function sumFields() {
	
	var countNumbers = 0;
	var formSummary = document.getElementById('formSummary');
	
	for (i=0; i<document.virusStats.elements.length-1; i++) {
		countNumbers += parseInt(document.virusStats.elements[i].value);
	}

   formSummary.firstChild.nodeValue=countNumbers;
}

function showStatHelp(helpText){
	var helpTextArea = document.getElementById('helpTextArea');
	helpTextArea.firstChild.nodeValue=helpText;
} 

function showStatTitle(titleText){
	var helpTextTitle = document.getElementById('helpTextTitle');
	helpTextTitle.firstChild.nodeValue=titleText;
}