var sliderIntervalId = 0;
		var sliderWidth = 620;
		var sliding = false;
		var slideSpeed = 10;
		var panelwidth = 620;
		
		function aktiver()
		{
			 slider = document.getElementById('handtak');
		   pic =  document.getElementById('pic');
		   if(pic.src == 'images/08tekstmm.png')
		   {
		      pic.src = 'images/08tekstmm_overlay.png'
		      
		   }
		   else
		   {
		      pic.src = 'images/08tekstmm.png'
		   }
		}
		
		function Slide()
		{
		   if(sliding)
		      return;
		   sliding = true;
	
		   if(sliderWidth == panelwidth)
		      sliderIntervalId = setInterval('SlideUpRun()', 30);
		   else
		      sliderIntervalId = setInterval('SlideDownRun()', 30);
		}
		
		function SlideUpRun()
		{
		   slider = document.getElementById('handtak');
		   if(sliderWidth <= 17)
		   {
		      sliding = false;
		      sliderWidth = 17;
		      slider.style.width = '17px';
		      slider.style.marginLeft = '480px';
		      clearInterval(sliderIntervalId);
		      
		   }
		   else
		   {
		      sliderWidth -= slideSpeed;
		      if(sliderWidth <17)
		         sliderWidth = 17;
		      slider.style.width = sliderWidth + 'px';
		      slider.style.marginLeft = (498 - sliderWidth) + 'px';
		   }
		}
		
		function SlideDownRun()
		{
		   slider = document.getElementById('handtak');
		   if(sliderWidth>= panelwidth)
		   {
		      sliding = false;
		      sliderWidth = panelwidth;
		      slider.style.width = panelwidth + 'px';
		      clearInterval(sliderIntervalId);
		   }
		   else
		   {
		      sliderWidth += slideSpeed;
		      if(sliderWidth> panelwidth)
		         sliderWidth = panelwidth;
		      slider.style.width = sliderWidth + 'px';
		      slider.style.marginLeft = (498 - sliderWidth) + 'px';
	
		   }
		}