//===== relative URL handling code for js files ================
sWZBaseFolder = "/";                          
sWZ = window.location.href;                                     
iWZ = sWZ.indexOf(sWZBaseFolder) + sWZBaseFolder.length + 1;    
sWZBase = sWZ.substring(0,iWZ);                                 
//===== Copyright ?2001 Spidersoft. All rights reserved. ======

var imgHover=new Image();
imgHover.src=' + sWZBase + "images/arrow_hover.gif" + ' ;
function chgImg(n) {
	var img = eval("img"+n);
	img.src=imgHover.src;
}

function restoreImg(n) {
	var img = eval("img"+n);
	img.src=' + sWZBase + "images/arrow.gif" + ' ;
}

// =============================================================
// 滚动内容部分

var iTimer;
// oScrollDivHeight 等于滚动内容部分层的高度
var oScrollDivHeight = 115;
// oScrollBarHeight 等于滚动条部分的高度减去滑块的高度
var oScrollBarHeight = 81;
// oTime 为滚动频率
var oTime = 100;
function downIt()
{
//alert(mq.scrollHeight)
clearInterval(iTimer);

iTimer = setInterval("mq.doScroll('down');divImg.style.top=mq.scrollTop*oScrollBarHeight/(mq.scrollHeight-oScrollDivHeight)", oTime);

}
function upIt()
{
clearInterval(iTimer);
iTimer = setInterval("mq.doScroll('up');divImg.style.top=divImg.style.top=mq.scrollTop*oScrollBarHeight/(mq.scrollHeight-oScrollDivHeight)", oTime);
}

var scroll,oldY=0;

function startScroll(){
	scroll=true;
	divImg.setCapture();

	if (oldY==0) oldY = event.y;
}

function scrollIt()
{
	if (scroll==true && event.y>=oldY && event.y<=oScrollBarHeight+oldY && mq.scrollHeight>oScrollDivHeight){
	divImg.style.top=event.y-oldY;
	mq.scrollTop = (event.y-oldY)/oScrollBarHeight*(mq.scrollHeight-oScrollDivHeight);
}}

function stopScroll(){
	document.releaseCapture();
	scroll=false;
}

// =============================================================
// 导航菜单部分
var menu = new Array;
menu[0] = "menuBase";
menu[1] = "menuAdvance";
menu[2] = "menuLinian";
menu[3] = "menuDown";

function showMenu(n){
	var obj = eval(menu[n]);
	
	if(obj.style.visibility=="visible") return;

	obj.style.visibility="visible";

	for (i=0;i<4;i++){
		mObj = eval(menu[i]);
		if (i!=n) mObj.style.visibility="hidden";
}}

function hideMenu(n) {
	var obj = eval(menu[n]);
	obj.style.visibility="hidden";

}