data=new Array(
		""
				);
btn=new Array();
for(i=0;i<data.length;i++){btn[i]=new Image();btn[i].src=data[i];}
function swapImg(str,num){document.images[str].src ="img/b_" + num + ".gif";}

/* ウィンドウを開く */
function openNewWin(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}