function changeColor(a){
	b = document.getElementById(a.name).className
	c = b+'_focus'
	document.getElementById(a.name).className=c
//	a.style.backgroundColor='#F2E9CE';
}
function changeBack(a){
	b = document.getElementById(a.name).className
	c = b.substring(0, b.length-6)
	document.getElementById(a.name).className=c
}
function changeButton(a){ 

	if (document.getElementById(a).className=='button_link_over') {
		document.getElementById(a).className='button_link';
		//alert('Change to :buttons')
	} else if (document.getElementById(a).className=='button_link') {
		document.getElementById(a).className='button_link_over';
		//alert('Change to :buttonsover')

	} else if (document.getElementById(a).className=='button_link_over_small') {
		document.getElementById(a).className='button_link_small';
		//alert('Change to :buttonsover')

	} else if (document.getElementById(a).className=='button_link_small') {
		document.getElementById(a).className='button_link_over_small';
		//alert('Change to :buttonsover')
	}
}