var s = window.parent;

function open_website(url,title)
{
	if (url)
	{
		s.display_dialog(	'url',
							'http://' + url,
							title,
							850);
	}
}

function opacity(id, opacStart, opacEnd, millisec, doaction)
{
	var check_id	= document.getElementById(id);

	if (check_id != null)
	{
		//speed for each frame
		var speed = Math.round(millisec / 100);
		var timer = 0;

		//determine the direction for the blending, if start and end are the same nothing happens
		if(opacStart > opacEnd)
		{
			for(i = opacStart; i >= opacEnd; i--)
			{
				setTimeout("changeOpac(" + i + ",'" + id + "','" + doaction + "')",(timer * speed));
				timer++;
			}
		}
		else if(opacStart < opacEnd)
		{
			for(i = opacStart; i <= opacEnd; i++)
			{
				setTimeout("changeOpac(" + i + ",'" + id + "','" + doaction + "')",(timer * speed));
				timer++;
			}
		}
	}
}

//change the opacity for different browsers
function changeOpac(opacity, id, doaction)
{
	var check_id			= document.getElementById(id);

	try
	{
		var object			= check_id.style;
		object.opacity		= (opacity / 100);
		object.MozOpacity	= (opacity / 100);
		object.KhtmlOpacity	= (opacity / 100);
		object.filter		= "alpha(opacity=" + opacity + ")";

		if (opacity == 0 && doaction == 'remove')
		{
			var initial_div	= document.getElementById('initial_allocation_pane');
			var add_to		= document.getElementById('allocation_pane');

			add_to.removeChild(check_id);

			var div_prefix		= 'added_';
			var amount_divs		= document.getElementsByTagName('DIV');
			var	i				= 0;
			var count			= 0;

			while (el = amount_divs.item(i++))
			{
				if (el.id.substr(0,div_prefix.length) == div_prefix)
				{
					count++;
				}
			}

			if (count == 0)
			{
				initial_div.style.display	= '';
			}
		}
	}
	catch(err)
	{
	}
}

function collapse_expand(div_id, direction)
{
	var divh		= document.getElementById(div_id);
	var heightvar	= divh.offsetHeight;
	var speed		= Math.round(1000 / 100);
	var timer		= 0;

	if (direction == 'shrink' && 0)
	{
		for (x=heightvar; x>=0; x--)
		{
			setTimeout("reduce_div(" + div_id + "," + x + ")",(timer * speed));
			timer++;
		}
	}
}

function reduce_div(div_id,x)
{
	if (x <= 0)
	{
		var divh				= document.getElementById(div_id);
		divh.style.display		= 'none';
	}
	else
	{
		var check_id			= document.getElementById(div_id);
		check_id.style.height	= x + 'px';
	}
}

function count_divs(div_prefix)
{
	var allDIVS = document.getElementsByTagName('DIV');
	var el, i = 0, howmany = 0;
	while (el = allDIVS.item(i++)) if (el.id.substr(0,div_prefix.length) == div_prefix) howmany++;
	return howmany;
}

function sum_allocations(div_prefix)
{
	var allInputs = document.getElementsByTagName('INPUT');
	var el, i = 0, subtotal = 0, empty_count = 0;
	var result_check = [];

	while (el = allInputs.item(i++))
	{
		if (el.id.substr(0,div_prefix.length) == div_prefix)
		{
			if (el.value != parseInt(el.value))
			{
				el.value	= '';
				empty_count++;
			}

			if (isNaN(parseInt(el.value)) || el.value == '' || el.value == '0')
			{
				subtotal += 0;
				empty_count++;
			}
			else
			{
				subtotal += parseInt(el.value);
			}
		}
	}

	result_check['empty']	= empty_count;
	result_check['total']	= subtotal;

	return result_check;
}


function display_totals(div_id)
{
	var target_div			= document.getElementById(div_id);
	var header_div			= document.getElementById('allocation_header');
	var charity_count		= count_divs('added_');
	var allocation			= sum_allocations('amount_');
	var sum_of_allocations	= allocation['total'];
	var empty_allocations	= allocation['empty'];
	var diff_amount			=  - sum_of_allocations;

	if (isNaN(diff_amount))
	{
		diff_amount			= 0;
	}

	var curr_status			= '';
	var curr_difference		= Math.abs(diff_amount);

