var imgDCount = 0;
var imgDMaxCount = 2;
var swDImages = new Array();
swDImages[0] = "public_yanlong_10.jpg";
swDImages[1] = "20120110_public_ale.jpg";
var swDLinks = new Array();
swDLinks[0] = '/drinco/yanlong/?from=dtlb';
swDLinks[1] = '/drinco/ultra_ale/?from=dtlb';

var Dtimer;
var btnDItem;
var btnDItemId;
var SwitchingDImage = false;
var Di = 0;

function DtoOutexecute() {
	new Effect.Opacity("drincobnr2", {
		from:0.0,
		to:1.0,
		duration:2,
		fps:30,
		delay:0,
		beforeStartInternal: function(effect) {
			var item1 = $('drincobnr2');
			Element.update(item1, '<img src="top/images/banner/dorinco/' + swDImages[imgDCount] + '" width="156" height="100" />');
		},
		afterFinishInternal: function(effect) {
			DtoInexecute();
		}
	});
	return;
}

function DtoInexecute() {
	new Effect.Opacity("drincobnr2", {
		from:1.0,
		to:0.0,
		duration:0.1,
		fps:30,
		delay:0,
		beforeStartInternal: function(effect) {
			var item1 = $('drincobnr1');
			Element.update(item1, '<img src="top/images/banner/dorinco/' + swDImages[imgDCount] + '" width="156" height="100" />');
		},
		afterFinishInternal: function(effect) {
			var item1 = $('drincobnr2');
			Element.update(item1, '<a href="' + swDLinks[imgDCount] + '" target="_blank"><img src="top/images/banner/dorinco/' + swDImages[imgDCount] + '" width="156" height="100" /></a>');

			imgDCount++;

			SwitchingDImage = false;

		}
	});
	return;
}

function DSwitchImage(imgDNumber) {

	clearTimeout(Dtimer);

	if(!SwitchingDImage){

		SwitchingDImage = true;

		if(!isNaN(imgDNumber)&&(imgDNumber < imgDMaxCount)){
			imgDCount = imgDNumber;
		} else {
			if(imgDCount >= imgDMaxCount){
			imgDCount = 0;
			}
		}

		DtoOutexecute();

		Dtimer = setTimeout('DSwitchImage()','7500')
	}
}



function executeDSwStart() {
	DSwitchImage();
}