javascript 实现分页条

function Paging(pageNum,pageSize,totalCount,skipCount,fuctionName,currentStyleName,currentUseLink,preText,nextText,firstText,lastText)
{
//debugger;
    var returnValue = "";
    var begin = 1;
    var end = 1;
    var totalpage = Math.floor(totalCount / pageSize);
    if(totalCount % pageSize >0)
    {
        totalpage ++;
    }
   
    if(preText == null)
    {
        firstText = "prev";
    }
    if(nextText == null)
    {
        nextText = "next";
    }
   
    begin = pageNum - skipCount;
    end = pageNum + skipCount;
   
    if(begin <= 0)
    {
        end = end - begin +1;
        begin = 1;
    }
   
    if(end > totalpage)
    {
        end = totalpage;
    }
    for(count = begin;count <= end;count ++)
    {
        if(currentUseLink)
        {
            if(count == pageNum)
            {
                returnValue += "<a class=\""+currentStyleName+"\" href=\"javascript:void(0);\" onclick=\""+fuctionName+"("+count.toString()+");\">"+co