/*Example message arrays for the two demo scrollers*/

/*******************************************************************************
 * Pausing up-down scroller- � Dynamic Drive (www.dynamicdrive.com) This notice
 * MUST stay intact for legal use Visit http://www.dynamicdrive.com/ for this
 * script and 100s more.
 ******************************************************************************/

function pausescroller(content, divId, divClass, delay) {
	this.content = content; // message array content
	this.tickerid = divId; // ID of ticker div to display information
	this.delay = delay; // Delay between msg change, in miliseconds.
	this.mouseoverBol = 0; // Boolean to indicate whether mouse is currently
	// over scroller (and pause it if it is)
	this.hiddendivpointer = 1; // index of message array for hidden div
	document
			.write('<div id="'
					+ divId
					+ '" class="'
					+ divClass
					+ '" ><div style="position: absolute; left: 0px; padding: 0px; margin: 0px;" id="'
					+ divId
					+ '1">'
					+ content[0]
					+ '</div><div style="position: absolute; left: 0px; padding: 0px; margin: 0px; visibility: hidden;" id="'
					+ divId + '2">' + content[1] + '</div></div>');
	var scrollerinstance = this;
	if (window.addEventListener) // run onload in DOM2 browsers
		window.addEventListener("load", function() {
			scrollerinstance.initialize();
		}, false);
	else if (window.attachEvent) // run onload in IE5.5+
		window.attachEvent("onload", function() {
			scrollerinstance.initialize();
		});
	else if (document.getElementById) // if legacy DOM browsers, just start
		// scroller after 0.5 sec
		setTimeout(function() {
			scrollerinstance.initialize();
		}, 500);
}

// -------------------------------------------------------------------
// initialize()- Initialize scroller method.
// -Get div objects, set initial positions, start up down animation
// -------------------------------------------------------------------

pausescroller.prototype.initialize = function() {
	this.tickerdiv = document.getElementById(this.tickerid);
	this.visiblediv = document.getElementById(this.tickerid + "1");
	this.hiddendiv = document.getElementById(this.tickerid + "2");
	this.visibledivtop = parseInt(pausescroller.getCSSpadding(this.tickerdiv));
	// set width of inner DIVs to outer DIV's width minus padding (padding
	// assumed to be top padding x 2)
	this.visiblediv.style.width = this.hiddendiv.style.width = this.tickerdiv.offsetWidth
			- (this.visibledivtop * 2) + "px";
	this.getinline(this.visiblediv, this.hiddendiv);
	this.hiddendiv.style.visibility = "visible";
	var scrollerinstance = this;
	document.getElementById(this.tickerid).onmouseover = function() {
		scrollerinstance.mouseoverBol = 1;
	};
	document.getElementById(this.tickerid).onmouseout = function() {
		scrollerinstance.mouseoverBol = 0;
	};
	if (window.attachEvent) // Clean up loose references in IE
		window
				.attachEvent(
						"onunload",
						function() {
							scrollerinstance.tickerdiv.onmouseover = scrollerinstance.tickerdiv.onmouseout = null;
						});
	setTimeout(function() {
		scrollerinstance.animateup();
	}, this.delay);
};

// -------------------------------------------------------------------
// animateup()- Move the two inner divs of the scroller up and in sync
// -------------------------------------------------------------------

pausescroller.prototype.animateup = function() {
	var scrollerinstance = this;
	if (parseInt(this.hiddendiv.style.top) > (this.visibledivtop + 1)) {
		this.visiblediv.style.top = parseInt(this.visiblediv.style.top) - 1
				+ "px";
		this.hiddendiv.style.top = parseInt(this.hiddendiv.style.top) - 1
				+ "px";
		setTimeout(function() {
			scrollerinstance.animateup();
		}, 80);
	} else {
		this.getinline(this.hiddendiv, this.visiblediv);
		this.swapdivs();
		setTimeout(function() {
			scrollerinstance.setmessage();
		}, this.delay);
	}
};

// -------------------------------------------------------------------
// swapdivs()- Swap between which is the visible and which is the hidden div
// -------------------------------------------------------------------

pausescroller.prototype.swapdivs = function() {
	var tempcontainer = this.visiblediv;
	this.visiblediv = this.hiddendiv;
	this.hiddendiv = tempcontainer;
};

pausescroller.prototype.getinline = function(div1, div2) {
	div1.style.top = this.visibledivtop + "px";
	div2.style.top = Math.max(div1.parentNode.offsetHeight, div1.offsetHeight)
			+ "px";
};

// -------------------------------------------------------------------
// setmessage()- Populate the hidden div with the next message before it's
// visible
// -------------------------------------------------------------------

pausescroller.prototype.setmessage = function() {
	var scrollerinstance = this;
	if (this.mouseoverBol == 1) // if mouse is currently over scoller, do
		// nothing (pause it)
		setTimeout(function() {
			scrollerinstance.setmessage();
		}, 100);
	else {
		var i = this.hiddendivpointer;
		var ceiling = this.content.length;
		this.hiddendivpointer = (i + 1 > ceiling - 1) ? 0 : i + 1;
		this.hiddendiv.innerHTML = this.content[this.hiddendivpointer];
		this.animateup();
	}
};

pausescroller.getCSSpadding = function(tickerobj) { // get CSS padding value, if
	// any
	if (tickerobj.currentStyle)
		return tickerobj.currentStyle["paddingTop"];
	else if (window.getComputedStyle) // if DOM2
		return window.getComputedStyle(tickerobj, "").getPropertyValue(
				"padding-top");
	else
		return 0;
};