function bmistartup()
	{
		var l = $(".leftcol").height();
		var r = $(".rightcol").height();
		//$("body").append("left:"+l+" / right:"+r);
		if (l > r) $(".rightcol").height(l);
		else $(".leftcol").height(r);
	}

	function jumptoid(id)
	{
		$('html,body').animate({scrollTop: $('#'+id).offset().top-30}, 1000);	
	}
	
	function doESignup()
	{
		var e = $("#emailbox").val();
		if (e != '')
		{
			$.ajax({
				type: "POST",
				url: "esignup.php",
				data: "e="+e,
				success:function(resp)
				{
					alert("Thank you, Check your Email!");
					window.location='exercise-of-the-month.php';
				}
			});
		}
	}
	
	//determine our browser
	var agentString = navigator.userAgent.toLowerCase();
	var isIphone = (agentString.indexOf('iphone')!=-1);
	var isIpad = (agentString.indexOf('ipad')!=-1);
	var isIpod = (agentString.indexOf('ipod')!=-1);
	//var isChrome = (agentString.indexOf('chrome')!=-1);
	var isAndroid = (agentString.indexOf('android')!=-1);
	var isSafari = (agentString.indexOf('safari')!=-1);
	
	if (isIphone || isIpad || isIpod || isAndroid || isSafari) var isMobile = true;
	else var isMobile = false;