/********************
* Cookie methods
*********************/
function chkCookies() {
	var cookieEnabled=(navigator.cookieEnabled)? true : false
	
	if (typeof navigator.cookieEnabled=="undefined" && !cookieEnabled){ 
		document.cookie="testcookie";
		cookieEnabled=(document.cookie=="testcookie")? true : false
		document.cookie="";
	}
	if (!window.navigator.cookieEnabled) {
		alert("Please enable cookies on your browser to use this form");
		return false;
	}
	else return true;
}
function deleteCookie() {
	if (document.cookie != "") {
		if (confirm("Do you want to delete the cookies?")){
			expireDate = new Date;
			expireDate.setDate(expireDate.getDate()-1);
			
			thisCookie = document.cookie.split("; ");			   
			for (i=0; i<thisCookie.length; i++) {
				cookieName = thisCookie[i].split("==")[0];
				document.cookie = cookieName + "=;expires=" + expireDate.toGMTString();
			}
			alert("Number of cookies deleted: " + thisCookie.length);
		}
	}
}
//eg. setCookie('step1Cookie',cookieValue,0); //trash cookie when browser is closed*/
function setCookie(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+"="+escape(value)+expires+"; path=/";
}
//eg. getCookie('step1Cookie');
function getCookie(name) {
	var nameEQ = name + "=";
	var ca = document.cookie.split(';');
	for(var i=0;i<ca.length;i++){
		var c = unescape(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) {
	setCookie(name,"",-1);
}