var currentColor;
var newColorPos;
siteColors = new Array(3)
siteColors[1] = '#8ACA1C';
siteColors[2] = '#E8641B';
siteColors[3] = '#F6D200';

whichColor = new Array(3)
whichColor['#8ACA1C'] = 'green';
whichColor['#E8641B'] = 'orange';
whichColor['#F6D200'] = 'yellow';


function getRandomNum() {
	return (Math.floor(Math.random() * (4 - 1)) + 1);
}

var expDays = 1;
var exp = new Date(); 
exp.setTime(exp.getTime() + (expDays*24*60*60*1000));

function color(){
	var oldColor = GetCookie('color');
	
	if (oldColor == null) {
		// alert('test');
		currentColor= siteColors[1];
		SetCookie('color', currentColor, exp);
	} else {
		while (newColorPos == null) {
			tempPos = getRandomNum();
			
			if (siteColors[tempPos] != oldColor) {
				currentColor= siteColors[tempPos];
				SetCookie('color', currentColor, exp);
				newColorPos = tempPos;
			}
		}
	}	
}

function getCookieVal (offset) {  
	var endstr = document.cookie.indexOf (";", offset);  
	if (endstr == -1)    
		endstr = document.cookie.length;  
		return unescape(document.cookie.substring(offset, endstr));
	}
	function GetCookie (name) {  
	var arg = name + "=";  
	var alen = arg.length;  
	var clen = document.cookie.length;  
	var i = 0;  
	while (i < clen) {    
	var j = i + alen;    
	if (document.cookie.substring(i, j) == arg)      
		return getCookieVal (j);    
		i = document.cookie.indexOf(" ", i) + 1;    
		if (i == 0) break;   
	}  
	return null;
}

function SetCookie (name, value) {  
	var argv = SetCookie.arguments;  
	var argc = SetCookie.arguments.length;  
	var expires = (argc > 2) ? argv[2] : null;  
	var path = (argc > 3) ? argv[3] : null;  
	var domain = (argc > 4) ? argv[4] : null;  
	var secure = (argc > 5) ? argv[5] : false;  
	document.cookie = name + "=" + escape (value) + 
	((expires == null) ? "" : ("; expires=" + expires.toGMTString())) + 
	((path == null) ? "" : ("; path=" + path)) +  
	((domain == null) ? "" : ("; domain=" + domain)) +    
	((secure == true) ? "; secure" : "");
}

function DeleteCookie (name) {  
	var exp = new Date();  
	exp.setTime (exp.getTime() - 1);  
	var cval = GetCookie (name);  
	document.cookie = name + "=" + cval + "; expires=" + exp.toGMTString();
}

color();

var path = whichColor[currentColor];