/*****

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(), zInterval = null, current=0, pause=false;

function so_init() {
	if(!d.getElementById || !d.createElement)return;

	// DON'T FORGET TO GRAB THIS FILE AND PLACE IT ON YOUR SERVER IN THE SAME DIRECTORY AS THE JAVASCRIPT!
	// http://slayeroffice.com/code/imageCrossFade/xfade2.css
	css = d.createElement("link");
	css.setAttribute("href","style1.css");
	css.setAttribute("rel","stylesheet");
	css.setAttribute("type","text/css");
	d.getElementsByTagName("head")[0].appendChild(css);

	imgs = d.getElementById("imageContainer").getElementsByTagName("img");
	for(i=1;i<imgs.length;i++) imgs[i].xOpacity = 0;
	imgs[0].style.display = "block";
	imgs[0].xOpacity = .99;
	
	setTimeout(so_xfade,1000);
}

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,2000);
	} else {
		setTimeout(so_xfade,50);
	}
	
	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) + ")";
	}
	
}

// format date as dd-mmm-yyyy
function date_ddmmmyyyy(date) {
    var d = date.getDate();
    var m = date.getMonth() + 1;
    var y = date.getYear();
//  Mozilla still doesn't understand y2k...
    if (y >= 100 && y <= 1999) {
        y += 1900;
    }


//  convert the numeric month to alpha
    var mmm =   ( 1==m)?'Jan':
                ( 2==m)?'Feb':
                ( 3==m)?'Mar':
                ( 4==m)?'Apr':
                ( 5==m)?'May':
                ( 6==m)?'Jun':
                ( 7==m)?'Jul':
                ( 8==m)?'Aug':
                ( 9==m)?'Sep':
                (10==m)?'Oct':
                (11==m)?'Nov':
                        'Dec';

    return "" + (d<10?"0"+d:d) + "-" + mmm + "-" + y;
}

// get the last modified date of this page
function date_lastmodified() {
    var lmd = document.lastModified;
    var s   = "Unknown";
    var d1;

//  ensure we have a valid date
    if(0 != (d1=Date.parse(lmd))) {
        s = "" + date_ddmmmyyyy(new Date(d1));
    }
    return s;
}