// 图片新闻属性设置
var E_strIFaderTransType     = 'reveal'; // 'reveal' | 'blend'
var Filter_number    = 23;       // 滤镜种数
var change_time = 3.000;    // 滤镜转换过程为3.0秒延迟
var wait_time    = 5000;     // 两种滤镜之间为5秒延迟

var obj_Timer;
var count_temp = 0; //记录当前是第几幅图片
var E_ie4 = document.all?true:false;
var E_nn4 = document.layers?true:false;

function Filt_set() //设置滤镜
{
	if(!E_ie4 && !E_nn4) return;
	if(E_ie4) {
		var theImg = document.all['idImgFading'];
		if(theImg == null) return;
		with(document.all['idImgFading']) {
			style.filter = (E_strIFaderTransType == 'reveal')?'revealTrans':'blendTrans';
			style.filter.duration = change_time;
			style.filter.transition = Filter_number;
		}
	}
	use_Filter();
	obj_Timer = window.setInterval('use_Filter()',wait_time);
}

function use_Filter() //滤镜的启动
{
	if(E_ie4) {
		with(document.all['idImgFading']) {
			if(E_strIFaderTransType == 'reveal') {
				filters(0).transition = Filter_number;			}
			if(count_temp == (Img_arry.length - 1)) {
				count_temp = -1;
			}
			count_temp++;
			filters(0).apply();
			src = Img_arry[count_temp].sImgUrl; 
			filters(0).play();
		}
	}
	else if(E_nn4) {
		if(count_temp == (Img_arry.length - 1)) {
			count_temp = -1;
		}
		count_temp++;
		document.images['idImgFading'].src = Img_arry[count_temp].sImgUrl;
	}
}

function obj_ClearTime() {
	window.clearInterval(obj_Timer);
}
window.onunload = obj_ClearTime;//取消计时器，释放系统资源