// JavaScript Document
//--初始化变量--
var rT=true;//允许图像过渡
var bT=true;//允许图像淡入淡出
var tw=150;//提示框宽度
var endaction=false;//结束动画

var ns4 = document.layers;
var ns6 = document.getElementById && !document.all;
var ie4 = document.all;
offsetX = 0;
offsetY = 20;
var toolTipSTYLE="";
function initToolTips(){
  if(ns4||ns6||ie4){
    if(ns4) toolTipSTYLE = document.toolTipLayer;
    else if(ns6) toolTipSTYLE = document.getElementById("toolTipLayer").style;
    else if(ie4) toolTipSTYLE = document.all.toolTipLayer.style;
    if(ns4) document.captureEvents(Event.MOUSEMOVE);
    else{
      toolTipSTYLE.visibility = "visible";
      toolTipSTYLE.display = "none";
    }
    document.onmousemove = moveToMouseLoc;
  }
}

function toolTip(msg, fg, bg){
  if(toolTip.arguments.length < 1){ // hide
    if(ns4) {
    	toolTipSTYLE.visibility = "hidden";
    }else {
      //--图象过渡，淡出处理--
      msgObj=document.getElementById("msg1");
	  if(msgObj.filters!=null){
		  if (!endaction) toolTipSTYLE.display = "none";
		  if (rT) msgObj.filters[1].Apply();
		  if (bT) msgObj.filters[2].Apply();
		  msgObj.filters[0].opacity=0;
		  if (rT) msgObj.filters[1].Play();
		  if (bT) msgObj.filters[2].Play();
		  if (rT && (msgObj.filters[1].status==1 || msgObj.filters[1].status==0))
			toolTipSTYLE.display = "none";
		  if (bT && (msgObj.filters[2].status==1 || msgObj.filters[2].status==0))
			toolTipSTYLE.display = "none";
		  if (!rT && !bT) toolTipSTYLE.display = "none";	
	  }else
	  	  toolTipSTYLE.display = "none";	
    }
  }else {// show
    if(!fg) fg = "#666666";
    if(!bg) bg = "#FFFFF4";
    var content ='<table id="msg1" name="msg1" border="0" cellspacing="0" cellpadding="1" bgcolor="' 
				+ fg + '" style="filter:alpha(opacity=100,enabled=1) revealTrans(duration=.2,transition=1) blendtrans(duration=.2);"><td><table border="0" cellspacing="0" cellpadding="3" bgcolor="' 
				+ bg + '"><td height="30" width=' + tw + ' style="color: #333333;font-size:12px;">' + msg + '</td></table></td></table>';
    if(ns4){
      toolTipSTYLE.document.write(content);
      toolTipSTYLE.document.close();
      toolTipSTYLE.visibility = "visible";
    }
    if(ns6){
      document.getElementById("toolTipLayer").innerHTML = content;
      toolTipSTYLE.display='block'
    }
    if(ie4){
      document.all("toolTipLayer").innerHTML=content;
      toolTipSTYLE.display='block'
      //--图象过渡，淡入处理--
      var cssopaction=document.all("msg1").filters[0].opacity
      document.all("msg1").filters[0].opacity=0;
      if (rT) document.all("msg1").filters[1].Apply();
      if (bT) document.all("msg1").filters[2].Apply();
      document.all("msg1").filters[0].opacity=cssopaction;
      if (rT) document.all("msg1").filters[1].Play();
      if (bT) document.all("msg1").filters[2].Play();
      //----------------------
    }
  }
}

function moveToMouseLoc(e){
  if(ns4||ns6){
    x = e.pageX;
    y = e.pageY;
  } else{
    x = event.x + document.body.scrollLeft;
    y = event.y + document.body.scrollTop;
  }
  toolTipSTYLE.left = x + offsetX;
  toolTipSTYLE.top = y + offsetY;
  return true;
}

//初始化,请在body中导入
document.write("<div id='toolTipLayer' style='position:absolute; visibility: hidden'></div>");
initToolTips();