var def_imges		= new Array ('images/0038.png','images/0077.png','images/1340.png','images/1447.png','images/1522.png','images/1524.png','images/1643.png','images/1799.png','images/1882.png','images/2028.png','images/2135.png','images/2136.png','images/2351.png','images/2351.png','images/2789.png','images/2858.png','images/3016.png');
var def_divid		= "slideshow";
var def_picwid		= 990;
var def_pichei		= 50;
var def_backgr		= "#000000";
var def_sdur		= 3; 				// time to show a pic between fades in seconds
var def_fdur		= 1; 				// duration of the complete fade in seconds
var def_steps		= 20; 				// steps to fade from on pic to the next
var def_startwhen	= "y";
var def_shuffle		= "y";
var def_showcontr	= "n";
var def_contr		= new Array ('wt_bwd.png', 'wt_start.png', 'wt_stop.png', 'wt_fwd.png');

// functions
function daisychain(sl) {
	if(window.onload) {
		var ld=window.onload;window.onload=function() {
			ld();sl();
		};
	} else {
		window.onload=function() {
			sl();
		};
	}
}
function wt_slideshow(wt_slideid, wt_imges, wt_divid, wt_picwid, wt_pichei, wt_backgr, wt_sdur, wt_fdur, wt_steps, wt_startwhen, wt_shuffle, wt_showcontr, wt_contr) {
	var slideid		= (wt_slideid)		? wt_slideid	: "0";
	var imges		= (wt_imges)		? wt_imges		: def_imges;
	var divid		= (wt_divid)		? wt_divid		: def_divid;
	var picwid		= (wt_picwid)		? wt_picwid		: def_picwid;
	var pichei		= (wt_pichei)		? wt_pichei		: def_pichei;
	var backgr		= (wt_backgr)		? wt_backgr		: def_backgr;
	var sdur		= (wt_sdur)			? wt_sdur		: def_sdur;
	var fdur		= (wt_fdur)			? wt_fdur		: def_fdur;
	var steps		= (wt_steps)		? wt_steps		: def_steps;
	var startwhen 	= (wt_startwhen)	? wt_startwhen	: def_startwhen;
		startwhen   = (startwhen.toLowerCase() == "y") 	? 1:0;
	var shuffle		= (wt_shuffle)		? wt_shuffle	: def_shuffle;
		shuffle 	= (shuffle.toLowerCase() == "y")	? 1:0;
	var showcontr	= (wt_showcontr)	? wt_showcontr	: def_showcontr;
		showcontr	= (showcontr.toLowerCase() == "y")	? 1:0;
	var contr		= (wt_contr)		? wt_contr		: def_contr;
	var ftim		= fdur * 1000 / steps;
	var stim		= sdur *1000;
	var emax		= imges.length;
	var self 		= this;
	var stopit		= 1;
	var startim		= 1;
	var u			= 0;
	var parr 		= new Array();
	var ptofade, pnext, factor, mytimeout;
	if(imges.length <= 2) {
		imges = imges.concat(imges);
	}
	if(shuffle) {
		var i;
		for(i=0; i <= Math.floor(Math.random() * imges.length); i++) {
			imges.push(imges.shift());
		}
	}
	this.b_myfade = function() {
		var a, idakt, paktidakt, ie5exep;
		for(a = 1; a <= emax; a++) {
			idakt 	= "img_"+slideid+"_"+a;paktidakt=document.getElementById(idakt);
			ie5exep	= new Array(paktidakt);parr=parr.concat(ie5exep);
		}
		if(startwhen) {
			stopit 	  = 0;
 			mytimeout = setTimeout(function() {
				self.b_slide();
			},stim);
 		}
	}
	this.b_slide = function(){
		clearTimeout(mytimeout);
		u						= 0;
		ptofade					= parr[startim-1];
		if(startim < emax){
			pnext				= parr[startim];
		} else {
			pnext				= parr[0];
		}
		pnext.style.zIndex		= 1;
		pnext.style.visibility	= "visible";
		pnext.style.filter		= "Alpha(Opacity=100)";
		try {
			pnext.style.removeAttribute("filter");
		} catch(err) {}
		pnext.style.MozOpacity	= 1;
		pnext.style.opacity		= 1;
		ptofade.style.zIndex	= 2;
		ptofade.style.visibility= "visible";
		ptofade.style.filter	= "Alpha(Opacity=100)";
		ptofade.style.MozOpacity= 1;
		ptofade.style.opacity	= 1;
		factor 					= 100 / steps;
		if(stopit=="0") {
			this.b_slidenow();
		}
	}
	this.b_forw = function() {
		stopit					= 1;
		clearTimeout(mytimeout);
		ptofade					= parr[startim-1];
		if(startim < emax) {
			pnext				= parr[startim];
			startim				= startim+1;
		} else {
			pnext				= parr[0];
			startim				= 1;
		}
		ptofade.style.visibility= "hidden";
