//begin globals
	
	lastlayerid = 'LTreinar';
	briefintro = document.getElementById('brief_intro');
	lnulo = document.getElementById('LNull');
	tagfechar = '<span id="fechar" class="fechar">fechar</span>';

//end globals

function todefault(dst){ document.getElementById(dst).innerHTML = tagfechar + document.getElementById(lastlayerid).innerHTML; }

function changedest (src,hgt) {	
	lastlayerid = src;		
	todefault('brief_intro'); 
	document.getElementById('brief_intro').style.height= hgt;
	if(hgt!='90px'){document.getElementById('fechar').style.visibility="visible";}
	else{document.getElementById('fechar').style.visibility="hidden";}
	}
	
function tofechar() {
	bogu = document.getElementById('basecor').getElementsByTagName('img')[0];
   
	bogu.onclick=function(){
	if(document.getElementById('brief_intro').offsetHeight!=10 )
		{var number= document.body.offsetHeight-20; changedest('LNull','90px');  window.scrollTo(0,number)} 
		else{ var number= document.body.offsetHeight-240; changedest('LTreinar','220px'); window.scrollTo(0,number) };
		};
	bogu.onmouseover= function(){
		if(document.getElementById('brief_intro').offsetHeight==10){
			document.getElementById('menubottom2').getElementsByTagName('A')[0].className="spanblock"
			};
		document.getElementById('fechar').className="fecharhover";
		};
		
	  bogu.onmouseout=function (){
		document.getElementById('menubottom2').getElementsByTagName('A')[0].className="none";
		document.getElementById('fechar').className="fechar";
		};
		
	}



/*function lbottom(){
	var linkbottom2 = document.getElementById('menubottom2').getElementsByTagName('li');
		for(k=0;k<linkbottom2.length;k++)
		{linkbottom2[k].getElementsByTagName('a')[0].setAttribute('href','#chao');	}
		changedest ('LNull','90px');
		tofechar();
		}*/