tab_f = new Array();tab_f['img']=new Array(2); tab_f['img'][0]=new Array(7);tab_f['img'][1]=new Array(7); tab_f['doc']=new Array(2); tab_f['doc'][0]=new Array(11);tab_f['doc'][1]=new Array(11); tab_f['music']=new Array(2); tab_f['music'][0]=new Array(3);tab_f['music'][1]=new Array(3); tab_f['flash']=new Array(2); tab_f['flash'][0]=new Array(1);tab_f['flash'][1]=new Array(1); tab_f['video']=new Array(2); tab_f['video'][0]=new Array(5);tab_f['video'][1]=new Array(5); tab_f['flv']=new Array(2); tab_f['flv'][0]=new Array(1);tab_f['flv'][1]=new Array(1); tab_f['doc'][0][0]='csv';tab_f['doc'][1][0]='';tab_f['doc'][0][1]='doc';tab_f['doc'][1][1]='';tab_f['doc'][0][2]='exe';tab_f['doc'][1][2]='';tab_f['doc'][0][3]='pdf';tab_f['doc'][1][3]='';tab_f['doc'][0][4]='pps';tab_f['doc'][1][4]='';tab_f['doc'][0][5]='ppt';tab_f['doc'][1][5]='';tab_f['doc'][0][6]='rar';tab_f['doc'][1][6]='';tab_f['doc'][0][7]='rtf';tab_f['doc'][1][7]='';tab_f['doc'][0][8]='txt';tab_f['doc'][1][8]='';tab_f['doc'][0][9]='xls';tab_f['doc'][1][9]='';tab_f['doc'][0][10]='zip';tab_f['doc'][1][10]='';tab_f['flash'][0][11]='swf';tab_f['flash'][1][11]='';tab_f['flv'][0][12]='flv';tab_f['flv'][1][12]='';tab_f['img'][0][13]='bmp';tab_f['img'][1][13]='';tab_f['img'][0][14]='gif';tab_f['img'][1][14]='';tab_f['img'][0][15]='jpeg';tab_f['img'][1][15]='';tab_f['img'][0][16]='jpg';tab_f['img'][1][16]='';tab_f['img'][0][17]='png';tab_f['img'][1][17]='';tab_f['img'][0][18]='tif';tab_f['img'][1][18]='';tab_f['img'][0][19]='tiff';tab_f['img'][1][19]='';tab_f['music'][0][20]='mp3';tab_f['music'][1][20]='';tab_f['music'][0][21]='ram';tab_f['music'][1][21]='';tab_f['music'][0][22]='rm';tab_f['music'][1][22]='';tab_f['video'][0][23]='avi';tab_f['video'][1][23]='';tab_f['video'][0][24]='mov';tab_f['video'][1][24]='';tab_f['video'][0][25]='mpeg';tab_f['video'][1][25]='';tab_f['video'][0][26]='mpg';tab_f['video'][1][26]='';tab_f['video'][0][27]='wmv';tab_f['video'][1][27]='';