Fairly new that I am to javascript, I need help with this simple script :

Code:
<Script Language="JavaScript">
<!-- 
	var images = new array[3];
	images[0] = 'p1txtrl1.jpg';	// Services
	images[1] = 'p1txtrl2.jpg';	// Sites
	images[2] = 'p1txtrl3.jpg';	// Références
	images[3] = 'p1txtrl.jpg';	// Image par défaut

	var rollovers_on = new array[2];
	rollovers_on[0] = 'p1btsrrl.jpg';	// Services
	rollovers_on[1] = 'p1btstrl.jpg';	// Sites
	rollovers_on[2] = 'p1btrfrl.jpg';	// Références
	
	var rollovers_off = new array[2];
	rollovers_off[0] = 'p1btsrup.jpg';	// Services
	rollovers_off[1] = 'p1btstup.jpg';	// Sites
	rollovers_off[2] = 'p1btrfup.jpg';	// Références
	
	function RollOver(Img, Index)
	{
		document.frmMenu.imgCentral.src = images[Index];
		Img.src = rollovers_on[Index];
	}
	
	function RollOut(Img, Index)
	{
		document.frmMenu.imgCentral.src = images[3];
		Img.src = rollovers_off[Index];
	}

	// Procédure principale
	window.defaultStatus = 'Accueil';
	document.frmMenu.imgCentral.src = images[3];
// -->
</Script>
What's wrong with this code ?