//下拉菜单相关代码
 var h;
 var w;
 var l;
 var t;
 var v;
 var topMar = 0;
 var leftMar = -16;
 var space = 1;
 var isvisible;
 var MENU_SHADOW_COLOR='#999999';//定义下拉菜单阴影色
 var global = window.document
 global.fo_currentMenu = null
 global.fo_shadows = new Array

function HideMenu() 
{
 var mX;
 var mY;
 var vDiv;
 var mDiv;
	if (isvisible == true)
	{
		vDiv = document.all("menuDiv");
		mX = window.event.clientX + document.body.scrollLeft;
		mY = window.event.clientY + document.body.scrollTop;
		if (v==0){
		  if ((mX < parseInt(vDiv.style.left)) || (mX > parseInt(vDiv.style.left)+vDiv.offsetWidth) || (mY < parseInt(vDiv.style.top)-h) || (mY > parseInt(vDiv.style.top)+vDiv.offsetHeight)){
		  	vDiv.style.visibility = "hidden";
			isvisible = false;
		  }
		}
		if (v==1){
		  if (((mX < parseInt(vDiv.style.left-w)) || (mX > parseInt(vDiv.style.left)) || (mY < parseInt(vDiv.style.top)) || (mY > parseInt(vDiv.style.top)+h)) && ((mX < parseInt(vDiv.style.left)) || (mX > parseInt(vDiv.style.left)+vDiv.offsetWidth) || (mY < parseInt(vDiv.style.top)) || (mY > parseInt(vDiv.style.top)+vDiv.offsetHeight))){
			vDiv.style.visibility = "hidden";
			isvisible = false;
		  }
		}
	}
}

function ShowMenu(vMnuCode,tWidth,vType) {
	try{
        idFlash.style.display="none";
        idGif.style.display="";
	}catch(e){}

	vSrc = window.event.srcElement;
	vMnuCode = "<table id='submenu' cellspacing=0 cellpadding=0 style='width:"+tWidth+"' class=tablebody1 onmouseout='HideMenu()'><tr height=23><td nowrap align=left class=tablebody1>" + vMnuCode + "</td></tr></table>";

	h = vSrc.offsetHeight;
	w = vSrc.offsetWidth;
        v = vType
        if (v==0){
		l = vSrc.offsetLeft + leftMar+4;
		t = vSrc.offsetTop + topMar + h + space-2;
        }
	if (v==1){
  		l = vSrc.offsetLeft + w ;
	 	t = vSrc.offsetTop;
        }
	vParent = vSrc.offsetParent;
	while (vParent.tagName.toUpperCase() != "BODY")
	{
		l += vParent.offsetLeft;
		t += vParent.offsetTop;
		vParent = vParent.offsetParent;
	}

	menuDiv.innerHTML = vMnuCode;
	menuDiv.style.top = t;
	menuDiv.style.left = l;
	menuDiv.style.visibility = "visible";
	isvisible = true;
       makeRectangularDropShadow(submenu, MENU_SHADOW_COLOR, 4)
}

function makeRectangularDropShadow(el, color, size)
{
	var i;
	for (i=size; i>0; i--)
	{
		var rect = document.createElement('div');
		var rs = rect.style
		rs.position = 'absolute';
		rs.left = (el.style.posLeft + i) + 'px';
		rs.top = (el.style.posTop + i) + 'px';
		rs.width = el.offsetWidth + 'px';
		rs.height = el.offsetHeight + 'px';
		rs.zIndex = el.style.zIndex - i;
		rs.backgroundColor = color;
		var opacity = 1 - i / (i + 1);
		rs.filter = 'alpha(opacity=' + (100 * opacity) + ')';
		el.insertAdjacentElement('afterEnd', rect);
		global.fo_shadows[global.fo_shadows.length] = rect;
	}
}



function display(i)
{
	ShowMenu(document.all("submenu" + i).innerHTML,100,0)
}

function twodisplay(i)
{
	document.all("twomenu" + i).className="tdOverClass" ;
       ShowMenu(document.all("twosubmenu" + i).innerHTML,100,1);
}

