function Appear(speed,element)
{if(!Element.visible(element))
{Effect.Appear(element,{duration:speed});}}
function Disappear(speed,element)
{Effect.Fade(element,{duration:speed});}
function openUp(element)
{closeAll();Appear(0.3,element);}
function closeAll()
{var descriptions=document.getElementsByClassName('informationdiv');for(var i=0;i<descriptions.length;i++)
{Disappear(0,descriptions[i]);}}