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];
		}
	}
}

function changeInputImages(ctrl, src) {
	ctrl.src = src;
}

var preloadFlag = false;


function checkAllBoxes(ctrlName, flag)
{
	var ctrls = document.getElementsByName(ctrlName);
	for (var i=0; i<ctrls.length; i++) {
		ctrls[i].checked = flag;
	}

}