dynamicanimAttr = "dyn_animation";
animateElements = new Array();
currentElement = 0;
speed = 0;
stepsZoom = 8;
stepsWord = 8;
stepsFly = 52;
stepsSpiral = 16;
steps = stepsZoom;
step = 0;
outString = "";
/* ------------------------------- */
/* mostra um texto cadente na tela */
/* ------------------------------- */
function dyn_animation()
{
	var ms = navigator.appVersion.indexOf("MSIE");
	ie4 = (ms>0) && (parseInt(navigator.appVersion.substring(ms+5, ms+6)) >= 4);
	if(!ie4)
	{
	  if((navigator.appName == "Netscape") &&
	     (parseInt(navigator.appVersion.substring(0, 1)) >= 4))
	  {
	    for (index=document.layers.length-1; index >= 0; index--)
	    {
	        layer=document.layers[index];
	        if (layer.left==10000)
	            layer.left=0;
	    }
	  }
	  return;
	}
	for (index=document.all.length-1; index >= document.body.sourceIndex; index--)
	{
	  el = document.all[index];
	  animation = el.getAttribute(dynamicanimAttr, false);
	  if(null != animation)
	  {
	    if(animation == "dropWord" || animation == "flyTopRightWord" || animation == "flyBottomRightWord")
	    {
	      ih = el.innerHTML;
	      outString = "";
	      i1 = 0;
	      iend = ih.length;
	      while(true)
	      {
	        i2 = startWord(ih, i1);
	        if(i2 == -1)
	          i2 = iend;
	        outWord(ih, i1, i2, false, "");
	        if(i2 == iend)
	          break;
	        i1 = i2;
	        i2 = endWord(ih, i1);
	        if(i2 == -1)
	          i2 = iend;
	        outWord(ih, i1, i2, true, animation);
	        if(i2 == iend)
	          break;
	        i1 = i2;
	      }
	      document.all[index].innerHTML = outString;
	      document.all[index].style.posLeft = 0;
	      document.all[index].setAttribute(dynamicanimAttr, null);
	    }
	    if(animation == "zoomIn" || animation == "zoomOut")
	    {
	      ih = el.innerHTML;
	      outString = "<SPAN " + dynamicanimAttr + "=\"" + animation + "\" style=\"position: relative; left: 10000;\">";
	      outString += ih;
	      outString += "</SPAN>";
	      document.all[index].innerHTML = outString;
	      document.all[index].style.posLeft = 0;
	      document.all[index].setAttribute(dynamicanimAttr, null);
	    }
	  }
	}
	i = 0;
	for (index=document.body.sourceIndex; index < document.all.length; index++)
	{
	  el = document.all[index];
	  animation = el.getAttribute(dynamicanimAttr, false);
	  if (null != animation)
	  {
	    if(animation == "flyLeft")
	    {
	      el.style.posLeft = 10000-offsetLeft(el)-el.offsetWidth;
	      el.style.posTop = 0;
	    }
	    else if(animation == "flyRight")
	    {
	      el.style.posLeft = 10000-offsetLeft(el)+document.body.offsetWidth;
	      el.style.posTop = 0;
	    }
	    else if(animation == "flyTop" || animation == "dropWord")
	    {
	      el.style.posLeft = 0;
	      el.style.posTop = document.body.scrollTop-offsetTop(el)-el.offsetHeight;
	    }
	    else if(animation == "flyBottom")
	    {
	      el.style.posLeft = 0;
	      el.style.posTop = document.body.scrollTop-offsetTop(el)+document.body.offsetHeight;
	    }
	    else if(animation == "flyTopLeft")
	    {
	      el.style.posLeft = 10000-offsetLeft(el)-el.offsetWidth;
	      el.style.posTop = document.body.scrollTop-offsetTop(el)-el.offsetHeight;
	    }
	    else if(animation == "flyTopRight" || animation == "flyTopRightWord")
	    {
	      el.style.posLeft = 10000-offsetLeft(el)+document.body.offsetWidth;
	      el.style.posTop = document.body.scrollTop-offsetTop(el)-el.offsetHeight;
	    }
	    else if(animation == "flyBottomLeft")
	    {
	      el.style.posLeft = 10000-offsetLeft(el)-el.offsetWidth;
	      el.style.posTop = document.body.scrollTop-offsetTop(el)+document.body.offsetHeight;
	    }
	    else if(animation == "flyBottomRight" || animation == "flyBottomRightWord")
	    {
	      el.style.posLeft = 10000-offsetLeft(el)+document.body.offsetWidth;
	      el.style.posTop = document.body.scrollTop-offsetTop(el)+document.body.offsetHeight;
	    }
	    else if(animation == "spiral")
	    {
	      el.style.posLeft = 10000-offsetLeft(el)-el.offsetWidth;
	      el.style.posTop = document.body.scrollTop-offsetTop(el)-el.offsetHeight;
	    }
	    else if(animation == "zoomIn")
	    {
	      el.style.posLeft = 10000;
	      el.style.posTop = 0;
	    }
	    else if(animation == "zoomOut")
	    {
	      el.style.posLeft = 10000;
	      el.style.posTop = 0;
	    }
	    else
	    {
	      el.style.posLeft = 10000-offsetLeft(el)-el.offsetWidth;
	      el.style.posTop = 0;
	    }
	    el.initLeft = el.style.posLeft;
	    el.initTop = el.style.posTop;
	    animateElements[i++] = el;
	  }
	}
	window.setTimeout("animate();", speed);
	}

