var slideCount = 3;
var slideTotal = 20;
var slideID = 2;
var imageCache = [];


function slideSwitch() {
	//Top or Bottom slide
	if(slideID == 1){
	 margTop = 244;
	 slideID = 2;
	} else{
	 margTop = 0;
	 slideID = 1;
	}
	//Reset count if required
	if(slideCount > slideTotal){
	 slideCount = 1;
	}
	//fadein
	$('#flashIntro').append(imageCache[slideID]);
	$('#slide' + slideID + 'b').hide();
	$('#slide' + slideID + 'b').css('margin-top', margTop);
	$('#slide' + slideID + 'b').css('z-index', '10');
	$('#slide' + slideID + 'b').fadeIn(1000, function(){
			$('#slide' + slideID + 'a').replaceWith(this);
			$(this).css('z-index', '1');
			$(this).attr('id', 'slide' + slideID + 'a')
	});
	//preload image
	LoadNextImage(margTop, slideID);
	//second image go
	if(slideID == 1){ 
		setTimeout( "slideSwitch();", 1100); 
	} else {
		setTimeout( "slideSwitch();", 7000); 
	}
}//End




function LoadNextImage(margTop, slideID){
		var cacheImage = document.createElement('img');
      	cacheImage.src = 'images/slideshow/yg_' + slideCount + '.jpg';
		cacheImage.id = 'slide' + slideID + 'b';
      	imageCache[slideID] = cacheImage;
		slideCount++;
}//End

LoadNextImage(0, 1);
LoadNextImage(244, 2);
setTimeout( "slideSwitch();", 5000);

//setInterval ( "slideSwitch()", 7500 );