function upeffect(cur){
	if (document.getElementById)
	cur.className='buttonup' ;
	}

function normaleffect(cur){
	if (document.getElementById)
	cur.className='button' ;
	}
	
function upeffect2(cur){
	if (document.getElementById)
	cur.className='buttonup2' ;
	}

function normaleffect2(cur){
	if (document.getElementById)
	cur.className='button2' ;
	}
	
function upeffect3(cur){
	if (document.getElementById)
	cur.className='buttonup3' ;
	}

function normaleffect3(cur){
	if (document.getElementById)
	cur.className='button3' ;
	}