var  javascript_version = 1.3;
// PRELOAD MAIN MENU - HOME PAGE ONLY

mainRoll = new Array();
var imagePrefix = "images/";
function cacheImages (){

if (javascript_version > 1.0)
	{
		for(var i = 1; i < 4; i++){
		mainRoll[i]      = new Image();
		mainRoll[i].src  = imagePrefix + "m" + i;
		}
	}
}
// ROLLOVER FUNCTION MAIN MENU

function rollOver(id,menu){
var imageName = id;
var swpSRC = "images/" + id + "_on.gif"
document[imageName].src=swpSRC;
}

function rollOut(id,menu){
var imageName = id;
var swpSRC = "images/" + id + "_off.gif"
document[imageName].src=swpSRC;
}