open file read-only

[Matt]

I want to open a file (Excel spreadsheet) read-only using JavaScript. Can
someone tell me if/how this can be done?
Thanks in advance,
Matt

 

[Hywel]

I want to open a file (Excel spreadsheet) read-only using JavaScript. Can
someone tell me if/how this can be done?

document.location.href='myfile.xls';