function cf(obj){if(obj.defaultValue==obj.value)obj.value="";}
function rf(obj){if(obj.value=="")obj.value=obj.defaultValue;}
function toggle(targetId){if(document.getElementById){target=document.getElementById(targetId);if(target.style.display=="none"){target.style.display="block";}else{target.style.display="none";}}}
function slide(targetId){if(document.getElementById){target=document.getElementById(targetId);if(target.style.display=="none"){new Effect.SlideDown(target);}else{new Effect.SlideUp(target);}}}
function slide(targetId){if(document.getElementById){target=document.getElementById(targetId);if(target.style.display=="none"){new Effect.SlideDown(target);}else{new Effect.SlideUp(target);}}}
function blind(targetId){if(document.getElementById){target=document.getElementById(targetId);if(target.style.display=="none"){new Effect.BlindDown(target);}else{new Effect.BlindUp(target);}}}