var PageSize	= 5000;	//每页显示字数
var startpage	= 1;	//默认页
var flag		= 2;	//1:根据字数自动分页 2:根据[NextPage]分页
var TopShowStyle= 1;	//导航显示样式 0:常规 1:直接 2:下拉菜单样式

var pagebreak_start = '<div style="page-break-after: always"><span style="display: none">&nbsp;';	//分隔符
var pagebreak_end	= '</span></div>';
var break_lenth		= '72';	//分隔符长度

var currentSet,CutFlag,TotalByte,PageCount,key,tempText,tempPage;
key			= "";
currentSet	= 0;
var Text	= xmlArticle.selectSingleNode("//Content").text;
TotalByte	= Text.length;
if (flag==1){
	PageCount=Math.round(TotalByte/PageSize);
	if(parseFloat("0."+TotalByte%PageSize)>0){
		if(parseFloat("0."+TotalByte%PageSize)<0.5){
			PageCount=PageCount+1;
		}
	}
	var PageNum=new Array(PageCount+1);
	var PageTitle=new Array(PageCount+1);
	PageNum[0]=0;
	PageTitle[0]="";
   
	var sDrv1,sDrv2,sDrv3,sDrv4,sFlag;
	var sDrvL,sTemL;
	var sTem1,sTem2,k;
	sFlag=0;
   
	for(j=1;j<PageCount+1;j++){
		PageNum[j]=PageNum[j-1]+PageSize;
		PageTitle[j]="";

		sDrv1="<br>";
		sDrv2="<BR>";
		sDrv3="<Br>";
		sDrv4="<bR>";
		sDrvL=sDrv1.length;
		for(k=PageNum[j];k<=TotalByte;k++){
			sTem1=Text.substring(PageNum[j]-sDrvL,k);
			sTemL=sTem1.length;
			sTem2=sTem1.substring(sTemL-sDrvL,sTemL)
			if (sTem2==sDrv1 || sTem2==sDrv2 || sTem2==sDrv3 || sTem2==sDrv4){
				sFlag=sFlag+1;
				PageNum[j]=k;
				break;
			}
		}
		if (PageNum[j]>TotalByte){
			break;
		}
	}
	if (j<PageCount){
		PageNum.length=j;
		PageCount=j
	}
	if (PageCount>1&&sFlag>1&&PageCount<sFlag){
		PageCount=sFlag+1;
	}
}else{
	//手动分页
	var j,sFlag,PageCount,sText;
	var sTitleFlag;
	var PageNum	 =new Array();
	var PageTitle=new Array();
	
	PageSize = 0;
	j = 1;
	PageNum[0]	 = -72;
	PageTitle[0] = ""; 
	sFlag = 0;
	sText = Text;
	
	do{
		sText=Text.substring(PageNum[j-1]+72,TotalByte);
		sFlag=sText.indexOf(pagebreak_start);
		
		if (sText.substring(sFlag+71,sFlag+72) == "="){
			sTitleFlag=sText.indexOf(pagebreak_end,sFlag);
			PageTitle[j]=sText.substring(sFlag+72,sTitleFlag);
		}else{
			PageTitle[j]="";
		}
		if (sFlag>0){
			PageNum[j]=sFlag+PageNum[j-1]+72;
		}else{
			PageNum[j]=TotalByte;
		}
		j+=1;
	}while (PageNum[j-1]<TotalByte);
	PageCount=j-1;
}
	

function text_pagination(Page){
	var Output,Byte;

	if(Page==null){Page=1;}
	
	//显示正文
	if(Page==0) {
		//不分页
		tempText=Text;
	}else{
		//分页
		if (flag==1){
			//自动分页
			tempText=Text.substring(PageNum[Page-1],PageNum[Page]); 
		}else{
			//手动分页
			if (PageTitle[Page-1].length==0){
				tempText=Text.substring(PageNum[Page-1]+72,PageNum[Page]);
			}else{
				tempText=Text.substring(PageNum[Page-1]+72+PageTitle[Page-1].length,PageNum[Page]);
			}
		}
	}


	Output="";
	
	//分页内容
	Output=Output+"<div id=world>";
	Output=Output+tempText;
	Output=Output+"</div>";
	
	//分页区域
	Output=Output+"<div style='margin:15px 0px; text-align:center;'>";
	Output=Output+Article_PageNav(TopShowStyle,Page);
	Output=Output+"</div>";

	article.innerHTML = Output;
	
	if (Page>1){
		document.location.href='#top';
	}
}

function Article_PageNav(ShowStyle,Page){
	//分页码显示函数
	//参数为调用样式，0=简单样式，1=标准样式
	var temp="";
	if( PageCount > 1 ){
		if (ShowStyle==0){
			//简单样式
			tempPage=Page;
			if(TotalByte>PageSize){
				if (Page-4<=1){
					temp=temp+"<font face=webdings color=#999999>9</font>";
					if (Page<=1){temp=temp+"<font face=webdings color=#999999>7</font>";}else{temp=temp+"<a href=javascript:text_pagination("+(Page-1)+")><font face=webdings>7</font></a>";}
					if (PageCount>72){
						for(i=1;i<8;i++){
							if (i==Page){
								temp=temp+"<font color=red>"+i+"</font> ";
							}else{
								temp=temp+"<a href=javascript:text_pagination("+i+") >"+i+"</a>"+" ";
							}
						}
						temp=temp+" ...";
					}else{
						for(i=1;i<PageCount+1;i++){
							if (i==Page){
								temp=temp+"<font color=red>"+i+"</font> ";
							}else{
								temp=temp+"<a href=javascript:text_pagination("+i+") >"+i+"</a>"+" ";
							}
						}
					}
			
