
	document.write("                      <li id=\"tab_tophome_3\" ><a onmouseover=\"startIndex=3;setTab('tophome',"+total+",3,'out','on');\"><img src=\"homeadver/homebanner03.png\" border=\"0\" /></a></li>");
	document.write("                      <li id=\"tab_tophome_4\" ><a onmouseover=\"startIndex=4;setTab('tophome',"+total+",4,'out','on');\"><img src=\"homeadver/homebanner04.png\" border=\"0\" /></a></li>");
	if (total > 4) {
		document.write("                      <li id=\"tab_tophome_5\" ><a onmouseover=\"startIndex=5;setTab('tophome',"+total+","+total+",'out','on');\"><img src=\"homeadver/homebanner05.png\" border=\"0\" /></a></li>");
	}
	document.write("                  </ul>");
	document.write("              </div>");
	document.write("              <div>");
	document.write("                <div id=\"con_tophome_1\"><a href=\"/library\"><img src=\"homeadver/01.jpg\" alt=\"享受阅读\" border=\"0\"/></a></div>");
	document.write("                <div id=\"con_tophome_2\"  class=\"hidecontent\"><a href=\"/service\" target=\"_blank\"><img src=\"homeadver/02.jpg\" alt=\"为什么用书飞网\" border=\"0\" /></a></div>");
	document.write("                <div id=\"con_tophome_3\"  class=\"hidecontent\"><a href=\"/service\"><img src=\"homeadver/03.jpg\" alt=\"怎么用书飞网\" border=\"0\" /></a></div>");
	document.write("                <div id=\"con_tophome_4\"  class=\"hidecontent\"><a href=\"/help\"><img src=\"homeadver/04.jpg\" alt=\"会员计划\" border=\"0\" /></a></div>");
	if (total > 4) {
		document.write("                <div id=\"con_tophome_5\"  class=\"hidecontent\"><a href=\""+adlink+"\" target=\""+adtarget+"\"><img src=\"homeadver/05.jpg\" alt=\""+adstr+"\" border=\"0\" /></a></div>");
	}
	document.write("              </div>");
	document.write("            </div>");
}