//---- PreLoad

	MenuImg=new Array(4);
	MenuImg[0]= new Image();MenuImg[0].src="../images/sidemenu01.gif";
	MenuImg[1]= new Image();MenuImg[1].src="../images/sidemenu01on.gif";
	MenuImg[2]= new Image();MenuImg[2].src="../images/sidemenu02.gif";
	MenuImg[3]= new Image();MenuImg[3].src="../images/sidemenu02on.gif";
//--- switch Images

function changeMenuImg(x, name){
	document.images[name].src=MenuImg[x].src;
}