function not_important_firm(from)
{
	if (from==document.getElementById('firm_not_important'))
	{
		if (document.getElementById('firm_not_important').checked==true)
		{
			for (var i = 0; i < firms_id.length; i++)
			{
				document.getElementById('select_firm['+firms_id[i]+']').checked=false;
			}
		}
		else
		{
			flag = 0;
			for (var i = 0; i < firms_id.length; i++)
			{
				if (document.getElementById('select_firm['+firms_id[i]+']').checked==true) flag = 1;
			}
			if (flag==0) document.getElementById('firm_not_important').checked=true;
		}
	}
	else
	{
		if (from.checked==true) document.getElementById('firm_not_important').checked=false;
		else
		{
			flag = 0;
			for (var i = 0; i < firms_id.length; i++)
			{
				if (document.getElementById('select_firm['+firms_id[i]+']').checked==true) flag = 1;
			}
			if (flag==0) document.getElementById('firm_not_important').checked=true;
		}
	}
}

function not_important_rigidity(from)
{
	if (from==document.getElementById('rigidity_not_important'))
	{
		if (document.getElementById('rigidity_not_important').checked==true)
		{
			document.getElementById('rigidity_high').checked=false;
			document.getElementById('rigidity_medium').checked=false;
			document.getElementById('rigidity_low').checked=false;
			document.getElementById('rigidity_high_and_medium').checked=false;
			document.getElementById('rigidity_high_and_low').checked=false;
			document.getElementById('rigidity_medium_and_low').checked=false;
		}
		else
		{
			flag = 0;
			if (document.getElementById('rigidity_high').checked==true)  flag = 1;
			if (document.getElementById('rigidity_medium').checked==true)  flag = 1;
			if (document.getElementById('rigidity_low').checked==true)  flag = 1;
			if (document.getElementById('rigidity_high_and_medium').checked==true) flag = 1;
			if (document.getElementById('rigidity_high_and_low').checked==true) flag = 1;
			if (document.getElementById('rigidity_medium_and_low').checked==true) flag = 1;
			if (flag==0) document.getElementById('rigidity_not_important').checked=true;
		}
	}
	else
	{
		if (from.checked==true) document.getElementById('rigidity_not_important').checked=false;
		else
		{
			flag = 0;
			if (document.getElementById('rigidity_high').checked==true)  flag = 1;
			if (document.getElementById('rigidity_medium').checked==true)  flag = 1;
			if (document.getElementById('rigidity_low').checked==true)  flag = 1;
			if (document.getElementById('rigidity_high_and_medium').checked==true) flag = 1;
			if (document.getElementById('rigidity_high_and_low').checked==true) flag = 1;
			if (document.getElementById('rigidity_medium_and_low').checked==true) flag = 1;
			if (flag==0) document.getElementById('rigidity_not_important').checked=true;
		}
	}
}

function not_important_base(from)
{
	if (from==document.getElementById('base_not_important'))
	{
		if (document.getElementById('base_not_important').checked==true)
		{
			document.getElementById('dependent').checked   = false;
			document.getElementById('independent').checked = false;
			document.getElementById('multipocket').checked = false;
			document.getElementById('duet').checked        = false;
			document.getElementById('springless').checked  = false;
		}
		else
		{
			flag = 0;
			if (document.getElementById('dependent').checked==true)   flag = 1;
			if (document.getElementById('independent').checked==true) flag = 1;
			if (document.getElementById('multipocket').checked==true) flag = 1;
			if (document.getElementById('duet').checked==true)        flag = 1;
			if (document.getElementById('springless').checked==true)  flag = 1;
			if (flag==0) document.getElementById('base_not_important').checked=true;
		}
	}
	else
	{
		if (from.checked==true) document.getElementById('base_not_important').checked=false;
		else
		{
			flag = 0;
			if (document.getElementById('dependent').checked==true)   flag = 1;
			if (document.getElementById('independent').checked==true) flag = 1;
			if (document.getElementById('multipocket').checked==true) flag = 1;
			if (document.getElementById('duet').checked==true)        flag = 1;
			if (document.getElementById('springless').checked==true)  flag = 1;
			if (flag==0) document.getElementById('base_not_important').checked=true;
		}
	}
}