function ShowVantagens(index)
        {
            document.getElementById("vantagens-1").style.display = (index == 1 ? "" : "none");
            document.getElementById("vantagens-2").style.display = (index == 2 ? "" : "none");
            document.getElementById("vantagens-3").style.display = (index == 3 ? "" : "none");
            return false;
        }


function Position(object)
{
	var m_elem = object;

	this.GetElementWidth = GetElementWidth;
	function GetElementWidth()
	{
		var elem;
		if(typeof(m_elem) == "object")
		{
			elem = m_elem;
		}
		else
		{
			elem = document.getElementById(m_elem);
		}
		return parseInt(elem.offsetWidth);
	}

	this.GetElementHeight = GetElementHeight;
	function GetElementHeight()
	{
		var elem;
		if(typeof(m_elem) == "object")
		{
			elem = m_elem;
		}
		else
		{
			elem = document.getElementById(m_elem);
		}
		if (elem) { return parseInt(elem.offsetHeight); }
		return 0;
	}

	this.GetElementLeft = GetElementLeft;
	function GetElementLeft()
	{
		var x = 0;
		var elem;		
		if(typeof(m_elem) == "object")
			elem = m_elem;
		else
			elem = document.getElementById(m_elem);
			
		while (elem != null)
		{
			x += elem.offsetLeft;
			elem = elem.offsetParent;
		}
		return parseInt(x);
	}
	
	this.GetElementRight = GetElementRight;
	function GetElementRight()
	{
		return GetElementLeft(m_elem) + GetElementWidth(m_elem);
	}

	this.GetElementTop = GetElementTop;
	function GetElementTop()
	{
		var y = 0;
		var elem;
		if(typeof(m_elem) == "object")
		{
			elem = m_elem;
		}
		else
		{
			elem = document.getElementById(m_elem);
		}
		while (elem != null)
		{
			y+= elem.offsetTop;
			elem = elem.offsetParent;
		}
		return parseInt(y);
	}

	this.GetElementBottom = GetElementBottom;
	function GetElementBottom()
	{
	    return GetElementTop(m_elem) + GetElementHeight(m_elem);
	}
	
	function GetWindowHeight() {
      var myWidth = 0, myHeight = 0;
      if( typeof( window.innerWidth ) == 'number' ) {
        //Non-IE
        myWidth = window.innerWidth;
        myHeight = window.innerHeight;
      } else if( document.documentElement && ( document.documentElement.clientWidth || document.documentElement.clientHeight ) ) {
        //IE 6+ in 'standards compliant mode'
        myWidth = document.documentElement.clientWidth;
        myHeight = document.documentElement.clientHeight;
      } else if( document.body && ( document.body.clientWidth || document.body.clientHeight ) ) {
        //IE 4 compatible
        myWidth = document.body.clientWidth;
        myHeight = document.body.clientHeight;
      }
      return myHeight;
    }

    function GetWindowWidth() {
      var myWidth = 0, myHeight = 0;
      if( typeof( window.innerWidth ) == 'number' ) {
        //Non-IE
        myWidth = window.innerWidth;
        myHeight = window.innerHeight;
      } else if( document.documentElement && ( document.documentElement.clientWidth || document.documentElement.clientHeight ) ) {
        //IE 6+ in 'standards compliant mode'
        myWidth = document.documentElement.clientWidth;
        myHeight = document.documentElement.clientHeight;
      } else if( document.body && ( document.body.clientWidth || document.body.clientHeight ) ) {
        //IE 4 compatible
        myWidth = document.body.clientWidth;
        myHeight = document.body.clientHeight;
      }
      return myWidth ;
    }

}