/*****

Image Cross Fade Redux
Version 1.0
Last revision: 02.15.2006
steve@slayeroffice.com

Please leave this notice intact. 

Rewrite of old code found here: http://slayeroffice.com/code/imageCrossFade/index.html


*****/


window.addEventListener?window.addEventListener("load",so_init,false):window.attachEvent("onload",so_init);

var d=document, imgs = new Array(), tables = new Array, anchors = new Array, zInterval = null, current=0, pause=false;

function so_init() {
	if(!d.getElementById || !d.createElement)return;
	imgs = d.getElementById("courseguide_pics").getElementsByTagName("img");
	for(i=1;i<imgs.length;i++) imgs[i].xOpacity = 0;
	imgs[0].style.display = "block";
	imgs[0].xOpacity = .99;
	
	//so_xfade();
}

function so_xfade() {
	cOpacity = imgs[current].xOpacity;
	nIndex = imgs[current+1]?current+1:0;

	nOpacity = imgs[nIndex].xOpacity;
	
	cOpacity-=.05; 
	nOpacity+=.05;
	
	imgs[nIndex].style.display = "block";
	imgs[current].xOpacity = cOpacity;
	imgs[nIndex].xOpacity = nOpacity;
	
	setOpacity(imgs[current]); 
	setOpacity(imgs[nIndex]);
	
	if(cOpacity<=0) {
		imgs[current].style.display = "none";
		current = nIndex;
		//setTimeout(so_xfade,2700); //wait before showing next image
		// commented out so I can control 1 fade at a time through the page in a setInterval.
		
	} else {
		setTimeout(so_xfade,50); //speed of opacity change
	}
	
	function setOpacity(obj) {
		if(obj.xOpacity>.99) {
			obj.xOpacity = .99;
			return;
		}
		obj.style.opacity = obj.xOpacity;
		obj.style.MozOpacity = obj.xOpacity;
		obj.style.filter = "alpha(opacity=" + (obj.xOpacity*100) + ")";
	}
	
}


function showtable(tableid){
if(!d.getElementById || !d.createElement)return;
	tables = d.getElementById("contentdiv").getElementsByTagName("table");
	for(i=0;i<tables.length;i++) {
		if (tables[i].id != '') { 
			tables[i].style.display="none";
		}
	}
	anchors = d.getElementById("contentdiv").getElementsByTagName("a");
		for(i=0;i<anchors.length;i++) {
			anchors[i].className="scores_match_link";
	}
	var newtable = d.getElementById('tt'+tableid);
	newtable.style.display = "block";
	var newanchor = d.getElementById('dl'+tableid);
	newanchor.className="scores_match_link_selected";
}