<HTML> 
<SCRIPT LANGUAGE="JavaScript" > 
var IsDroped =false; 
function mouseout() 
{ 
   window.event.srcElement.style.color = 'white';//鼠标移开时置为白色 
} 
function mouseover() 
{ 
   window.event.srcElement.style.color = 'red';//鼠标进入时置为红色//鼠标进入时置为红色 
} 
function doMenu(MenuID) 
{ 
   var CurMenu = document.all(MenuID); 
   //为避免闪烁,如果下拉菜单已经显示则不重画. 
   if (IsDroped==true) 
   { 
   window.event.cancelBubble = true; 
   return false; 
   } 
   window.event.cancelBubble = true; 
   TempMenu = CurMenu; 
   //计算下拉菜单的位置 
   x = window.event.srcElement.offsetLeft + window.event.srcElement.offsetParent.offsetLeft; 
   x2 = x + window.event.srcElement.offsetWidth; 
   y = pad.offsetHeight; 
   CurMenu.style.top = y; 
   CurMenu.style.left = x; 
   CurMenu.style.clip = "rect(0 0 0 0)"; 
   CurMenu.style.display = "block"; 
   //延时2毫秒后再显示菜单,保证ToolbarMenu.offsetHeight有值,避免从主菜单移向下拉菜单时下拉菜单消失. 
   window.setTimeout("showMenu()", 2); 
   return true; 
} 
function showMenu() 
{ 
   y2 = y + TempMenu.offsetHeight; 
   TempMenu.style.clip = "rect(auto auto auto auto)"; 
   IsDroped =true;//下拉菜单已经显示 
} 
function hideMenu() 
{ 
   //如果在下拉菜单的范围之内移动则不隐藏. 
   cY = event.clientY + document.body.scrollTop; 
   if (cY>=y && cY<y2 && event.clientX >= (x+5) && event.clientX <= x2 || 
   cY>1 && cY<y && event.clientX >= (x+5) && event.clientX <= x2-10) 
   { window.event.cancelBubble = true; return;} 
   //隐藏 
   TempMenu.style.display = "none"; 
   window.event.cancelBubble = true; 
   IsDroped =false; 
} 
</SCRIPT> 
<body topmargin=0 leftmargin=0 marginheight=0 marginwidth=0> 
<DIV ID='menu' STYLE='position:absolute;background-color:white;width:100%;top:0;left:0;'> 
 <DIV ID='pad' STYLE='position:relative;height:20;width:100%;font:bold 11pt 宋体;background-color:#007FFF;color:white;'> 
 <A TARGET='_top' TITLE='' ID='pad1' onmouseout="mouseout(); hideMenu();" onmouseover="mouseover(); doMenu('idpad1');">菜单项一</A> 
 <SPAN style="color:white"></SPAN> 
 <A TARGET='_top' TITLE='' ID='pad2' onmouseout="mouseout(); hideMenu();" onmouseover="mouseover(); doMenu('idpad2');" onclick="window.event.returnValue=false;">菜单项二</A> 
 </DIV> 
</DIV> 
<SPAN ID='idpad1' STYLE='display:none;position:absolute;width:70;background-color:#007FFF;padding-top:0;padding-left:0;padding-bottom:20;z-index:9;' onmouseout='hideMenu();'> 
 <HR STYLE='position:absolute;left:0;top:0;color:white' SIZE=1> 
 <DIV STYLE='position:relative;left:0;top:8;'> 
  <A ID='pad1' STYLE='text-decoration:none;cursor:hand;font:bold 11pt 宋体;color:white' HREF='11.htm' TARGET='_top' onmouseout="mouseout();" onmouseover="mouseover()">子菜单项</A><BR> 
  <A ID='pad1' STYLE='text-decoration:none;cursor:hand;font:bold 11pt 宋体;color:white' HREF='12.htm' TARGET='_top' onmouseout="mouseout();" onmouseover="mouseover()">子菜单项</A><BR> 
  <A ID='pad1' STYLE='text-decoration:none;cursor:hand;font:bold 11pt 宋体;color:white' HREF='13.htm' TARGET='_top' onmouseout="mouseout();" onmouseover="mouseover()">子菜单项</A> 
 </DIV> 
</SPAN> 
<SPAN ID='idpad2' STYLE='display:none;position:absolute;width:70;background-color:#007FFF;padding-top:0;padding-left:0;padding-bottom:20;z-index:9;' onmouseout='hideMenu();'> 
 <HR STYLE='position:absolute;left:0;top:0;color:white' SIZE=1> 
 <DIV STYLE='position:relative;left:0;top:8;'> 
  <A ID='pad2' STYLE='text-decoration:none;cursor:hand;font:bold 11pt 宋体;color:white' HREF='21.htm' TARGET='_top' onmouseout="mouseout();" onmouseover="mouseover()">子菜单项</A><BR>
  <A ID='pad2' STYLE='text-decoration:none;cursor:hand;font:bold 11pt 宋体;color:white' HREF='22.htm' TARGET='_top' onmouseout="mouseout();" onmouseover="mouseover()">子菜单项</A><BR> 
  <A ID='pad2' STYLE='text-decoration:none;cursor:hand;font:bold 11pt 宋体;color:white' HREF='23.htm' TARGET='_top' onmouseout="mouseout();" onmouseover="mouseover()">子菜单项</A><BR> 
  <HR STYLE='color:white' SIZE=1><!--分隔行--> 
  <A ID='pad2' STYLE='text-decoration:none;cursor:hand;font:bold 11pt 宋体;color:white' onclick="parent.close()" onmouseout="mouseout();" onmouseover="mouseover()">退出系统</A> 
 </DIV> 
</SPAN>
</BODY> 
</HTML> 

											

	    
											
