function Downloads() {
			
	var NumberOfDownloads = 25;
	var DownloadValue = 1;
	var sum = 0;
	var gn, elem;
	for (i=0; i<NumberOfDownloads; i++) {
		gn = 'download'+i;
		elem = document.getElementById(gn);
		if (elem.checked == true) { sum += Number(DownloadValue); }

	var sumSize = 0;
	var gnSize, elemSize;
	for (iSize=0; iSize<NumberOfDownloads; iSize++) {
		gnSize = 'download'+iSize;
		elemSize = document.getElementById(gnSize);
		if (elemSize.checked == true) { sumSize += Number(elemSize.value); }
	}

	document.getElementById('DownloadTotal').value = sum;
	document.getElementById('DownloadSize').value = Math.round(sumSize*100)/100;

	}
}