function check_mode()
{
	if(document.corporation.csel[0].checked == true)
	{
		document.corporation.code.disabled = false;
		document.corporation.market.disabled = true;
		document.corporation.name.disabled = true;
		document.corporation.address.disabled = true;
		document.corporation.sector.disabled = true;
	}
	else if(document.corporation.csel[1].checked == true)
	{
		document.corporation.code.disabled = true;
		document.corporation.market.disabled = false;
		document.corporation.name.disabled = true;
		document.corporation.address.disabled = true;
		document.corporation.sector.disabled = true;
	}
	else if(document.corporation.csel[2].checked == true)
	{
		document.corporation.code.disabled = true;
		document.corporation.market.disabled = true;
		document.corporation.name.disabled = false;
		document.corporation.address.disabled = true;
		document.corporation.sector.disabled = true;
	}
	else if(document.corporation.csel[3].checked == true)
	{
		document.corporation.code.disabled = true;
		document.corporation.market.disabled = true;
		document.corporation.name.disabled = true;
		document.corporation.address.disabled = false;
		document.corporation.sector.disabled = true;
	}
	else if(document.corporation.csel[4].checked == true)
	{
		document.corporation.code.disabled = true;
		document.corporation.market.disabled = true;
		document.corporation.name.disabled = true;
		document.corporation.address.disabled = true;
		document.corporation.sector.disabled = false;
	}
}
function disp_list(){
	if(document.corporation.csel[0].checked == true && document.corporation.code.value != "")
	{
		window.location.href = document.corporation.code.value;
	}
	else if(document.corporation.csel[1].checked == true && document.corporation.market.value != "")
	{
		window.location.href = document.corporation.market.value;
	}
	else if(document.corporation.csel[2].checked == true && document.corporation.name.value != "")
	{
		window.location.href = document.corporation.name.value;
	}
	else if(document.corporation.csel[3].checked == true && document.corporation.address.value != "")
	{
		window.location.href = document.corporation.address.value;
	}
	else if(document.corporation.csel[4].checked == true && document.corporation.sector.value != "")
	{
		window.location.href = document.corporation.sector.value;
	}
}
function showTree(id)
{
	document.getElementById(id).style.display='block';
}
function hideTree(id)
{
	document.getElementById(id).style.display='none';
}