Please open the browse_Document.asp.

 

And change the following code to meet your requirements:

 

Function GetExtension(str_FileName)
 dim allextensions

 allextensions = "arj,asa,asax,ascx,asmx,asp,aspx,au,avi,bat,bmp,"
 allextensions = allextensions &"cab,chm,com,config,cs,css,disco,dll,doc,"
 allextensions = allextensions &"exe,gif,hlp,htm,html,jpg,jpeg,inc,ini,"
 allextensions = allextensions &"log,mdb,mid,midi,mov,mp3,mpg,mpeg,"
 allextensions = allextensions &"pdf,ppt,swf,sys,txt,tif,vb,vbs,vsdisco,"
 allextensions = allextensions &"wav,wri,xls,xml,zip,png"
 .