var pageCount,pageName,pageExt;

function createPageHTML(_nPageCount, _nCurrIndex, _sPageName, _sPageExt){//参数列表总页数，当前页码，默认页面文件名，默认文件后缀
	if(_nPageCount == null || _nPageCount<=1){
		return;
	}
	var nCurrIndex = _nCurrIndex || 0;
	if(nCurrIndex == 0)	{	//当前页为第一页
		document.write("<a disabled>首页</a>&nbsp;");
		document.write("<a disabled>上一页</a>&nbsp;");
		//document.write("<font color=red>1</font>&nbsp;");
	}
	else{
		document.write("<a class='pagebar' href=\""+_sPageName+"."+_sPageExt+"\">首页</a>&nbsp;");
		if (nCurrIndex == 1){//第二页
			document.write("<a class='pagebar' href=\""+_sPageName+"."+_sPageExt+"\">上一页</a>&nbsp;");
		} else{
			document.write("<a class='pagebar' href=\""+_sPageName + "_" + (nCurrIndex-1) + "."+_sPageExt+"\">上一页</a>&nbsp;");
		}
		//document.write("<a class='pagebar' href=\""+_sPageName+"."+_sPageExt+"\">1</a>&nbsp;");
	}

	//for(var i=1; i<(_nPageCount-1); i++){ //显示第2页到倒数第二页
	//	if(nCurrIndex == i)
	//		document.write("<font color=red>" + (i+1) + "</font>&nbsp;");
	//	else
	//		document.write("<a class='pagebar' href=\""+_sPageName+"_" + i + "."+_sPageExt+"\">"+(i+1)+"</a>&nbsp;");
	//}
	
	if(nCurrIndex == (_nPageCount-1)){		//当前页为最后一页
	//	document.write("<font color=red>" + _nPageCount + "</font>&nbsp;");
		document.write("<a disabled>下一页</a>&nbsp;");
		document.write("<a disabled>尾页</a>");
	}
	else{
	//	document.write("<a class='pagebar' href=\"" + _sPageName + "_" + (_nPageCount-1) + "." + _sPageExt + "\">" + _nPageCount + "</a>&nbsp;");
		document.write("<a class='pagebar' href=\"" + _sPageName + "_" + (nCurrIndex+1) + "." + _sPageExt + "\">下一页</a>&nbsp;");
		document.write("<a class='pagebar' href=\"" + _sPageName + "_" + (_nPageCount-1) + "." + _sPageExt + "\">尾页</a>");
	}
	
	//添加
	document.write("&nbsp;共["+_nPageCount+"]页");
	document.write("&nbsp;当前为第["+(_nCurrIndex+1)+"]页");
	document.write("&nbsp;跳转到第[<input style=\"border:0; width:14px;\" name=\"thisNum\" type=\"text\" onkeypress=\"if (event.keyCode < 45 || event.keyCode > 57 ) event.returnValue = false;\" class=\"input_page\">]页");
	document.write("<input type=\"button\" value=\"\" class=\"input_go\" onClick=\"toPage()\">");
	
	pageCount = _nPageCount;
	pageName = _sPageName;
	pageExt = _sPageExt;
}

function toPage(){
	thisPageNum = thisNum.value;
	if (thisPageNum <= 1) thisPageNum = 1;
	else if (thisPageNum >= pageCount) thisPageNum = pageCount;
	if (thisPageNum == 1){
		window.location.href = pageName + "." + pageExt;
	}
	else{
		window.location.href = pageName + "_" + (thisPageNum-1) + "." + pageExt;
	}
}