/*****************************************************
*               2007-08-13 ©8850.com                 *
*                     scrollAD                       *
*****************************************************/
var scrollG;//设置全局变量	
function moveRightEdge(){
	var yMenuFrom, yMenuTo, yOffset, timeoutNextCheck;
	yMenuFrom = parseInt (scrollG.style.top, 10);
	yMenuTo = document.documentElement.scrollTop + 200; // 上面位子
	timeoutNextCheck = 500;//500毫秒后跟随
	if (yMenuFrom != yMenuTo) {
		yOffset = Math.ceil(Math.abs(yMenuTo - yMenuFrom) / 20);
		
		if (yMenuTo < yMenuFrom) yOffset = -yOffset;
		scrollG.style.top = parseInt (scrollG.style.top, 10) + yOffset + "px";
		timeoutNextCheck = 10;//跟随的速度
	}
	setTimeout ("moveRightEdge()", timeoutNextCheck);
}
window.onload = function(){
	var scrollDiv = document.createElement("div");
	scrollDiv.setAttribute("id","scrollDiv");
	document.body.appendChild(scrollDiv);
	var scrollDivObject = document.getElementById("scrollDiv");
	scrollDivObject.style.cssText = "position:absolute;z-index:10;width:100px;height:100px;";
	scrollDivObject.innerHTML = "<object classid='clsid:D27CDB6E-AE6D-11cf-96B8-444553540000' codebase='http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=7,0,19,0' width='100' height='100' id='slide'><param name='movie' value='http://res.8850.com/swf/event/banner.swf'/><param name='quality' value='high'/><param name='wmode' value='transparent' /><embed src='http://res.8850.com/swf/event/banner.swf' quality='high' pluginspage='http://www.macromedia.com/go/getflashplayer' type='application/x-shockwave-flash' width='100' height='100' name='slide' swliveconnect='true'/></object>"
	var scroll = document.getElementById("scrollDiv");
	scroll.style.top = document.documentElement.scrollTop + 200 + "px";
	scroll.style.left = window.screen.availWidth - 125  + "px";
	scrollG = scroll;
	moveRightEdge();
}