function newImage(arg) {
		if (document.images) {
			rslt = new Image();
			rslt.src = arg;
			return rslt;
		}
	}
	
	function changeImages() {
		if (document.images && (preloadFlag == true)) {
			for (var i=0; i<changeImages.arguments.length; i+=2) { document[changeImages.arguments[i]].src = changeImages.arguments[i+1]; }
		}
	}
	
	var preloadFlag = false;
	function preloadImages() {
		if (document.images) {	
			iface01 = newImage("bs_seminar_ov.gif");	
			iface02 = newImage("bs_topatai_ov.gif");	
			iface03 = newImage("bs_center_ov.gif");	
			preloadFlag = true;
		}
	}

function sendmail(sel){
if (sel == 1){
window.open('mailto:access-seminar@ntt-at.co.jp?subject=From NTT-AT Web Site');
}else if (sel == 2){
window.open('mailto:infosec@ntt-at.co.jp?subject=From NTT-AT Web Site');
}else{
window.open('mailto:topa-tai@ntt-at.co.jp?subject=From NTT-AT Web Site');
}
}