function boxlink(box,nr) {
	
	for (i = 1; i < 5; i++) {
		if (i != nr) {
			var s = document.getElementById("box" + box + "-link" + i);
			if (s != undefined) {
				
				s.style.background = '#e4e4e4'
				s.style.border = '1px solid #c5c5c5'
				s.style.borderBottom = 0
				s.style.marginBottom = '1px'
				s.style.paddingBottom = '5px'
				s.style.color = '#6d6d6d'
				if(i!=1) s.style.borderLeftWidth = 0
				if(i+1==nr) s.style.borderRightWidth = 0
			}
		}
	}
	var l = document.getElementById("box" + box + "-link" + nr)
	l.style.background = 'white'
	l.style.border = '1px solid #9f9f9f'
	l.style.borderBottom = 0
	l.style.marginBottom = 0
	l.style.paddingBottom = '6px'
	l.style.color = '#333333'
}