<!-- 
function mark_all (check) 
{ 
	if(document.compare.markera.value == "Markera alla")
	{
  		var mark_fields = document.getElementsByName('compare[]'); 
  		for (i=0; i<mark_fields.length; i++) 
		{ 
    		mark_fields[i].checked = true; 
			document.compare.markera.value = "Avmarkera alla"
		}
  	} 
	else
	{
		var mark_fields = document.getElementsByName('compare[]'); 
  		for (i=0; i<mark_fields.length; i++) 
		{ 
    		mark_fields[i].checked = false; 
			document.compare.markera.value = "Markera alla"
		}
	}
}