// function to convert rgb to hex color value
function rgbToHex(rgb) 
{
	var rgbvals = /rgb\((.+),(.+),(.+)\)/i.exec(rgb);
	var rval = parseInt(rgbvals[1]);
	var gval = parseInt(rgbvals[2]);
	var bval = parseInt(rgbvals[3]);
	var rgbStrVals = new Array();
	for (var i=1; i<=3; i++) 
	{
		var val = parseInt(rgbvals[i]);
		if (val.toString(16).length == 1) 
		{
			rgbStrVals[i] = ('0' + val.toString(16)).toUpperCase();
		} 
		else 
		{
			rgbStrVals[i] = (val.toString(16)).toUpperCase();
		}
	}
	var hex = '#' + rgbStrVals[1] + rgbStrVals[2] + rgbStrVals[3];
	return hex;
}

// function to return an object containing query string variables
function getUrlVars() 
{
	var map = {};
	var parts = window.location.href.replace(/[?&]+([^=&]+)=([^&]*)/gi, function(m,key,value) 
	{
		map[key] = value;
	});
	return map;
}

function createCookie(name,value,days) 
{
	if (days) 
	{
		var date = new Date();
		date.setTime( date.getTime() + (days*24*60*60*1000) );
		var expires = '; expires=' + date.toGMTString();
	}
	else var expires = '';
	document.cookie = name + '=' + value + expires + '; path=/';
}

function readCookie(name) 
{
	var nameEQ = name + '=';
	var ca = document.cookie.split(';');
	for(var i=0;i < ca.length;i++) 
	{
		var c = ca[i];
		while (c.charAt(0 )== ' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
	}
	return null;
}

function eraseCookie(name) 
{
	createCookie(name,'',-1);
}