var bar_length = 300; // the bar will be this many pixels long
var bar_height = 10; // the bar will be this many pixels high
var bar_color = "red"; // the progress bar color
var bar_background = "white"; // the color of the empty part of bar
var bar_border = "";  // the color of the bar border
var window_background = ""; // the color of the pop-up window
var window_border = ""; // the border color of pop-up window
var text_color = "blaxk"; // the color of the percentage text (50%)
var display_close_button = 0; // 1 = on; 0 = off
var wait = 5000; // How many milliseconds to wait for other browsers
var more = 0; // Add more to the bar ever second
var doneyet = 0;  // changes to 1 when the DOM is done loading


function setup_bar()
{
	window_width = bar_length + 50;
	window_height = bar_height + 50;
	
	if (document.all) 
	{
		bar_height2 = bar_height - 2; 
		bar_width2 = bar_length + 3;
	}
	else
	{
		bar_height2 = bar_height;
		bar_width2 = bar_length + 1;
	}
	document.write('<div id="bar_window" style="position: absolute;'
		+ 'top: ' + ((screen.height - window_height)/2) + 'px'
		+ ';left: ' + ((screen.width - window_width)/2) + 'px'
		+ ';border: 0px solid ' + window_border
		+ ';background-color: ' + window_background
		+ ';width: ' + window_width + 'px'
		+ ';height: ' + window_height + 'px'
		+ ';color: ' + text_color
		+ ';" onClick="close_bar()">');
	
	if (display_close_button)
	{
		document.write('<div style="position=absolute;'
			+ 'top: 0' + 'px'
			+ ';left: 0' + 'px'
			+ ';width: ' + (window_width - 3) + 'px'
			+ ';background-color: ' + window_background
			+ ';color: ' + text_color
			+ ';text-align: right'
			+ ';">');
		document.write('[X]</div>');
	}

	document.write('<div id="empty_bar" style="position: absolute;'
		+ 'top: ' + 25 + 'px'
		+ ';left: ' + 25 + 'px'
		+ ';border: 1px solid ' + bar_border
		+ ';background-color: ' + bar_background
		+ ';width: ' + bar_width2 + 'px'
		+ ';height: ' + bar_height + 'px'
		+ ';">');
	document.write('</div>'); 
	document.write('<div id="bar" style="position: absolute;'
		+ 'top: ' + 26 + 'px'
		+ ';left: ' + 26 + 'px'
		+ ';background-color: ' + bar_color
		+ ';width: ' + 0 + 'px'
		+ ';height: ' + bar_height2 + 'px'
		+ ';">');
	document.write('</div>'); 
	document.write('<div id="percent" style="position: absolute;'
		+ 'top: ' + 25 + 'px'
		+ ';width: ' + window_width + 'px'
		+ ';text-align: center'
		+ ';vertical-align: middle'
		+ ';color: ' + text_color
		+ ';font-size: ' + bar_height + 'px'
		+ ';">');
	document.write('0%'); 
	document.write('</div>');  
	
	document.write('</div>'); 
	
		
} 

function progress_bar()
{
var image_count = document.getElementsByTagName("img").length;
var image_array = document.getElementsByTagName("img");
var bar_part = Math.round(bar_length / image_count);
var bar_perc = Math.round(100 / image_count);
	
	var new_width = 0; 
	var j = 0;
	var percent = 0;	
	for (var i = 0; i < image_count; i++)
	{
		if (image_array[i].complete)
		{
			percent = percent + bar_perc;
			new_width = new_width + bar_part;
			j++;
		}
	}
	 if (new_width <= parseFloat(document.getElementById('bar').style.width)
		&& new_width < (j*bar_part + bar_part))
	{
		more = more + .50;
		new_width = new_width + Math.round(more);	 
		percent = percent + Math.round(more);
	}
	else
		more = 0; 
	document.getElementById('percent').innerHTML = percent + '%';
	document.getElementById('bar').style.width = new_width + 'px';
	if (j < image_count || j == 0 || doneyet == 0)
		setTimeout('progress_bar();', 500); 
	else
		setTimeout('close_bar();', 500); 
} 

function close_bar()
{
	document.getElementById('bar_window').style.visibility = 'hidden';

}  
if(document.readyState)	
{
	document.onreadystatechange=checkstate;
}
else if (document.addEventListener) 
{
	document.addEventListener("DOMContentLoaded", saydone, false);
}

	
function checkstate()
{
	if (document.readyState=="complete" ||
		document.readyState=="complete")
		doneyet = 1;

} 

function saydone()
{
	doneyet = 1;
} 
setTimeout('saydone();', wait);


setup_bar(); 
progress_bar();