	if (charity_count == 0)
	{
		curr_status	= '<span style="color:#AA0000;">Please add charities below to allocate your remaining $.</span>';
	}
	else
	{
		if (empty_allocations > 0)
		{
			curr_status	= '<span style="color:#AA0000;">Every charity needs an allocation amount.<span>';
		}
		else
		{
			if (diff_amount < 0)
			{
				curr_status	= '<span style="color:#AA0000;">Please remove $' + curr_difference + ' from the allocations below.<span>';
			}
			else if (diff_amount > 0)
			{
				curr_status	= '<span style="color:#AA0000;">Please add $' + curr_difference + ' from the allocations below.</span>';
			}
			else if (diff_amount == 0)
			{
				curr_status	= '<span style="color:#00AA00;">Perfect, you are done!</span>';
			}
		}
	}

	var overlib_msg	= "'Click this button to allocate your remaining balance of $" + curr_difference + " evenly across your " + charity_count +  " charities.',CAPTION,'ALLOCATE REMAINING $" + curr_difference + "'";

	if (charity_count == 0)
	{
		overlib_msg	= "'You must add at least one charity.',CAPTION,'NO CHARITIES ADDED',BGCOLOR,'#990000'";
	}
	else
	{
		if (curr_difference == 0)
		{
			overlib_msg	= "'You have no remaining balance left to allocate.',CAPTION,'NO BALANCE REMAINING',BGCOLOR,'#990000'";
		}
	}

	header_div.innerHTML	=	'<table width="400" cellpadding="1" cellspacing="0" border="0">' +
								'<tr>' +
								'	<td style="font-weight:bold;color:#000099;font-size:11pt;" align="center">ALLOCATE $ TO THE CHARITIES<br>YOU HAVE ADDED BELOW.</td>' +
								'</tr>' +
								'<tr>' +
								'	<td align="center">' + curr_status + '</td>' +
								'</tr>' +
								'</table>';


	target_div.innerHTML	= 	'<table width="350" cellpadding="1" cellspacing="0" border="0" align="center">' +
								'<tr>' +
								'	<td align="left" style="font-weight:bold;font-size:7pt;color:#999999;" rowspan="3" valign="top">' + charity_count + ' CHARITIES ADDED<br><a href="javascript:distribute_evenly(' + diff_amount + ');" onMouseOver="return overlib(' + overlib_msg + ');" onMouseOut="return nd();"><img src="/images/charity_search/distribute_remainder_button.png" height="38" width="95" border="0"></a></td>' +
								'	<td align="right" style="font-weight:bold;font-size:8pt;">ALLOCATION TOTAL:</td>' +
								'	<td align="right" style="font-size:8pt;" width="50" nowrap="true">$' + sum_of_allocations + '</td>' +
								'</tr>' +
								'<tr>' +
								'	<td align="right" style="font-weight:bold;font-size:8pt;padding-bottom:2px;border-bottom:1px solid #999999;color:#000099;">TOTAL AMOUNT:</td>' +
								'	<td align="right" style="font-size:8pt;padding-bottom:2px;border-bottom:1px solid #999999;color:#000099;" nowrap="true">$</td>' +
								'</td>' +
								'<tr>' +
								'	<td align="right" style="font-weight:bold;font-size:8pt;">REMAINING:</td>' +
								'	<td align="right" style="font-size:8pt;" nowrap="true">$' + curr_difference + '</td>' +
								'</td>' +
								'</table>';
}

function distribute_evenly(diff)
{
	var div_prefix		= 'amount_';
	var allInputs		= document.getElementsByTagName('INPUT');
	var el;
	var i				= 0;
	var subtotal		= 0;
	var count			= 0;
	var divided			= 0;
	var whole_remainder	= 0;
	var	amount_fields	= [];

	while (el = allInputs.item(i++))
	{
		if (el.id.substr(0,div_prefix.length) == div_prefix)
		{
			count++;

			var field_value			= returnNumber(el.value);
			var field_id			= el.id;
			var info_array			= [field_value, field_id];

			amount_fields[count]	= info_array;
		}
	}

	divided	= parseInt(diff/count);

	whole_remainder	= diff - divided * count;

	for (i=1;i<=count;i++)
	{
		a			= amount_fields[i][0];
		field		= document.getElementById(amount_fields[i][1]);
		field.value	= a + divided;
	}

	if (whole_remainder > 0)
	{
		for (i=1;i<=whole_remainder;i++)
		{
			field	= document.getElementById(amount_fields[i][1]);
			field.value	= returnNumber(field.value) + i;
		}
	}

	//alert('integer divided:' + divided + '  whole number remainder:' + whole_remainder);
}

function returnNumber(input_num)
{
	numvar	= Number(input_num.replace(/[^0-9-.]/g, ""));
	return numvar;
}

function isNumericKey(e)
{
	var k = document.all ? e.keyCode : e.which;
	return ((k > 47 && k < 58) || k == 8 || k == 0);
}

function extractNumeric(str)
{
	return str.replace(/\D/g,"");
}