function MenuOn(Id, Lang){
	document.getElementById('menu_'+Id).style.background="url('template/images/"+Lang+"/menu_"+Id+".jpg')";
}
function MenuOff(Id){
	document.getElementById('menu_'+Id).style.background="";
}

function howWorksOn(Lang){
	document.getElementById('howWorks').style.background="url(\'template/images/"+Lang+"/column_left_jak_dziala_on.jpg\')";
}
function howWorksOff(Lang){
	document.getElementById('howWorks').style.background="url(\'template/images/"+Lang+"/column_left_jak_dziala.jpg\')";
}

function showRegulamin(Id){
  var AreaSum='4';

    for(I=1; I<=AreaSum; I++){
      var Area=document.getElementById('regBtn'+I);
		var AreaText=document.getElementById('regText'+I);
		var AreaContent=document.getElementById('regulaminContent');
        if(Id==I){
			Area.style.background="url('template/images/regulamin_btn_on.jpg')";
			Area.style.color="black";
			AreaContent.innerHTML=AreaText.innerHTML;
		}else{
			Area.style.background="url('template/images/regulamin_btn_off.jpg')";
			Area.style.color="";
		}
    }
}

function showCoto(Id){
  var AreaSum='4';
    for(I=1; I<=AreaSum; I++){
      var Area=document.getElementById('regBtn'+I);
		var AreaText=document.getElementById('regText'+I);
		var AreaContent=document.getElementById('regulaminContent');
        if(Id==I){
			Area.style.background="url('template/images/regulamin_btn_on.jpg')";
			Area.style.color="black";
			AreaContent.innerHTML=AreaText.innerHTML;
		}else{
			Area.style.background="url('template/images/regulamin_btn_off.jpg')";
			Area.style.color="";
		}
    }
}

function showProductDetails(Id){
  var AreaSum=3;
  var AreaSel=document.getElementById('detBtn'+Id);
  var AreaContent=document.getElementById('detContent');
  var Selected=document.getElementById('detSelected');
  if(Selected.value==Id){
    AreaContent.innerHTML='';
    AreaSel.style.background="url('template/images/det_btn_off.jpg')";
    AreaSel.style.color="";
    Selected.value="";
  }else{
    for(I=1; I<=AreaSum; I++){
      var Area=document.getElementById('detBtn'+I);
		var AreaText=document.getElementById('detText'+I);
        if(Id==I){
			Area.style.background="url('template/images/det_btn_on.jpg')";
			Area.style.color="black";
			AreaContent.innerHTML=AreaText.innerHTML;
			Selected.value=Id;
		}else{
			Area.style.background="url('template/images/det_btn_off.jpg')";
			Area.style.color="";
		}
    }
    }
}