var bookPicURL = "http://www.bookan.com.cn/bookcover/"    //图片预览地址前缀
var jpBookNum = 6;   //精品报刊显示数目
var zxBookNum = 12;  //最新报刊显示数目
var tjBookNum = 7;   //读者推荐显示数目
var jdBookNum = 15;  //焦点文章显示数目
var rankBookNum = 10;   //报刊排行显示数目
var sortnum = 4;   //分类中小类的显示数目


var letters="A";
var page=0;
var numPerPg=5;    //分页显示每页的数量



function loadChar()
{
  var inbookxml="";
  inbookxml="xml/char"+letters.toString()+".xml";
  var myAjax = new Ajax.Request(inbookxml,{method: 'get', asynchronous: true,parameters: ' ', onComplete: getTopBlock});
}

function getTopBlock(xxx)
{

  var thisXml = xxx.responseXML;
       
  
  var tmp='<p class="zmjslist"><strong>按字母检索：</strong> <a href="javascript:void(0);" onclick="javascript:changeletter(\'A\');">A</a> <a href="javascript:void(0);" onclick="javascript:changeletter(\'B\');">B</a> <a href="javascript:void(0);" onclick="javascript:changeletter(\'C\');">C</a> <a href="javascript:void(0);" onclick="javascript:changeletter(\'D\');">'
										+'D</a> <a href="javascript:void(0);" onclick="javascript:changeletter(\'E\');">E</a> <a href="javascript:void(0);" onclick="javascript:changeletter(\'F\');">F</a> <a href="javascript:void(0);" onclick="javascript:changeletter(\'G\');">G</a> <a href="javascript:void(0);" onclick="javascript:changeletter(\'H\');">H</a> '
									+'<a href="javascript:void(0);" onclick="javascript:changeletter(\'I\');">I</a> <a href="javascript:void(0);" onclick="javascript:changeletter(\'J\');">J</a> <a href="javascript:void(0);" onclick="javascript:changeletter(\'K\');">K</a> <a href="javascript:void(0);" onclick="javascript:changeletter(\'L\');">L</a> <a href="javascript:void(0);" onclick="javascript:changeletter(\'M\');">'
										+'M</a> <a href="javascript:void(0);" onclick="javascript:changeletter(\'N\');">N</a> <a href="javascript:void(0);" onclick="javascript:changeletter(\'O\');">O</a> <a href="javascript:void(0);" onclick="javascript:changeletter(\'P\');">P</a> <a href="javascript:void(0);" onclick="javascript:changeletter(\'Q\');">Q</a> '
									+'<a href="javascript:void(0);" onclick="javascript:changeletter(\'R\');">R</a> <a href="javascript:void(0);" onclick="javascript:changeletter(\'S\');">S</a> <a href="javascript:void(0);" onclick="javascript:changeletter(\'T\');">T</a> <a href="javascript:void(0);" onclick="javascript:changeletter(\'U\');">U</a> <a href="javascript:void(0);" onclick="javascript:changeletter(\'V\');">'
										+'V</a> <a href="javascript:void(0);" onclick="javascript:changeletter(\'W\');">W</a> <a href="javascript:void(0);" onclick="javascript:changeletter(\'X\');">X</a> <a href="javascript:void(0);" onclick="javascript:changeletter(\'Y\');">Y</a> <a href="javascript:void(0);" onclick="javascript:changeletter(\'Z\');">Z</a> '
								+'</p><span class="zmjsbt">'+letters.toString()+'</span>';

  var rows=thisXml.selectNodes('//zmfl/list');
  
  var totalpage=1;
  totalpage=(rows.length-1-((rows.length-1)%numPerPg))/numPerPg;
  								
  tmp+='<p class="zmsxfykj"><span class="zmjsjg">共找到<b>'+rows.length.toString()+'本</b>报刊</span> <span class="zmfykjtop">第'+(page+1).toString()+'页/共'+(totalpage+1).toString()+'页 <a href="javascript:void(0);" onclick="javascript:changepage(0);">首页</a>';
  if(page==0)
	 tmp+='<a href="javascript:void(0);">上一页</a>';
  else
	tmp+='<a href="javascript:void(0);" onclick="javascript:changepage('+(page-1).toString()+');">上一页</a>';
  if(page==totalpage)
    tmp+='<a href="javascript:void(0);">下一页</a>';
  else
    tmp+='<a href="javascript:void(0);" onclick="javascript:changepage('+(page+1).toString()+');">下一页</a>';
  tmp+='<a href="javascript:void(0);" onclick="javascript:changepage('+totalpage.toString()+');">尾页</a></span></p>';
     
