Want to change the color

package
{
import flash.display.MovieClip;
import flash.events.MouseEvent;
public class mascot1 extends MovieClip
{
public function mascot1()
{

    var myMovieClip:mascot = new mascot();
	myMovieClip.x = 25;
	myMovieClip.y = 25;		
    addChild(myMovieClip);
	myMovieClip.addEventListener(MouseEvent.CLICK, clickmascot);
	myMovieClip.buttonMode = true;
	 for(var i=0;i<10;i++)
		{
		var mas1:mascot= new mascot();
		mas1.x =50*i+50;
		mas1.y =300;
		mas1.scaleX = .7;
		mas1.scaleY = .7;
		
		addChild(mas1);
		
		}
}
function clickmascot(event:MouseEvent)
{
	var myButton:LibraryButton = new LibraryButton();
    myButton.x = 450;
    myButton.y = 100;
    addChild(myButton);
	trace("hi ");
	myButton.addEventListener(MouseEvent.CLICK, clickLibraryButton);
}
	function clickLibraryButton(event:MouseEvent)
	{
		trace("you done a good job");
	}
	
}

}

In this code i had made one movieclip to copy 10 times
in this code what i want means i want to change the color of the cloned movieclips. so please reply me friends.