function openlegal(url)
{
	var pop = window.open(url, "LEGAL", "width=500,height=400,scrollbars=1,resizable=1,menubar=0");
	pop.focus();
}

function checkAge(year, month, day)
{
	if (isNaN(year) || isNaN(month) || isNaN(day)) return false;
	var y = parseInt(year, 10);
	var m = parseInt(month, 10);
	var d = parseInt(day, 10);
	if (y <= 7 || d > 31 || d <= 0 || m > 12 || m <= 0 || y >= 100) return false;
	var compareDate = (y + 1900) * 10000 + m * 100 + d;
	if (compareDate > 19910910) return false;
	return true;
}

function cancelSubmit(e)
{
	if (e.cancelBubble)
	{
		e.cancelBubble = true;
		e.returnValue = false;
	}
	else
	{
		e.preventDefault(true);
		e.stopPropogation(true);
	}
	checkLda();
	return false;
}




function fieldKeyUp(e)
{
	var obj = findSource(e);

	if (obj == null) {
		return;
    }
	if (obj.value.length == 2 && !isNaN(obj.value))
	{
		var siblings = obj.parentNode.childNodes;

		var b = false;

		for (var i=0; i<siblings.length; i++)
		{
			if (siblings[i] == obj)
			{
				b = true;
			}
			else if (b)
			{
				var nextObj = siblings[i];

				if (nextObj.tagName.toLowerCase() == 'input')
				{
					nextObj.focus;
					nextObj.select();
					break;
				}
			}
		}
	}
}

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 checkLda()
{
	if (!checkAge($('YY').value, $('MM').value, $('DD').value))
	{
	   openlegal('http://www.americanheart.org/presenter.jhtml?identifier=4549');
	}
	else
	{
    createCookie("ecigs3d", "1", 1);
	location.href="index.php"
	}
}