Dont worry i figured it out, took a bit of researching but i got there. Little bit surprised some one couldnt take to the time to help. But i guess it always feels better to figure it out my self. Here is the code for any one else learning AS3.
documentClass:
Code:
package {
	import flash.display.MovieClip;
	public class documentClass extends MovieClip {
		public var TestClass:testClass;
		public function documentClass() {
			TestClass = new testClass();
			TestClass.testTrace();
		}
	}
}
testClass:
Code:
package {
	import flash.display.MovieClip;
	public class testClass extends MovieClip {
		public var traceNumber:Number=345;
		public function testClass() {
		}
		public function testTrace() {
			trace(traceNumber);
		}
	}
}
Cheers
Aaron