//letreiro.js

onload = letreiro;

bname=navigator.appName;
bversion=parseInt(navigator.appVersion);
if ((bname=="Netscape" && bversion>=4) || (bname=="Microsoft Internet Explorer" && bversion>=4)){
	if (bname=="Netscape")
		brows=true;
	else
		brows=false;

	var z=0;
	var msg=0;
	var message= new Array();
	var value=0;
	var timer1;
	var timer2;
	var timer3;

	message[0]="<class=news>Tá estressado?</A>";
	message[1]="<class=news>Entre nessa</A>";
	message[2]="<class=news>companhiadatrilha.com.br</A>";
	message[3]="<class=news>adrenalina, natureza, aventura</A>";
	function letreiro(){
	startlet();
		
	}

	function startlet(){
		if (brows)
			res=document.layers['textanim'].top;
		else
			res=textanim.style.top;

		timer1=window.setInterval('uplet()',1);
	}

	function uplet(){
		if (brows){
			document.layers['textanim'].document.writeln('<span class="news">'+message[msg]+'</span>');
			document.layers['textanim'].document.close();
		}
		else
			textanim.innerHTML='<span class="news">'+message[msg]+'</span>';

		if (z<6){
			if (brows)
				document.layers['textanim'].top-=2;
			else
				textanim.style.posTop-=2;
			
			z++
		}
		else
		{
			window.clearInterval(timer1);
			timer3=window.setTimeout("tempo()",5500);
		}
	}

	function tempo(){
	window.clearInterval(timer3);
	timer2=window.setInterval('downlet()',1);
	}

	function downlet(){
		if (brows){
			document.layers['textanim'].document.writeln('<span class="news">'+message[msg]+'</span>');
			document.layers['textanim'].document.close();
		}
		else
			textanim.innerHTML='<span class="news">'+message[msg]+'</span>';

		if (z<10){
			if (brows)
				document.layers['textanim'].top-=2;
			else
				textanim.style.posTop-=2;

			z++;
		}
		else
		{
			if (brows){
				document.layers['textanim'].document.writeln('');
				document.layers['textanim'].document.close();
			}
			else
				textanim.innerHTML='';

			window.clearInterval(timer2);

			if(msg<message.length-1){
				msg++;
				z=0;
				if (brows)
					document.layers['textanim'].top=res;
				else
					textanim.style.top=res;

				window.setTimeout('startlet()',300);
			}
			else
			{
				msg=0;
				z=0;
				if (brows)
					document.layers['textanim'].top=res;
				else
					textanim.style.top=res;
				startlet();
			}
		}
	}
}