Damoz_FTW

Sorry but i'm very new to modding and java in general so i might sound kinda stupid and i might have made a stupid mistake, please forgive me. So im trying to get my mcp workspace setup so i cant start creating some simple mods for practice then eventually make something bigger, i'm having trouble with just the setup ._. i have java JDK installed (with environment variables) and i have java 7 installed, i've also got eclipse and im trying to make a mod for 1.6.4 as i would assume it would be more stable. So first thing i do is extract the recommended 1.6.4 version of forge src and i put it in a new folder. The next thing i do is run the install batch file which then starts installing mcp and fixing it etc. Once that was done i then went opened eclipse and ran it through the eclipse folder in mcp just to check. the src was empty and it had nothing so then i decompile the mcp folder which put all the regular minecraft packages and classes into the mcp/src folder. now i open eclipse the same way i mentioned before and now i have all the net.minecraft....... classes and packages. But since i have watched a few tutorials on how to do this, when they do the same thing i did, they get these forge packages called cpw.mods.fml...... and the net.minecraft packages. It seems it doesn't matter what i do, i do the exact same thing as them but i get a different outcome. The problem is i need these packages to be able to import my mod into, but i don't know what i've done wrong. If someone could help out this silly boy that would be awesome thanks in advance.