Are you sure you placed it in the right direction? The file you download is a RAR file (look at it as a container) you need to extract the file with WinRAR or WinZip (both free apps) inside the RAR file and place it in the directory i gave you, then it will ask if you'd like to replace the file. Click "Yes"
Hey smoke! Please go to this site and download the (Windows) Minecraft 1.5 backup client. With it you can connect to our server. Please, also register and check the forums regularly for news http://minecraft.n0tiz.be/viewtopic.php?f=10&t=25
We apologize for the inconvenience but we had to move the server to a dedicated for more stability and NO MORE LAG... yes! i repeat, NO MORE LAG.
Please also note that the domain name has also changed and u need to use the port number also to connect. minecraft.n0tiz.be:25564