function show_load()
{
	ast1 = document.getElementById && document.getElementById('ast1');
	rep1 = document.getElementById && document.getElementById('rep1');
	ast1.checked = false;
	rep1.disabled = true;
	ast2 = document.getElementById && document.getElementById('ast2');
	rep2 = document.getElementById && document.getElementById('rep2');
	ast2.checked = false;
	rep2.disabled = true;
	ast3 = document.getElementById && document.getElementById('ast3');
	rep3 = document.getElementById && document.getElementById('rep3');
	ast3.checked = false;
	rep3.disabled = true;
	ast4 = document.getElementById && document.getElementById('ast4');
	rep4 = document.getElementById && document.getElementById('rep4');
	ast4.checked = false;
	rep4.disabled = true;	
}

function ast1Click()
{
	ast1 = document.getElementById && document.getElementById('ast1');
	rep1 = document.getElementById && document.getElementById('rep1');

	if (ast1.checked)
	{
		rep1.disabled = false;
	}
	else
	{
		rep1.disabled = true;
	}	
}
function ast2Click()
{
	ast2 = document.getElementById && document.getElementById('ast2');
	rep2 = document.getElementById && document.getElementById('rep2');

	if (ast2.checked)
	{
		rep2.disabled = false;
	}
	else
	{
		rep2.disabled = true;
	}	
}
function ast3Click()
{
	ast3 = document.getElementById && document.getElementById('ast3');
	rep3 = document.getElementById && document.getElementById('rep3');

	if (ast3.checked)
	{
		rep3.disabled = false;
	}
	else
	{
		rep3.disabled = true;
	}
}
function ast4Click()
{
	ast4 = document.getElementById && document.getElementById('ast4');
	rep4 = document.getElementById && document.getElementById('rep4');

	if (ast4.checked)
	{
		rep4.disabled = false;
	}
	else
	{
		rep4.disabled = true;
	}
}