norm_fnt = 12;
function chgSzD() {
	norm_fnt -= 2;
	document.getElementById('content').style.fontSize = norm_fnt + "px";
} 

function chgSzU() {
	norm_fnt += 2;
	document.getElementById('content').style.fontSize = norm_fnt + "px";
}

function hideBanner() {
 document.getElementById('flashBanner').style.visibility='hidden';
}