function preSwap(){
	Mimg01 = new Image();
	Mimg01.src =  "/image/toppage/top_menu_b_01_over.gif";
	Mimg02 = new Image();
	Mimg02.src =  "/image/toppage/top_menu_b_02_over.gif";
	Mimg03 = new Image();
	Mimg03.src =  "/image/toppage/top_menu_b_03_over.gif";
	

	}
	
	

function overSwap(Nid,IMG){
		document.getElementById(Nid).src = IMG;
	}
function outSwap(Nid,IMG){
		document.getElementById(Nid).src = IMG;

	}



function smoothScroll(targetID){
	new Effect.ScrollTo(targetID);
//	$(targetID).visualEffect("ScrollTo");
}