var ANNOUNCEMENTS_MESSAGE_DECELLERATION = 4;
var ANNOUNCEMENTS_MESSAGE_INTERVAL      = 5;	//seconds
var announcementsDivToggle;
var announcementsMessageId;
var announcementsDivs;
var announcementsWidth;
var announcementsText = [
	
		"<span style='font-weight:xbold;font-size:20px;line-height:12px'>&raquo;</span>&nbsp;&nbsp;Kidcam Summer Camp June 2 - July 25"
		,
		"<span style='font-weight:xbold;font-size:20px;line-height:12px'>&raquo;</span>&nbsp;&nbsp;Respect Life Baby Shower July 12-13"
		,
		"<span style='font-weight:xbold;font-size:20px;line-height:12px'>&raquo;</span>&nbsp;&nbsp;Back to School Expo July 27-28"
		,
		"<span style='font-weight:xbold;font-size:20px;line-height:12px'>&raquo;</span>&nbsp;&nbsp;Have a Safe Summer!"
		,
		"<span style='font-weight:xbold;font-size:20px;line-height:12px'>&raquo;</span>&nbsp;&nbsp;May God Bless America"
		
	];

var announcementsPause = false;
var announcementsContinue = false;

function slideAnnouncements(id, targetX)
{
	var ele = announcementsDivs[id];
	var x1 = parseInt(ele.style.left);
	var delta = (targetX-x1) / ANNOUNCEMENTS_MESSAGE_DECELLERATION;
	if (delta==0)
	{
		ele.style.left = targetX + 'px';
		if (announcementsText.length>1) setTimeout('nextAnnouncement()',ANNOUNCEMENTS_MESSAGE_INTERVAL * 1000);
	}
	else
	{
		x1 = (Math.abs(delta)<.5)?targetX:(x1+delta);
		ele.style.left = x1 + 'px';
		setTimeout('slideAnnouncements(' + id + ',' + targetX + ')',34);
	}
}

function pauseAnnouncement()
{
	announcementsPause = true;
}

function continueAnnouncement()
{
	announcementsPause = false;
	if (announcementsContinue) nextAnnouncement();
}


function nextAnnouncement()
{
	if (!announcementsPause)
	{
		announcementsContinue = false;
		announcementsDivToggle = !announcementsDivToggle;
		announcementsMessageId = (announcementsMessageId+1) % announcementsText.length;
		var nEle = announcementsDivs[announcementsDivToggle];
		nEle.style.left = announcementsWidth;
		nEle.innerHTML = announcementsText[announcementsMessageId];
		var tEle = announcementsDivs[announcementsDivToggle];
		tEle.style.left = announcementsWidth;
		tEle.innerHTML = announcementsText[announcementsMessageId];
		tEle.style.zIndex = 2;
		announcementsDivs[!announcementsDivToggle].style.zIndex = 1;
		slideAnnouncements(announcementsDivToggle,-1);
	}
	else
	{
		announcementsContinue = true;
	}
}

function initAnnouncements()
{
	if ((typeof document.getElementById!='undefined') && (announcementsText.length>0))
	{
		var announcementsBox = document.getElementById('announcementsBox');
		announcementsDivToggle = false;
		announcementsMessageId = -1;
		announcementsWidth = announcementsBox.style.width;
		announcementsDivs = [null, null];
		for (var i = 0; i < 2; i++)
		{
			var n = document.createElement('DIV');
			n.setAttribute('id','Announcements' + i);
			n.style.left = announcementsBox.style.width;
			n.style.width = announcementsBox.style.width;
			n.style.height = announcementsBox.style.height;
			n.style.overflow = 'hidden';
			n.style.clip = announcementsBox.style.clip;
			n.style.top = '0px';
			n.style.position = 'absolute';
			n.style.padding = '0px';
			n.style.backgroundColor = '#ffffff';
			n.style.borderLeft = '1px solid #e0e0e0';
			announcementsDivs [(i==0)] = n;
			announcementsBox.appendChild(n);
		}
		announcementsBox.style.display='';
		nextAnnouncement();
	}
}