var useBSNns;if(useBSNns){if(typeof (bsn)=="undefined"){bsn={}}var _bsn=bsn}else{var _bsn=this}_bsn.Crossfader=function(D,C,A){this.nAct=-1;this.aDivs=D;for(var B=0;B<D.length;B++){document.getElementById(D[B]).style.opacity=0;document.getElementById(D[B]).style.filter="alpha(opacity=0)";document.getElementById(D[B]).style.position="absolute";document.getElementById(D[B]).style.visibility="hidden";document.getElementById(D[B]).style.display="block"}this.nDur=C;this.nDelay=A;this._newfade()};_bsn.Crossfader.prototype._newfade=function(){if(this.nID1){clearInterval(this.nID1)}this.nOldAct=this.nAct;this.nAct++;if(!this.aDivs[this.nAct]){this.nAct=0}if(this.nAct==this.nOldAct){return false}document.getElementById(this.aDivs[this.nAct]).style.visibility="visible";this.nInt=50;this.nTime=0;var A=this;this.nID2=setInterval(function(){A._fade()},this.nInt)};_bsn.Crossfader.prototype._fade=function(){this.nTime+=this.nInt;var A=Math.round(this._easeInOut(this.nTime,0,1,this.nDur)*100);var C=A/100;document.getElementById(this.aDivs[this.nAct]).style.opacity=C;document.getElementById(this.aDivs[this.nAct]).style.filter="alpha(opacity="+A+")";if(this.nOldAct>-1){document.getElementById(this.aDivs[this.nOldAct]).style.opacity=1-C;document.getElementById(this.aDivs[this.nOldAct]).style.filter="alpha(opacity="+(100-A)+")"}if(this.nTime==this.nDur){clearInterval(this.nID2);if(this.nOldAct>-1){document.getElementById(this.aDivs[this.nOldAct]).style.visibility="hidden"}var B=this;this.nID1=setInterval(function(){B._newfade()},this.nDelay)}};_bsn.Crossfader.prototype._easeInOut=function(B,A,D,C){return D/2*(1-Math.cos(Math.PI*B/C))+A};