function go(link)
{
	document.location=link;	
}
function On(word, pic)
{
	document.getElementById(word).className='link-a';
	document.getElementById(pic).className='link-pic-a';
}
function Off(word, pic)
{
	document.getElementById(word).className='link-d';
	document.getElementById(pic).className='link-pic-d';
}