function download()	{
				switch(version) {
					case 1:
						location.href="green_peace.tar.gz";
						break;
					case 2:
						location.href="green_peace.zip";
						break;
					case 3:
						location.href="green_peace_it.tar.gz";
						break;
					case 4:
						location.href="green_peace_it.zip";
						break;
					default:
						alert('You must choose one of the available versions!');
						break;
						}
			}
version=0