// Algemene functies
// Koekjesfuncties komen van hier: http://www.quirksmode.org/js/cookies.html
function createCookie(name, value, days) {
	try{
		var expires = "";
	
		if (days){
			var date = new Date();
			date.setTime(date.getTime() + (days * 24 * 60 * 60 * 1000));
			expires = "; expires=" + date.toGMTString();
		}
		
		document.cookie = name + "=" + value + expires + "; path=/";
	}catch(e){}	
}

function readCookie(name) {
	try{
		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;
		
	}
	catch(e){
		return null
	}	
}

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