curTopic = 0;
	click = true;
	
function init()
{
	slider = document.getElementById('slider_frame');
	
    buttons = new Array();
	buttons = slider.getElementsByTagName('a');
	
	headlines = new Array();
	headlines = slider.getElementsByTagName('h2');
	
	text = new Array();
	text = slider.getElementsByTagName('p');	
	
	pics = new Array();
	pics = slider.getElementsByTagName('img');	
	
	mOver(0);
}

function changeTopic(num)
{
	
  headlines[curTopic].style.display = "none";
  text[curTopic].style.display = "none";	

  
  buttons[curTopic].style.backgroundImage = "url(/images/button_slider.png)";
  buttons[curTopic].style.color = "#565656";
  
  buttons[num].style.backgroundImage = "url(/images/button_active_slider.png)";
  buttons[num].style.color = "#ffffff";
  
  headlines[num].style.display = "block";
  text[num].style.display = "block";

  if(curTopic!=num)
  {
	  if(curTopic<num)
	  {  
		new Effect.Move('scroll', { x: -548, y: 0, mode: 'relative' });
	  }
	  else
	  {
		new Effect.Move('scroll', { x: 548, y: 0, mode: 'relative' });
	  }
  }
    
  curTopic = num;
  click=false;  

}

function mOver(num)
{
  buttons[num].style.backgroundImage = "url(/images/button_active_slider.png)";
  buttons[num].style.color = "#ffffff";
  
  	if(curTopic==num)
	{
		click=false;
	}
	else
	{
		click=true;	
	}
}

function mOut(num)
{
	if(click)
	{
	  buttons[num].style.backgroundImage = "url(/images/button_slider.png)";
	  buttons[num].style.color = "#565656";
	}
}