// cookie functions
function setCookie(name, value, expires, path, domain, secure) 
{
	var curcookie;
	curcookie = name + "=" + escape(value);
	document.cookie = curcookie;
}
function getCookie(name) {
	var dc = document.cookie;
	var prefix = name + "=";
	var begin = dc.indexOf("; " + prefix);
	if (begin == -1) 
	{
    	begin = dc.indexOf(prefix);
		if (begin != 0) return null;
	} 
	else begin += 2;
	
	var end = document.cookie.indexOf(";", begin);
	if (end == -1) end = dc.length;
	return unescape(dc.substring(begin + prefix.length, end));
}
function hex_val(nr)
{
	if(nr >= 0 && nr <= 9)
	{
		return nr;
	}
	else
	{
		switch (nr)
		{
			case 10:
				return 'a';
			break;
			case 11:
				return 'b';
			break;
			case 12:
				return 'c';
			break;
			case 13:
				return 'd';
			break;
			case 14:
				return 'e';
			break;
			case 15:
				return 'f';
			break;
		}
	}
}
function dec_val(nr)
{
	if(nr <= 9)
	{
		return nr;
	}
	else
	{
		var nr = new String(nr);
		
		switch (nr.toLowerCase())
		{
			case 'a':
				return 10;
			break;
			case 'b':
				return 11;
			break;
			case 'c':
				return 12;
			break;
			case 'd':
				return 13;
			break;
			case 'e':
				return 14;
			break;
			case 'f':
				return 15;
			break;
		}
	}
}
function to_dec(nr)
{
	total = 0;
	// loop from rihgt to left, adding each found value to total
	var str_nr = new String(nr);
	for(i = str_nr.length - 1; i >= 0; i--)
	{
		// strip out the #
		current_char = str_nr.charAt(i);
		if(current_char != '#')
		{
			// multiply by 10 ^ distance from right - unit placeholder, dozen, 100, and so on
			power = str_nr.length - i - 1;
			total += (Math.pow(16, power)) * dec_val(current_char);
		}
	}
	return total;
}
function to_hex(nr)
{
	var output = new String();
	// find highest power
	power = 0;
	while(Math.pow(16, power + 1) < nr)
	{
		power++;
	}
	// loop from highest power
	current_val = nr;
	for(i = power; i >= 0; i--)
	{
		block_size = Math.pow(16, i);
		block_count = Math.floor(current_val / block_size);
		
		current_val -= (block_count * block_size);
		output += hex_val(block_count);
	}
	return output;
}
function highlight_bg(id)
{	
	current_bg = document.getElementById(id).style.backgroundColor;
	decimal_val = to_dec(current_bg);
	modifier = to_dec('0A0A0A');
	document.getElementById(id).style.backgroundColor = '#' + to_hex(decimal_val - modifier);
}
function MM_swapImgRestore() { //v3.0
var i,x,a=document.MM_sr;
for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0;
i<a.length; i++)
if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image;
d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
var p,i,x;  if(!d) d=document;
if((p=n.indexOf("?"))>0&&parent.frames.length) {
d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++)
x=d.forms[i][n];
for(i=0;!x&&d.layers&&i<d.layers.length;i++)
x=MM_findObj(n,d.layers[i].document);
if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array;
for(i=0;i<(a.length-2);i+=3)
if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc)
x.oSrc=x.src; x.src=a[i+2];}
}