function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function changeImages() {
//	if (document.images && (preloadFlag == true)) {
	if (document.images) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}

function swapimg(nam,pal) {
	if(navigator.appVersion.charAt(0) >= "3") {
		document.images[nam].src = pal;	
		return(true);
	}
}

function enlargeimg(nam) {
	if(navigator.appVersion.charAt(0) >= "3") {
		var fn;
		var targetpath;
		var targetname;
		targetpath = document.images[nam].src;
		targetname = targetpath.match(/image_[0-9][0-9]/)
		fn = targetname + '.html';
		window.open(fn,'subwin','menubar=no,toolbar=no,scrollbars=auto,status=no,width=810,height=600,resizable=yes');
		return false;
	}
}