					if (Page==PageCount){temp=temp+"<font face=webdings color=#999999>8</font>";}else{temp=temp+"<a href=javascript:text_pagination("+(Page+1)+")><font face=webdings>8</font></a>";}
					if(PageCount<72){temp=temp+"<font face=webdings color=#999999>:</font>";}else{temp=temp+"<a href=javascript:text_pagination("+PageCount+")><font face=webdings>:</font></a>";}
				
				}else if(Page+4<=PageCount){
					temp=temp+"<a href=javascript:text_pagination(1)><font face=webdings>9</font></a>";
					temp=temp+"<a href=javascript:text_pagination("+(Page-1)+")><font face=webdings>7</font></a>";
					if (PageCount>72){
						temp=temp+"..";
						for(i=Page-4;i<Page+4;i++){
							if (i==Page){
								temp=temp+"<font color=red>"+i+"</font> ";
							}else{
								temp=temp+"<a href=javascript:text_pagination("+i+") >"+i+"</a>"+" ";
							}
						}
						temp=temp+" ..";
					}else{
						for(i=1;i<PageCount+1;i++){
							if (i==Page){
								temp=temp+"<font color=red>"+i+"</font> ";
							}else{
								temp=temp+"<a href=javascript:text_pagination("+i+") >"+i+"</a>"+" ";
							}
						}
					}
			   
					if (Page==PageCount){temp=temp+"<font face=webdings color=#999999>8</font>";}else{temp=temp+"<a href=javascript:text_pagination("+(Page+1)+")><font face=webdings>8</font></a>";}
					temp=temp+"<a href=javascript:text_pagination("+PageCount+")><font face=webdings>:</font></a>";
			
				}else{
					temp=temp+"<a href=javascript:text_pagination(1)><font face=webdings>9</font></a>";
			 		temp=temp+"<a href=javascript:text_pagination("+(Page-1)+")><font face=webdings>7</font></a>";
					temp=temp+".."
			
					for(i=Page-2;i<PageCount+1;i++){
						if (i==Page){
							temp=temp+"<font color=red>"+i+"</font> ";
						}else{
							temp=temp+"<a href=javascript:text_pagination("+i+") >"+i+"</a>"+" ";
						}
					}
			
					if (Page==PageCount){temp=temp+"<font face=webdings color=#999999>8</font>";}else{temp=temp+"<a href=javascript:text_pagination("+(Page+1)+")><font face=webdings>8</font></a>";}
					temp=temp+"<font face=webdings color=#999999>:</font>";
				}
			
			}else{
				temp=temp+"<font color=red>1</font> ";
			}
		
			temp=temp+" <a href=javascript:text_pagination(0)>显示全部</a>"
			
		}else if (ShowStyle==1){
			//标准样式
			if(TotalByte>PageSize){if(Page!=0){if(Page!=1){temp=temp+"<a href='#top' onclick=javascript:text_pagination("+(Page-1)+")><font color=3366cc>[上一页]</font></a>&nbsp;&nbsp;";}}}
			for (i=1;i<PageCount+1 ;i++ ){
				if (Page==i){
					temp=temp+"<font color=800000>["+i+"]</font>&nbsp;&nbsp;";
				}else{
					temp=temp+"<a href='#top' onclick=javascript:text_pagination("+i+")><font color=3366cc>["+i+"]</font></a>&nbsp;&nbsp;";
				}
			}
			temp=temp+"<a name='foot'></a>";
			if(TotalByte>PageSize){if(Page!=0){if(Page!=PageCount){temp=temp+"<a href='#top' onclick=javascript:text_pagination("+(Page+1)+")><font color=3366cc>[下一页]</font></a>";}}}
		
			temp=temp+" <a href=javascript:text_pagination(0)><font color=3366cc>显示全部</font></a>"
			
		}else if (ShowStyle==2){
			//下拉菜单样式
			temp=temp+'<select onchange="text_pagination(this.value)">'
			for (i=1;i<PageCount+1 ;i++ ){
			    if (Page==i){
					temp=temp+"<option value='"+i+"' selected style='color:red'>第 "+i+" 页"
				}else{
					temp=temp+"<option value='"+i+"'>第 "+i+" 页";
				}
			    if (PageTitle[i].length!=0){
					temp=temp+'：'+PageTitle[i];
				}
				temp=temp+"</option>";
			}
			temp=temp+"</select>";
		}
	
	}
	
	return (temp);

}

//默认页
text_pagination(startpage);