/* core.js ---- contains all our javascript stuff =) */

// -X- clipboard madness // TODO: fix for FF,Chrome
function clpSet(data)  
{ 
 window.clipboardData.setData("Text",data);
} 

// -X- our slideshow content
var def_imges = new Array(
   'slideshow/0.jpg', 
   'slideshow/1.jpg', 
   'slideshow/2.jpg', 
   'slideshow/3.jpg', 
   'slideshow/4.jpg', 
   'slideshow/5.jpg',
   'slideshow/6.jpg',
   'slideshow/7.jpg');

// -X- param stuff
var def_divid = "slideshow_container"; 
var def_picwid = 800;
var def_pichei = 258;
var def_backgr = "#000000";
var def_sdur = 3; 
var def_fdur = 1; 
var def_steps = 20; 
var def_startwhen = "y";
var def_shuffle = "y";

// -X- we dont need to no user controls
var def_showcontr = "n";
var def_contr=new Array ();

// -X- here we go
function daisychain(sl){if(window.onload) {var ld=window.onload;window.onload=function(){ld();sl();};}else{window.onload=function(){sl();};}}
function be_slideshow(be_slideid,be_imges,be_divid,be_picwid,be_pichei,be_backgr,be_sdur,be_fdur,be_steps,be_startwhen,be_shuffle,be_showcontr,be_contr) {
	var slideid=(be_slideid)?be_slideid:"0";
	var imges=(be_imges)?be_imges:def_imges;
	var divid=(be_divid)?be_divid:def_divid;
	var picwid=(be_picwid)?be_picwid:def_picwid;
	var pichei=(be_pichei)?be_pichei:def_pichei;
	var backgr=(be_backgr)?be_backgr:def_backgr;
	var sdur=(be_sdur)?be_sdur:def_sdur;
	var fdur=(be_fdur)?be_fdur:def_fdur;
	var steps=(be_steps)?be_steps:def_steps;
	var startwhen=(be_startwhen)?be_startwhen:def_startwhen;
			startwhen=(startwhen.toLowerCase()=="y")?1:0;
	var shuffle=(be_shuffle)?be_shuffle:def_shuffle;
			shuffle=(shuffle.toLowerCase()=="y")?1:0;
	var showcontr=(be_showcontr)?be_showcontr:def_showcontr;
			showcontr=(showcontr.toLowerCase()=="y")?1:0;
	var contr=(be_contr)?be_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)";
		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:be_"+slideid+".b_back();' style='text-decoration:none'>"+contr[0]+"</a>&nbsp;";
   			myhtml+="<a href='javascript:be_"+slideid+".b_start();' style='text-decoration:none'>"+contr[1]+"</a>&nbsp;";
   			myhtml+="<a href='javascript:be_"+slideid+".b_stop();' style='text-decoration:none'>"+contr[2]+"</a>&nbsp;";
   			myhtml+="<a href='javascript:be_"+slideid+".b_forw();' style='text-decoration:none'>"+contr[3]+"</a>";
		}
   			myhtml+="</div>";
		document.getElementById(divid).innerHTML=myhtml;
		self.b_myfade();
	}

	daisychain(this.b_insert);
}

// -X- raise up daisychain for slideshow
var be_0 = new be_slideshow();

// -X- mmlib **** goes here
function MM_swapImgRestore() { 
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}
function MM_preloadImages() {
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}
function MM_findObj(n, d) {
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}
function MM_swapImage() {
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

try { 
    // -X- do your job, mmlib
	MM_preloadImages(
		'images/index_02-1.jpg',
		'images/index_03-1.jpg',
		'images/index_04-1.jpg',
		'images/index_05-1.jpg',
		'images/index_06-1.jpg',
		'images/index_07-1.jpg',
		'images/index_08-1.jpg',
		'images/index_09-1.jpg');
} catch (e) { /* -X- error? as if i would care... */ }