var active = 1;

function initSlide(){
  var t=setTimeout(function(){ slide(); },7*1000);    
}

function slide(){
	if(active == 1){
		tDiv = "slide1";
		vDiv = "slide2";
		active = 2;
	}else if(active == 2){
		tDiv = "slide2";
		vDiv = "slide3";
		active = 3;

	}
	else {
		tDiv = "slide3";
		vDiv = "slide1";
		active = 1;
	}
	if($(tDiv).fx){$(tDiv).fx.stop();}
	if($(vDiv).fx){$(vDiv).fx.stop();}
	$(tDiv).fx = $(tDiv).effect('opacity', {duration: 3000}).start(0);
	$(vDiv).fx = $(vDiv).effect('opacity', {duration: 3000}).start(1);
	t=setTimeout(function(){ slide(); },10*1000);    
}



function show(whichOne){
	if(whichOne == 1){
		tDiv = "slide1";
		vDiv = "slide2";
	}else{
		tDiv = "slide2";
		vDiv = "slide1";
	}
	if($(tDiv).fx){$(tDiv).fx.stop();}
	if($(vDiv).fx){$(vDiv).fx.stop();}
	$(tDiv).fx = $(tDiv).effect('opacity', {duration: 2000}).start(0);
	$(vDiv).fx = $(vDiv).effect('opacity', {duration: 2000}).start(1);
}