		ptofade.style.zIndex	= 1;
		pnext.style.visibility	= "visible";
		pnext.style.zIndex		= 2;
		self.b_slide();
	}
	this.b_back = function(){
		stopit					= 1;
		clearTimeout(mytimeout);
		if(u == 0) {
			ptofade				= parr[startim - 1];
			if(startim < emax) {
				pnext			= parr[startim];
			} else {
				pnext			= parr[0];
			}
			pnext.style.visibility = "hidden";
			ptofade.style.zIndex= 1;
			ptofade.style.visibility = "visible";
			if(startim >= 2) {
				startim 		= startim-1;
			} else {
				startim			= emax;
			}
			self.b_slide();
		} else {
			self.b_slide();
		}
	}
	this.b_slidenow = function() {
		var check1, maxalpha, curralpha;
		check1					= ptofade.style.MozOpacity;
		maxalpha				= (100 - factor * u) / 100 * 105;
		if(check1 <= maxalpha / 100) {
			u					= u + 1;
		}
		curralpha				= 100 - factor * u;
		ptofade.style.filter	= "Alpha(Opacity="+curralpha+")";
		ptofade.style.MozOpacity= curralpha / 100;
		ptofade.style.opacity	= curralpha / 100;
		if(u < steps){
			if(stopit == "0") {
				mytimeout		= setTimeout(function() {
					self.b_slidenow();
				},ftim);
			} else {
				this.b_slide();
			}
		} else {
			if(startim < emax) {
				ptofade.style.visibility = "hidden";
				ptofade.style.zIndex 	 = 1;
				pnext.style.zIndex 		 = 2;
				startim					 = startim + 1;
				u 	 					 = 0;
				mytimeout				 = setTimeout(function() {
					self.b_slide();
				},stim);
			} else {
				ptofade.style.visibility = "hidden";
				ptofade.style.zIndex	 = 1;
				pnext.style.zIndex		 = 2;
				startim					 = 1;
				u						 = 0;
				mytimeout				 = setTimeout(function(){
					self.b_slide();
				},stim);
			}
		}
	}
	this.b_start = function() {
		if(stopit == 1) {
 			stopit		= 0;
 			mytimeout	= setTimeout(function() {
				self.b_slide();
			},stim);
 		}
	}
	this.b_stop = function(){
		clearTimeout(mytimeout);
		stopit			= 1;
		this.b_slide();
	}
	this.b_insert = function(){
		var b, thestylid, thez, thevis, slidehei;
		slidehei		= (showcontr) ? (pichei+25) : (pichei);
		var myhtml		= "<div style='width:"+picwid+"px;height:"+slidehei+"px;'>";
   			myhtml	   += "<div style='position:absolute;width:"+picwid+"px;height:"+pichei+"px;'>";
		for(b = 1; b <= emax; b++) {
			thez		= 1;
			thevis		= 'hidden';
			if(b <=1 ) {
				thez	= 2;
				thevis	= 'visible';
			}
			myhtml	   += "<div id='img_"+slideid+"_"+b+"' style='font-size:0;line-height:"+pichei+"px;margin:0;padding:0;text-align:center;visibility:"+thevis+";z-index:"+thez+";position:absolute;left:0;top:0;width:"+picwid+"px;height:"+pichei+"px;background-color:"+backgr+";'>";
			myhtml	   += "<img src='"+imges[(b-1)]+"' style='vertical-align:middle;border:0;' alt=''/></div>";
		}
		myhtml		   +="</div>";
		if(showcontr) {
			for(b = 1; b <= 4; b++){
				var check	 = contr[b - 1].substring(contr[b - 1].length - 3).toLowerCase();
				contr[b - 1] = (check == "jpg" || check == "gif" || check == "png") ? ("<img src='"+contr[b - 1]+"' style='border:none;' alt=''/>") : (contr[b - 1]);
			}
			myhtml	   += "<div style='display:block;width:"+picwid+"px;padding-top:"+(pichei + 3)+"px;text-align:right;'>";
			myhtml	   += "<a href='javascript:wt_"+slideid+".b_back();' style='text-decoration:none'>"+contr[0]+"</a>&nbsp;";
			myhtml	   += "<a href='javascript:wt_"+slideid+".b_start();' style='text-decoration:none'>"+contr[1]+"</a>&nbsp;";
			myhtml	   += "<a href='javascript:wt_"+slideid+".b_stop();' style='text-decoration:none'>"+contr[2]+"</a>&nbsp;";
			myhtml	   += "<a href='javascript:wt_"+slideid+".b_forw();' style='text-decoration:none'>"+contr[3]+"</a>";
		}
		myhtml		   += "</div>";
		document.getElementById(divid).innerHTML = myhtml;
		self.b_myfade();
	}
	daisychain(this.b_insert);
	
}
var wt_0 = new wt_slideshow();