var x = 2;
var y = 0;


function show_hidden_inputs(button,group,x) {
if (document.getElementById(group + x).style.display == 'none') {
        document.getElementById(group + x).style.display = 'block';
        x = x+1;
} else {
         x = x+1;
         if (x >= 6) {
	         document.getElementById(button).disabled = true; document.getElementById(button).style.display = 'none';
	 } else {
	         x = show_hidden_inputs(button,group,x);
	 }
       }
if (x >= 6) { document.getElementById(button).disabled = true; document.getElementById(button).style.display = 'none';}
return(x);
}

function hide_inputs(button,group,y) {
	if (document.getElementById(group + y).style.display == 'block') {
	document.getElementById(group + y).style.display = 'none';
	}
	if (document.getElementById(button).disabled == true) {
	document.getElementById(button).disabled = false; document.getElementById(button).style.display = 'inline-block';
	}
	var x=2;
return(x);
}

function show_one_input(group,button,inputson) {
var goood=0;
if(inputson>4) {document.getElementById(button).disabled = true; document.getElementById(button).style.display = 'none'; return;}
	for(var ii=1; (ii<6) && (goood<1) ; ii++ )
	{
		var nextelement = group+ii;
		
	if (document.getElementById(nextelement).style.display == 'none')
		{
		document.getElementById(nextelement).style.display = '';
		document.getElementById(nextelement).disabled = false;
			inputson = inputson+1;
			if(inputson>4) {document.getElementById(button).disabled = true; document.getElementById(button).style.display = 'none'; return(5);}
			goood=1; break;
		}
	}
return(inputson);
}

function hide_one_input(group,button,number,inputson) {
	if (document.getElementById(group + number).style.display == '')
		{
		document.getElementById(group + number).value = false; 
		document.getElementById(group + number).style.display = 'none';
		document.getElementById(group + number).disabled = true; 
		inputson = inputson-1;
		}
		if (document.getElementById(button).disabled == true)
			{
			document.getElementById(button).disabled = false;
			document.getElementById(button).style.display = 'inline-block';
			}
return(inputson);
}