function createpagehtml(_npagecount, _ncurrindex, _spagename, _spageext){
	
	if(_npagecount == null || _npagecount<=1){
		return;
	}
	var startnum =1;
	//定义翻页的字体样式
	var stylea = "arrow";
	var stylef="arrow first_num";
	var stylei="arrow index_num";
	var stylen="arrow next_num";
	var stylel="arrow last_num";
	var endnum = _npagecount<9?_npagecount:9;
	var ncurrindex = _ncurrindex || 0;
	
	document.write("<span class=\""+stylea+" "+stylef+"\"><a href=\""+_spagename+"."+_spageext+"\" >首页</a></span>");
	if(_npagecount>=2&&ncurrindex>=1){
		if(ncurrindex==1){
			document.write("<span class=\""+stylen+"\"><a href=\""+_spagename+ "."+_spageext+"\" >上一页</a></span>");
		}else{
			document.write("<span class=\""+stylen+"\"><a href=\""+_spagename+"_" + (ncurrindex-1) + "."+_spageext+"\">上一页</a></span>");
		}
	}
	if(ncurrindex==0){
		document.write("<span class=\""+stylen+"\" style='display:none;'>上一页</span>");
	}
	
	if(ncurrindex == 0)
		document.write("<span class=\""+stylei+"\">1</span>");
	else if(ncurrindex<5)
		document.write("<span class=\""+stylea+"\"><a href=\""+_spagename+"."+_spageext+"\">1</a></span>");
	
	if(_npagecount>9&&ncurrindex>=5){
		endnum = ncurrindex+5>_npagecount?_npagecount:ncurrindex+5;
	}
	if(ncurrindex>4){
		startnum = ncurrindex-4;
	}
	for(var i=startnum;i<endnum; i++){
		if(ncurrindex == i)
			document.write("<span class=\""+stylei+"\">"+(i+1) + "</span>");
		else
			document.write("<span class=\""+stylea+"\"><a href=\""+_spagename+"_" + i + "."+_spageext+"\">"+(i+1)+"</a></span>");
	}
	if(_npagecount>=2&&_ncurrindex!=_npagecount-1){
		document.write("<span class=\""+stylen+"\"><a href=\""+_spagename+"_" + (ncurrindex+1) + "."+_spageext+"\">下一页</a></span>");
		
	}
	if(_ncurrindex==_npagecount-1){
		document.write("<span class=\""+stylen+"\" style='display:none;'>下一页</span>");
	}
	document.write("<span class=\""+stylea+" "+stylel+"\"><a href=\""+_spagename+"_" + (_npagecount-1) + "."+_spageext+"\"  >最后页</a></span>");
	document.write("<span class=\"pagination_index_last\">第"+(_ncurrindex+1)+"页 / ");
	//document.write("转<input name=\"pagination_input\" id=\"pagination_input\" >页<a href>go</a>");
	document.write(" 共"+_npagecount+"页</span>");
}