d=document;l=(d.layers)?1:0;op=navigator.userAgent.toLowerCase().indexOf('opera')!=-1;ie=(d.all)?1:0;
function gE(e,f){if(l){f=(f)?f:self;var V=f.document.layers;if(V[e])return V[e];for(var W=0;W<V.length;)t=gE(e,V[W++]);return t;}if(d.all)return d.all[e];return d.getElementById(e);}

function sE(e){if(l)e.visibility='show';else e.style.display='block';return false;}
function siE(e){if(l)e.visibility='show';else e.style.display='inline';return false;}
function hE(e){if(l)e.visibility='hide';else e.style.display='none';return false;}


function saveCookie(name,value,days) {
	if (days) {
		var date=new Date();
		date.setTime(date.getTime()+(days*24*60*60*1000))
		var expires="; expires="+date.toGMTString()
	} else expires=""
	document.cookie=name+"="+value+expires+"; path=/"
}

function readCookie(name) {
	var nameEQ=name+"="
	var ca=document.cookie.split(';')
	for(var i=0;i<ca.length;i++) {
		var c=ca[i];
		while (c.charAt(0)==' ') c=c.substring(1,c.length)
		if (c.indexOf(nameEQ)==0) return c.substring(nameEQ.length,c.length)
	}
	return null
}

function setdatetoday(){
var d = new Date()
year=d.getFullYear()+'';
month=(d.getMonth() + 1);
if (month<10)month="0"+month;
date=d.getDate();
if (date<10)date="0"+date;
hours=d.getHours();
if (hours<10)hours="0"+hours;
minutes=d.getMinutes();
if (minutes<10)minutes="0"+minutes;

}

sfHover=function()
{
    var sfEls=document.getElementById("navigation").getElementsByTagName("LI");
    for (var i=0; i<sfEls.length; i++)
    {
        sfEls[i].onmouseover=function()
        {
            this.className+=" sfhover";
        }

        sfEls[i].onmouseout=function()
        {
            this.className=this.className.replace(new RegExp(" sfhover\\b"), "");
        }
    }
}
if (window.attachEvent) window.attachEvent("onload", sfHover);


function addCls(elm,cls)

{

    

    if(elm)

    {       

        if(!haveCls(elm,cls))

          elm.className+=" "+cls;

    

        return true;        

    }

    else

        return 0;

}

function haveCls(elm,cls)

{

    var pos;

    if(elm)

    {       

        

        var clsValues='# '+elm.className+' ';

        var toSearch=' '+cls+' ';     

        //alert(clsValues + toSearch);      

        // ak ma okolo medzery

        pos=clsValues.indexOf(toSearch);                                       

    }

    return (pos>0 ? pos : false );

}


 
function remCls(elm,cls)

{



    if(elm)

    {

        //alert('rem1:'+elm.className);

        var position;

        position=haveCls(elm,cls);

        //alert(position);

        if(position)

            elm.className=elm.className.substring(0,position-1) + elm.className.substring(position+cls.length-1);

                    

        //alert('rem2:'+elm.className);       

    }



}


					function hAllArticles(){
							hE(article1E);hE(article2E);hE(article3E);hE(article4E);
							remCls(article1_aE,"active");remCls(article2_aE,"active");remCls(article3_aE,"active");remCls(article4_aE,"active");
					}
						function nextArticle(){
							oldArticle=actualArticle;
							actualArticle++;
							if (actualArticle>4) actualArticle=1;
							opacity=1;
							timer = setInterval("fade()",25);

							eval("article"+actualArticle+"E.style.opacity=String(0)");
							eval("article"+actualArticle+"E.style.filter='alpha(opacity='+String(0)+')'");

							eval("sE(article"+actualArticle+"E)");
							eval("addCls(article"+actualArticle+"_aE,'active')");
							fototimer=setTimeout("nextArticle()",3000);
						}
					function fade(){
						opacity-=0.1;
						ropacity=1-opacity;
						eval("article"+oldArticle+"E.style.opacity=String(opacity)");
						eval("article"+oldArticle+"E.style.filter='alpha(opacity='+String(opacity*100)+')'");
						eval("article"+actualArticle+"E.style.opacity=String(ropacity)");
						eval("article"+actualArticle+"E.style.filter='alpha(opacity='+String(ropacity*100)+')'");
						if (opacity<0) {
							eval("hE(article"+oldArticle+"E)");
							eval("article"+oldArticle+"E.style.opacity=String(100)");
							eval("article"+oldArticle+"E.style.filter='alpha(opacity='+String(100)+')'");

							eval("remCls(article"+oldArticle+"_aE,'active')");
							clearInterval(timer);
					}
						
					}