function hide(div){
	Animation(document.getElementById(div)).to('height', '0px').to('opacity', 0).blind().hide().go();
}

function show(div){
	Animation(document.getElementById(div)).to('height', 'auto').from('0px').to('opacity', 1).from(0).blind().show().go();
}


function appear(div){
   fade_var(div, 1);
}

function fade(div){
   fade_var(div, 0.3);
}

function disapear(div){
	fade_var(div, 0.01);
}

function shrink(div){
	Animation(document.getElementById(div)).to('height', '0px').blind().hide().go();
}

function grow(div){
	Animation(document.getElementById(div)).to('height', 'auto').from('0px').blind().show().go();
}

function shrink_w(div){
	Animation(document.getElementById(div)).to('width', '0px').blind().hide().go();
}

function grow_w(div){
	Animation(document.getElementById(div)).to('width', 'auto').blind().show().go();
}

function fade_var(div, fade){
	Animation(document.getElementById(div)).to('opacity', fade).go();
}