function OverClass(theID)
{
	theID.className = "tdOverClass";
}

function OutClass(theID)
{
	theID.className = "tdOutClass";
}

function SubMenu(){
document.write ("<div id='submenu0' align='left' class='subMenuClass'>");
document.write ("<table id='tb0' width='100px' cellspacing='0' cellpadding='0' class='tblClass'>");
//document.write ("<tr><td id='item00' nowrap onmouseover=OverClass(this) onmouseout=OutClass(this) class='tdOutClass' height='16' onclick=\"location.href='#'\">&nbsp;WTO/TBT基本知识</td></tr> ");
//document.write ("<tr><td id='item01' nowrap onmouseover=OverClass(this) onmouseout=OutClass(this) class='tdOutClass' height='16' onclick=\"location.href='#'\">&nbsp;WTO/TBT通报</td></tr> ");
//document.write ("<tr><td id='item02' nowrap onmouseover=OverClass(this) onmouseout=OutClass(this) class='tdOutClass' height='16' onclick=\"location.href='#'\">&nbsp;技术法规</td></tr> ");
//document.write ("<tr><td id='item03' nowrap onmouseover=OverClass(this) onmouseout=OutClass(this) class='tdOutClass' height='16' onclick=\"location.href='#'\">&nbsp;案例分析</td></tr> ");

document.write ("</table>");
document.write ("</div>");

document.write ("<div id='submenu2' align='left' class='subMenuClass'>");
document.write ("<table id='tb1' width='80px' cellspacing='0' cellpadding='0' class='tblClass'>");
document.write ("<tr><td id='item26' nowrap onmouseover=OverClass(this) onmouseout=OutClass(this) class='tdOutClass' height='16' align='left' onclick=\"location.href='#'\">&nbsp;新到图书</td></tr>");
document.write ("<tr><td id='item27' nowrap onmouseover=OverClass(this) onmouseout=OutClass(this) class='tdOutClass' height='16' align='left' onclick=\"location.href='#'\">&nbsp;推荐图书</td></tr>");
document.write ("<tr><td id='item28' nowrap onmouseover=OverClass(this) onmouseout=OutClass(this) class='tdOutClass' height='16' align='left' onclick=\"location.href='#'\">&nbsp;在线订购</td></tr>");
document.write ("<tr><td id='item29' nowrap onmouseover=OverClass(this) onmouseout=OutClass(this) class='tdOutClass' height='16' align='left' onclick=\"location.href='#'\">&nbsp;付款方式</td></tr>");
document.write ("</table>");
document.write ("</div>");

document.write ("<div id='submenu3' align='left' class='subMenuClass'>");
document.write ("<table id='tb3' width='80px' cellspacing='0' cellpadding='0' class='tblClass'>");
document.write ("<tr><td id='item30' nowrap onmouseover=OverClass(this) onmouseout=OutClass(this) class='tdOutClass' height='18' align='left' onclick=\"location.href='fwzn.asp'\">&nbsp;服务指南</td></tr>");
document.write ("<tr><td id='item31' nowrap onmouseover=OverClass(this) onmouseout=OutClass(this) class='tdOutClass' height='18' align='left' onclick=\"location.href='Intrd.asp'\">&nbsp;入网简介</td></tr>");
//document.write ("<tr><td id='item32' nowrap onmouseover=OverClass(this) onmouseout=OutClass(this) class='tdOutClass' height='18' align='left' onclick=\"location.href='#'\">&nbsp;认证咨询</td></tr>");
//document.write ("<tr><td id='item32' nowrap onmouseover=OverClass(this) onmouseout=OutClass(this) class='tdOutClass' height='18' align='left' onclick=\"location.href='#'\">&nbsp;市场准入咨询</td></tr>");
document.write ("<tr><td id='item32' nowrap onmouseover=OverClass(this) onmouseout=OutClass(this) class='tdOutClass' height='18' align='left' onclick=\"location.href='bzzx.asp'\">&nbsp;标准化咨询</td></tr>");
document.write ("</table>");
document.write ("</div>");


}