function tdctrl(hfname){
	hfurl0 = document.getElementById('td0').style;
	hfurl1 = document.getElementById('td1').style;
	hfurl2 = document.getElementById('td2').style;
	hfurl3 = document.getElementById('td3').style;
	hfurl4 = document.getElementById('td4').style;
	hfurl5 = document.getElementById('td5').style;
	hfurl6 = document.getElementById('td6').style;
	hfurl0.display = 'none';
	hfurl1.display = 'none';
	hfurl2.display = 'none';
	hfurl3.display = 'none';
	hfurl4.display = 'none';
	hfurl5.display = 'none';
	hfurl6.display = 'none';
	if (hfname == "td1"){
	hfurl1.display = 'block';
	hfurl4.display = 'block';
	}else{
	hfurl2.display = 'block';
	if (hfname == "td3"){
	hfurl2.display = 'none';
	hfurl3.display = 'block';
	}else{
	if (hfname == "td5"){
	hfurl2.display = 'none';
	hfurl5.display = 'block';
	}
	if (hfname == "td6"){
	hfurl2.display = 'none';
	hfurl6.display = 'block';
	}
	}
	}
}