function GetPictureThumb(url, thumbFormat)
{
	var thumbs;
	if (thumbFormat != '')
	{
		var extend = url.substring(url.lastIndexOf('.'));
		thumbs= url.replace(extend, '_' + thumbFormat + extend);
	}
	else
	{
		thumbs = urls;
	}
	return thumbs;
}
    function  Cut(Str,Length)
        {
            var i = 0, j = 0,k=0;
            var strT = "";
            var tmp=new Array();
            for(i=0;i<Str.value.length;i++) 
            {     var c = Str.value.charCodeAt(i);
               if ((c >= 0x0001 && c <= 0x007e) || (0xff60<=c && c<=0xff9f))
                    k++;
                else
                    k =k+ 2;
                if (k>= Length)
                {
                    Str.value = Str.value.substring(0, j) + strT;
                    break;
                }
                j++;
            }
            return Str;
        }
  function GetLength(str)
  {
         var i = 0, j = 0;
            var strT = "";
            var tmp=new Array();
            for(i=0;i<str.length;i++) 
            {     var c = str.charCodeAt(i);
               if ((c >= 0x0001 && c <= 0x007e) || (0xff60<=c && c<=0xff9f))
                    j++;
                else
                    j =j+ 2;
            }
            return j;
  }