function selv(x)
	{
		document.getElementById('sel2').value='';
		document.getElementById('op1').innerHTML = '';
		document.getElementById('op2').innerHTML = '';
		document.getElementById('op3').innerHTML = '';
		document.getElementById('op4').innerHTML = '';
		document.getElementById('op5').innerHTML = '';
		document.getElementById('op6').innerHTML = '';
		document.getElementById('op7').innerHTML = '';
		document.getElementById('op8').innerHTML = '';
		document.getElementById('op9').innerHTML = '';
		document.getElementById('op10').innerHTML = '';
		document.getElementById('op1').style.visibility = 'hidden';
		document.getElementById('op2').style.visibility = 'hidden';
		document.getElementById('op3').style.visibility = 'hidden';
		document.getElementById('op4').style.visibility = 'hidden';
		document.getElementById('op5').style.visibility = 'hidden';
		document.getElementById('op6').style.visibility = 'hidden';
		document.getElementById('op7').style.visibility = 'hidden';
		document.getElementById('op8').style.visibility = 'hidden';
		document.getElementById('op9').style.visibility = 'hidden';
		document.getElementById('op10').style.visibility = 'hidden';
		document.getElementById('op1').style.display = 'none';
		document.getElementById('op2').style.display = 'none';
		document.getElementById('op3').style.display = 'none';
		document.getElementById('op4').style.display = 'none';
		document.getElementById('op5').style.display = 'none';
		document.getElementById('op6').style.display = 'none';
		document.getElementById('op7').style.display = 'none';
		document.getElementById('op8').style.display = 'none';
		document.getElementById('op9').style.display = 'none';
		document.getElementById('op10').style.display = 'none';
		
		
		if (x)
		{
			document.getElementById('op'+x).innerHTML = document.getElementById('second').innerHTML;
			document.getElementById('op'+x).style.visibility = 'visible';
			document.getElementById('op'+x).style.display = 'block';
		}	
	}
	
	function selv2(x)
	{
		document.getElementById('sel2').value=x;	
	}
	
	function sen()
	{
		
		if (document.getElementById('sel2').value)
		{
			document.getElementById('form1').submit();
		} else
		{
			alert('выберите вариант ответа');
		}
	}