  if(rows.length>0)
  {
  for(i=page*numPerPg;i<rows.length&&i<(page+1)*numPerPg;i++)
	{	
	//alert(rows.length);
		//tmp+='<li><span><a href="book_intro.aspx?listid=' + elementAttrib(rows[i],'listid') + '"><img src="'+ bookPicURL +elementAttrib(rows[i],'imgurl')+'ff.jpg" title="' + elementAttrib(rows[i],'bkmc') + '" alt="' + elementAttrib(rows[i],'bkmc') + '" border="0"></a></span><a href="book_intro.aspx?listid=' + elementAttrib(rows[i],'listid') + '">' + elementAttrib(rows[i],'bkmc') + '</a></li>';
        tmp+='<div class="zmjsjgkj"><p class="zmjsfmtp"><a href="book_intro.aspx?listid=' + elementAttrib(rows[i],'listid') + '"><img src="'+bookPicURL+elementAttrib(rows[i],'img')+'ff.jpg" alt="'+elementAttrib(rows[i],'bkmc')+'" title="'+elementAttrib(rows[i],'bkmc')+'" border="0"></a></p><ul class="bknrlist">'
										+'<li>报刊名称：《'+elementAttrib(rows[i],'bkmc')+'》</li>'
										+'<li>刊期：'+elementAttrib(rows[i],'kq')+'刊</li>'
										+'<li>邮发代号：'+elementAttrib(rows[i],'yfdh')+'</li>'
										+'<li>国际刊号：'+elementAttrib(rows[i],'issn')+'</li>'
										+'<li>统一刊号：'+elementAttrib(rows[i],'cn')
											+'<p class="zxydkj"><a href="javascript:void(0)" onclick="javascript:openMBook(\''+elementAttrib(rows[i],'bkpzid')+'\',\'0\');"><img src="image/zxyd-1.gif" alt="多媒体版" title="多媒体版" border="0"></a></p>'
											+'<p class="zxydkj"><a href="javascript:void(0)" onclick="javascript:openMBook(\''+elementAttrib(rows[i],'bkpzid')+'\',\'0\');"><img src="image/zxyd-2.gif" alt="电子版" title="电子版" border="0"></a></p></li></ul><div class="bqmlkj"><p>文章标题</p><ul class="dmtml-nr">';
										
		
		var bkmlist="";
		bkmlist=elementAttrib(rows[i],'bt').toString();
		var ym="";
		var wzbt="";
		//alert(blmlist.substring(0,2));
		var str = bkmlist.split('╋');

		for(var j=0;j<str.length-1;j++)
		{
			if(str[j].split('┃').length==2) 
			{
			var strlist = str[j].split('┃');
			tmp+='<li><img src="image/tb-3.gif" border="0"><span><a href="javascript:void(0);" onclick="javascript:openBook(\''+elementAttrib(rows[i],'bkpzid')+'\',\''+strlist[0]+'\');">'+strlist[1]+'   [P'+strlist[0]+']</a></span></li>';
			}
		}
		tmp+='</ul></div>';
		
	}//end for
  tmp=tmp+'</div>'; 
  }  //end if
  tmp+='<div class="bottomfykj">第'+(page+1).toString()+'页/共'+(totalpage+1).toString()+'页 <a href="javascript:void(0);" onclick="javascript:changepage(0);">首页</a>';
  if(page==0)
	tmp+='<a href="javascript:void(0);">上一页</a>';
  else
	tmp+='<a href="javascript:void(0);" onclick="javascript:changepage('+(page-1).toString()+');">上一页</a>';
  if(page==totalpage)
    tmp+='<a href="javascript:void(0);">下一页</a>'; 
  else
     tmp+='<a href="javascript:void(0);" onclick="javascript:changepage('+(page+1).toString()+');">下一页</a>';
  tmp+='<a href="javascript:void(0);" onclick="javascript:changepage('+totalpage.toString()+');">尾页</a></div>';
  //alert(tmp);
//      $('jptj').innerHTML="";
  $('myTab2_Content1').innerHTML=tmp;
  
};


function changepage(numofpage)
{
	page=numofpage;
	//alert("页数已修改为"+page.toString());
    loadChar();
}

function changeletter(charofpage)
{
	page=0;
	letters=charofpage;
	//alert("字母已修改为"+letters.toString());
	loadChar();
}

/*function getMenuStr (type,mlstr)
		{
			var ret="";
			if(type==0)//多媒体版
			{
				//ret="<ul class=\"dmtml-nr\">";
				var mllist =mlstr[0].Split('╋');
				for(int i=0;i<mllist.length-1;i++)
				{
					if(mllist[i].Split('┃').Length==2)
						ret+="<li><span><img src=\"image/tb-3.gif\" border=\"0\"><a href=\"javascript:void(0)\" onclick=\"javascript:openMBook('','"+mllist[i].Split('┃')[0]+"')\">"+mllist[i].Split('┃')[1]+" [P"+mllist[i].Split('┃')[0]+"]</a></span></li>";
				}
				//ret+="</ul>"
				
			}
			return ret;
		}*/