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);
}

function fill_first_name_from_cookie(){
	var first_name=readCookie('first_name');
	var email=readCookie('email');
	if(first_name && email){
		var inputs=document.getElementsByTagName('input');
		for(var i=0; i<inputs.length; i++){
			if(inputs[i].name==='first_name')
				inputs[i].value=unescape(first_name);
			if(inputs[i].name==='firstname')
				inputs[i].value=unescape(first_name);
			if(inputs[i].name==='email')
				inputs[i].value=unescape(email);
		}
	}
}