Need to Restore My Startup Disk


I had to re-partition my startup disk so I used to Disk Utility to make an image of it before partitioning. I have now re-partitioned and wish to copy all the files back on. I have now run into two problems. (1) The restore feature in Disk Utility does not work. The "Destination" field is always greyed out. I can select a source disk but not a destination one. (2) I tried simply copying all the files from the disk image back on to the hard disk. That didn't work because some files had permissions that would not allow me to do that.