var flag = false;

function init() {
	flag = true;
};

window.onload = init;

function changeImage(name){
	if (flag) {
		this.name = 'images/top/pic_topcatch_' + name + '.jpg';
		this.topCatch = document.getElementById('topCatch');
		this.topCatch.src = this.name;
	}
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

MM_preloadImages(
	'/images/top/pic_topcatch_cd.jpg',
	'/images/top/pic_topcatch_dd.jpg',
	'/images/top/pic_topcatch_ft.jpg',
	'/images/top/pic_topcatch_hb.jpg',
	'/images/top/pic_topcatch_hc.jpg',
	'/images/top/pic_topcatch_mm.jpg',
	'/images/top/pic_topcatch_pt.jpg',
	'/images/top/pic_topcatch_tm.jpg',
	'/images/top/pic_topcatch_wl.jpg'

);