function ShowLink(number_link)
{
	document.getElementById('link_'+number_link).style.color = '#cccccc';
	document.getElementById('link_'+number_link+number_link).style.color = '#cccccc';
}

function HideLink(number_link)
{
	document.getElementById('link_'+number_link).style.color = '#647387';
	document.getElementById('link_'+number_link+number_link).style.color = '#647387';
}