function preSwap(){
	Mimg01 = new Image();
	Mimg01.src =  "/images/header/head_menu_01_over.gif";
	Mimg02 = new Image();
	Mimg02.src =  "/images/header/head_menu_02_over.gif";
	Mimg03 = new Image();
	Mimg03.src =  "/images/header/head_menu_03_over.gif";
	Mimg04 = new Image();
	Mimg04.src =  "/images/header/head_menu_04_over.gif";
	Mimg05 = new Image();
	Mimg05.src =  "/images/header/head_menu_05_over.gif";
	Mimg06 = new Image();
	Mimg06.src =  "/images/header/head_menu_06_over.gif";
	Mimg07 = new Image();
	Mimg07.src =  "/images/header/head_menu_07_over.gif";
	Mimg08 = new Image();
	Mimg08.src =  "/images/header/head_menu_08_over.gif";
	Mimg09 = new Image();
	Mimg09.src =  "/images/common/contact_us_b2.gif";
	Mimg10 = new Image();
	Mimg10.src =  "/images/toppage/main_image.jpg";
	Mimg11 = new Image();
	Mimg11.src =  "/images/category/system_image.jpg";
	Mimg12 = new Image();
	Mimg12.src =  "/images/category/website_image.jpg";
	Mimg13 = new Image();
	Mimg13.src =  "/images/category/web_consulting_image.jpg";
	Mimg14 = new Image();
	Mimg14.src =  "/images/category/term_use_image.jpg";
	Mimg15 = new Image();
	Mimg15.src =  "/images/category/history_image.jpg";
	Mimg16 = new Image();
	Mimg16.src =  "/images/category/about_us_image.jpg";
	Mimg17 = new Image();
	Mimg17.src =  "/images/category/build_server.jpg";
	Mimg18 = new Image();
	Mimg18.src =  "/images/category/mobilesite_image.jpg";
	Mimg19 = new Image();
	Mimg19.src =  "/images/category/contact_us_image.jpg";
	}
	
	

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");
}