openlayers加载本地切片、高亮显示

花费了很久整理的ol2的代码直接可用附带3级切片

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     目录           0  2015-04-01 11:21  openlayer加载本地切片\
     目录           0  2015-03-30 13:47  openlayer加载本地切片\0\
     目录           0  2015-03-30 13:49  openlayer加载本地切片\0\0\
     文件        2234  2015-03-30 13:48  openlayer加载本地切片\0\0\0.kml
     文件       12836  2015-03-30 13:48  openlayer加载本地切片\0\0\0.png
     目录           0  2015-03-30 13:48  openlayer加载本地切片\1\
     目录           0  2015-03-30 13:50  openlayer加载本地切片\1\0\
     文件        3355  2015-03-30 13:48  openlayer加载本地切片\1\0\0.kml
     文件       12021  2007-03-28 15:15  openlayer加载本地切片\1\0\0.png
     目录           0  2015-03-30 14:02  openlayer加载本地切片\1\1\
     文件        3351  2015-03-30 13:48  openlayer加载本地切片\1\1\0.kml
     文件       11124  2007-03-28 15:15  openlayer加载本地切片\1\1\0.png
     目录           0  2015-03-30 13:48  openlayer加载本地切片\2\
     目录           0  2015-03-30 14:14  openlayer加载本地切片\2\0\
     文件        3363  2015-03-30 13:48  openlayer加载本地切片\2\0\0.kml
     文件        7379  2007-03-28 15:32  openlayer加载本地切片\2\0\0.png
     文件        3355  2015-03-30 13:48  openlayer加载本地切片\2\0\1.kml
     文件       20450  2007-03-28 15:32  openlayer加载本地切片\2\0\1.png
     目录           0  2015-03-30 14:15  openlayer加载本地切片\2\1\
     文件        3351  2015-03-30 13:48  openlayer加载本地切片\2\1\0.kml
     文件       21549  2007-03-28 15:32  openlayer加载本地切片\2\1\0.png
     文件        3343  2015-03-30 13:48  openlayer加载本地切片\2\1\1.kml
     文件       23595  2007-03-28 15:32  openlayer加载本地切片\2\1\1.png
     目录           0  2015-03-30 14:16  openlayer加载本地切片\2\2\
     文件        3351  2015-03-30 13:48  openlayer加载本地切片\2\2\0.kml
     文件       16984  2007-03-28 15:32  openlayer加载本地切片\2\2\0.png
     文件        3343  2015-03-30 13:48  openlayer加载本地切片\2\2\1.kml
     文件       24830  2007-03-28 15:32  openlayer加载本地切片\2\2\1.png
     目录           0  2015-03-30 14:17  openlayer加载本地切片\2\3\
     文件        2226  2015-03-30 13:48  openlayer加载本地切片\2\3\0.kml
     文件        8440  2007-03-28 15:32  openlayer加载本地切片\2\3\0.png
............此处省略518个文件信息