title: select folder path to save file
body: <p>I am building an online storage site where users can upload their files (this part of the coding is done). After uploading files users must have an option to download them. this is where I'm stuck. I want to add code that will let my users see a dialog box saying to choose the path , where in the pc  the file will download. similar to this image (given in the link) </p>
  
  <p><a href="http://www.libraries.psu.edu/content/psul/cataloging/deptinfo/deptgroups/ecip/localsavefile/_jcr_content/openpar/textimage_psul_1/image.img.jpg/1369406997262.jpg" rel="nofollow">http://www.libraries.psu.edu/content/psul/cataloging/deptinfo/deptgroups/ecip/localsavefile/_jcr_content/openpar/textimage_psul_1/image.img.jpg/1369406997262.jpg</a></p>
  
  <p>my question is, can I build this dialog box in php? if it is possible in php then what function do I need for coding. please say anything so that I can find a point to began with. </p>
  
  <p>---thanks.</p>