function b3_openHelp() {
	timer=setInterval("b3_apriHelp()",20);
	}
function b3_apriHelp() {
	div=document.getElementById('helpcorsi');
	divflv=document.getElementById('helpflv');
	divopen=document.getElementById('helpopen');
	divopen.style.display='none';
	if(parseInt(div.style.height)<444) div.style.height=(parseInt(div.style.height)+20)+"px";
	else {
		clearInterval(timer);
		swf='<embed src="flvplayer.swf?file=cnfintro.flv" quality="high" scale="exactfit" bgcolor="#e7d9ac" width="595" height="444" allowScriptAccess="sameDomain" type="application/x-shockwave-flash" pluginspage="http://www.macromedia.com/go/getflashplayer" />';
		divflv.innerHTML=swf;
		divflv.style.display='block';
		}
	}
function b3_closeHelp() {
	timer=setInterval("b3_chiudiHelp()",20);
	}
function b3_chiudiHelp() {
	div=document.getElementById('helpcorsi');
	divflv=document.getElementById('helpflv');
	divopen=document.getElementById('helpopen');
	divflv.style.display='none';
	divflv.innerHTML="";
	if(parseInt(div.style.height)>50) div.style.height=(parseInt(div.style.height)-20)+"px";
	else {
		clearInterval(timer);
		divopen.style.display='block';
		}
	}