//Translucent scroller- By Dynamic Drive
//For full source code and more DHTML scripts, visit http://www.dynamicdrive.com

var scroller_width=document.body.clientWidth - 355;  // Ширина скролла
var scroller_height='20px'; // Высота скролла
var bgcolor='transparent'; // Цвет скролла
var _pause = 4000; //Пауза между новостями, в миллисекундах (3000=3 секунды)
var _speed = 1; // Скорость смещения новостей, в миллисекундах

/////////////////

var ie4=document.all
var dom=document.getElementById&&navigator.userAgent.indexOf("Opera")==-1

if (ie4||dom)
	document.write('<div style="position:relative;width:'+scroller_width+';height:'+scroller_height+';overflow:hidden"><div id="canvas0" style="position:absolute;background-color:'+bgcolor+';width:'+scroller_width+';height:'+scroller_height+';left:'+scroller_width+';filter:alpha(opacity=0);-moz-opacity:0;"></div><div id="canvas1" style="position:absolute;background-color:'+bgcolor+';width:'+scroller_width+';height:'+scroller_height+';left:'+scroller_width+';filter:alpha(opacity=100);-moz-opacity:1;"></div></div>');
else if (document.layers){
	document.write('<ilayer id=tickernsmain visibility=hide width='+scroller_width+' height='+scroller_height+' bgColor='+bgcolor+'><layer id=tickernssub width='+scroller_width+' height='+scroller_height+' left=0 top=0>'+scrollercontent[0]+'</layer></ilayer>');
}

var curpos=scroller_width*(1);
var degree=2;
var curcanvas="canvas0";
var curindex=0;
var nextindex=1;

function moveslide(){
	if (curpos>0){
		curpos=Math.max(curpos-degree,0);
		tempobj.style.left=curpos+"px";
	}
	else{
		clearInterval(dropslide)
		if (crossobj.filters)
			crossobj.filters.alpha.opacity=100;
		else if (crossobj.style.MozOpacity)
			crossobj.style.MozOpacity=1;
		
		nextcanvas=(curcanvas=="canvas0")? "canvas0" : "canvas1";
		tempobj=ie4? eval("document.all."+nextcanvas) : document.getElementById(nextcanvas);
		tempobj.innerHTML=scrollercontent[curindex];
		nextindex=(nextindex<scrollercontent.length-1)? nextindex+1 : 1;
		setTimeout("rotateslide()",_pause);
	}
}

function rotateslide(){
	if (ie4||dom){
		resetit(curcanvas);
		crossobj=tempobj=ie4? eval("document.all."+curcanvas) : document.getElementById(curcanvas);
		crossobj.style.zIndex++;
		if (crossobj.filters) {
            if (document.all.canvas0.filters.alpha.opacity==100) document.all.canvas0.filters.alpha.opacity = 0;
            else document.all.canvas0.filters.alpha.opacity = 100;
            
            if (document.all.canvas1.filters.alpha.opacity==100) document.all.canvas1.filters.alpha.opacity = 0;
            else document.all.canvas1.filters.alpha.opacity = 100;
		}
		else if (crossobj.style.MozOpacity) {
			if (document.getElementById("canvas0").style.MozOpacity==1) document.getElementById("canvas0").style.MozOpacity=0;
			else document.getElementById("canvas0").style.MozOpacity=1;

			if (document.getElementById("canvas1").style.MozOpacity==1) document.getElementById("canvas1").style.MozOpacity=0;
			else document.getElementById("canvas1").style.MozOpacity=1;
        }
		var temp='setInterval("moveslide()",_speed)';
		dropslide=eval(temp);
		curcanvas=(curcanvas=="canvas0")? "canvas1" : "canvas0";
	}
	else if (document.layers){
		crossobj.document.write(scrollercontent[curindex]);
		crossobj.document.close();
	}
	curindex=(curindex<scrollercontent.length-1)? curindex+1 : 0;
}

function resetit(what){
	curpos=parseInt(scroller_width)*(1);
	var crossobj=ie4? eval("document.all."+what) : document.getElementById(what);
	crossobj.style.left=curpos+"px";
}

function startit(){
	crossobj=ie4? eval("document.all."+curcanvas) : dom? document.getElementById(curcanvas) : document.tickernsmain.document.tickernssub;
	if (ie4||dom){
		crossobj.innerHTML=scrollercontent[curindex];
		rotateslide();
	}
	else{
		document.tickernsmain.visibility='show';
		curindex++;
		setInterval("rotateslide()",_pause);
	}
}

if (ie4||dom||document.layers)
	window.onload=startit;