function winload()
{
coupletlayer1.style.top=20;
coupletlayer1.style.left=5;
coupletlayer2.style.top=20;
coupletlayer2.style.right=5;
}
if(document.body.offsetWidth>=800){	

var ads = 1;
var ran = Math.random();
var ad = Math.round(ran * (ads-1))+1;
U_SCREEN = window.screen.width;


if (ad == 1) {
	AD_LINK_ONE	= "http://changzhi66.com";
	AD_TITLE	= "长治宽频";
	AD_SRC_ONE	= "/Images/ad_movie.gif";
	AD_WIDTH	= "80";
	AD_HEIGHT	= "80";
	AD_FORMAT	= "1";
}

if (AD_FORMAT=="1") {
	document.write("<div id='dd' style='Z-INDEX: 1; WIDTH:" + AD_WIDTH + "px; POSITION: absolute; HEIGHT: " + AD_HEIGHT + "px'>");
	document.write("<a href='" + AD_LINK_ONE + "' target='_blank'><img src='" + AD_SRC_ONE + "' width='" + AD_WIDTH + "' height='" + AD_HEIGHT + "'alt='" + AD_TITLE + "' border='0'></a></div>");
} else {
	var preview_id = "preview" + parseInt(Math.random() * 0xffffff);
	document.write("<div id='dd' style='Z-INDEX: 1; WIDTH:" + AD_WIDTH + "px; POSITION: absolute; HEIGHT: " + AD_HEIGHT + "px'>");
	document.write("<object classid='clsid:D27CDB6E-AE6D-11cf-96B8-444553540000'       codebase='http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=5,0,0,0' width='" + AD_WIDTH + "' height='" + AD_HEIGHT + "' id='" + preview_id +"'>");
	document.write("<param name=movie value='" + AD_SRC_ONE + "'>");
	document.write("<param name=quality value=high>");
	document.write("<param name=menu value=false>");
	document.write("<embed src='" + AD_SRC_ONE + "' quality=high pluginspage='http://www.macromedia.com/shockwave/download/index.cgi?P1_Prod_Version=ShockwaveFlash' type='application/x-shockwave-flash' width='" + AD_WIDTH + "' height='" + AD_HEIGHT +"'></embed>");
	document.write("</object></div>");
	document.write("<script language='JavaScript'>");
	document.write(preview_id + ".setVariable('href','" + AD_LINK_ONE + "')");
	document.write("</script>");
}

}

var xPos = 20;							// 起始横向位置(从左算起，单位象素)
var yPos = document.body.clientHeight;	// 页面本身高度
var step = 1; 
var delay = 20; 						// 速度，值越大速度越慢
var height = 0;
var Hoffset = 0;
var Woffset = 0;
var yon = 0;
var xon = 0;
var pause = true;
var interval;
dd.style.top = yPos;
function changePos() {
	width = document.body.clientWidth;		// 判断浏览器窗口的宽度
	height = document.body.clientHeight; 	// 判断浏览器窗口的高度
	Hoffset = dd.offsetHeight;
	Woffset = dd.offsetWidth;
	dd.style.left = xPos + document.body.scrollLeft;
	dd.style.top = yPos + document.body.scrollTop;
	if (yon) {
		yPos = yPos + step;
	} else {
		yPos = yPos - step;
	}
	if (yPos < 0) {
		yon = 1;
		yPos = 0;
	}
	if (yPos >= (height - Hoffset)) {
		yon = 0;
		yPos = (height - Hoffset);
	}
	if (xon) {
		xPos = xPos + step;
	} else {
		xPos = xPos - step;
	}
	if (xPos < 0) {
		xon = 1;
		xPos = 0;
	}
	if (xPos >= (width - Woffset)) {
		xon = 0;
		xPos = (width - Woffset);
   }
}
function start() {
	dd.visibility = "visible";
	interval = setInterval('changePos()', delay);
}
function pause_resume() {
	if(pause) {
		clearInterval(interval);pause = false;
	} else {
		interval = setInterval('changePos()',delay);
		pause = true;
	}
}
start();