/* -----------------------------------------------------------------------------
	myQuiltGenie - NAME TYPE - scripts
----------------------------------------------------------------------------- */
var fab_width	= 42;

//	calc_block(size, num);
function calc_block(size, num) 
{
	var strip_width	= size + 0.5, 
	num_strips			= calc_strips(strip_width, num), 
	fab_yds				= calc_yds_str(strip_width, num_strips), 
	cut_instr			= format_cut_instr(strip_width, num_strips);
	element_inner('mgq_info', format_mgq_info(num, size), false);
	element_inner('fab_1', ' - ' + fab_yds + cut_instr, false);
	element_inner('fab_2', ' - ' + fab_yds + cut_instr, false);
	element_inner('mgq_num_units', 'Makes ' + num + ' half square triangle' + ((num > 1) ? 's' : '') + '.', false);
}

//	calc_quilt(size, cols, rows);
function calc_quilt(size, cols, rows) 
{
	
}

//	update_page();
function update_page() 
{
	var size	= Number(document.mgq_form.block_size.value), 
		num		= 0, 
		cols	= 0, 
		rows	= 0;
	fab_width	= Number(document.mgq_form.fab_width.value);
	if (document.mgq_form.num_blocks) 
	{
		num		= Number(document.mgq_form.num_blocks.value);
		if (calc_block) 
		{
			calc_block(size, num);
		}
	}
	else 
	{
		cols	= Number(document.mgq_form.num_cols.value);
		rows	= Number(document.mgq_form.num_rows.value);
		if (calc_quilt) 
		{
			calc_quilt(size, cols, rows);
		}
	}
}

//	start_page();
function start_page() 
{
	document.mgq_form.block_size.disabled	= '';
	document.mgq_form.fab_width.disabled	= '';
	if (document.mgq_form.num_blocks) 
	{
		document.mgq_form.num_blocks.disabled	= '';
	}
	else 
	{
		document.mgq_form.num_cols.disabled	= '';
		document.mgq_form.num_rows.disabled	= '';
	}
}