// removes the default email message when the user types in their address
function ClearField(field)
{
	var str = field.value;
	
	if (str != null && str == "Type Your Email Here")
	{
		field.value = "";
	}
}

function InitAlternatingRows()
{
    var courses = document.getElementById ? document.getElementById("CoursesStart") : document.all["CoursesStart"];

    if (courses && courses.getElementsByTagName)
    {
        var rows = courses.getElementsByTagName("li");

        for (var i = 1; i < rows.length; i += 2)
        {
            rows[i].className = "alt";
        }
    }
}

function InitSlideshow(target)
{
	if (arguments.length == 0 && document.getElementById) InitSlideshow(document.getElementById("Slideshow"));
	else if (target != null)
	{
		var numberOfSlides = 4;
		var slideshow = new Slideshow();
		
		for (var i = 1; i <= numberOfSlides; i++)
		{
			var slide = target.appendChild(document.createElement("DIV"));
			var slidePath = i.toString();
			
			if (slidePath.length < 2) slidePath = Tactica.basePath + "images/banner_pic_0" + i + ".jpg";
			else slidePath = Tactica.basePath + "images/banner_pic_" + i + ".jpg";
			
			slide.className = "slide";
			slide.innerHTML = "Slide " + i;
			slide.style.backgroundImage = "url('" + slidePath + "')";
			slide.style.backgroundPosition = "right top";
			slide.style.backgroundRepeat = "no-repeat";
			slide.style.filter = "alpha(opacity=0)";
			slide.style.height = "217px";
			slide.style.left = "0px";
			slide.style.opacity = "0";
			slide.style.overflow = "hidden";
			slide.style.position = "absolute";
			slide.style.textIndent = "-1000em";
			slide.style.top = "0px";
			slide.style.width = "469px";
			
			slideshow.items.push(slide);
		}
		
		slideshow.timerInterval = 5000;
		slideshow.start();
	}
}

Tactica.addLoadFunction(InitSlideshow);
Tactica.addLoadFunction(InitAlternatingRows);
Tactica.loadScript("scripts/tactica.animation.js");
Tactica.loadScript("scripts/tactica.animation.fade.js");
Tactica.loadScript("scripts/tactica.animation.slideshow.js");
Tactica.loadScript("scripts/tactica.forms.js");
Tactica.loadScript("scripts/tactica.menus.js");