function offsetLeft(el)
{
	x = el.offsetLeft;
	for (e = el.offsetParent; e; e = e.offsetParent)
	  x += e.offsetLeft;
	return x;
} 

function offsetTop(el)
{
	y = el.offsetTop;
	for (e = el.offsetParent; e; e = e.offsetParent)
	  y += e.offsetTop;
	return y;
} 

function startWord(ih, i)
{
	for(tag = false; i < ih.length; i++)
	{
	  c = ih.charAt(i);
	  if(c == '<')
	    tag = true;
	  if(!tag)
	    return i;
	  if(c == '>')
	    tag = false;
	}
	return -1;
}

function endWord(ih, i)
{
	nonSpace = false;
	space = false;
	while(i < ih.length)
	{
	  c = ih.charAt(i);
	  if(c != ' ')
	    nonSpace = true;
	  if(nonSpace && c == ' ')
	    space = true;
	  if(c == '<')
	    return i;
	  if(space && c != ' ')
	    return i;
	  i++;
	}
	return -1;
}

function outWord(ih, i1, i2, dyn, anim)
{
	if(dyn)
	  outString += "<SPAN " + dynamicanimAttr + "=\"" + anim + "\" style=\"position: relative; left: 10000;\">";
	outString += ih.substring(i1, i2);
	if(dyn)
	  outString += "</SPAN>";
}
function animate()
{
	el = animateElements[currentElement];
	animation = el.getAttribute(dynamicanimAttr, false);
	step++;
	if(animation == "spiral")
	{
	  steps = stepsSpiral;
	  v = step/steps;
	  rf = 1.0 - v;
	  t = v * 2.0*Math.PI;
	  rx = Math.max(Math.abs(el.initLeft), 200);
	  ry = Math.max(Math.abs(el.initTop),  200);
	  el.style.posLeft = Math.ceil(-rf*Math.cos(t)*rx);
	  el.style.posTop  = Math.ceil(-rf*Math.sin(t)*ry);
	}
	else if(animation == "zoomIn")
	{
	  steps = stepsZoom;
	  el.style.fontSize = Math.ceil(50+50*step/steps) + "%";
	  el.style.posLeft = 0;
	}
	else if(animation == "zoomOut")
	{
	  steps = stepsZoom;
	  el.style.fontSize = Math.ceil(100+200*(steps-step)/steps) + "%";
	  el.style.posLeft = 0;
	}
	else
	{
	  steps = stepsFly;
	  if(animation == "dropWord" || animation == "flyTopRightWord" || animation == "flyBottomRightWord")
	    steps = stepsWord;
	  dl = el.initLeft / steps;
	  dt = el.initTop  / steps;
	  el.style.posLeft = el.style.posLeft - dl;
	  el.style.posTop = el.style.posTop - dt;
	}
	if (step >= steps)
	{
	  el.style.posLeft = 0;
	  el.style.posTop = 0;
	  currentElement++;
	  step = 0;
	}
	if(currentElement < animateElements.length)
	  window.setTimeout("animate();", speed);
}