base.js

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	}
	var borderBottomHeight = Element.getStyle(menu, "borderBottomWidth");
	if(borderBottomHeight && parseInt(borderBottomHeight)){
		borderHeight += parseInt(borderBottomHeight);
	}

  menu.style.width = menuWidth + "px";
  if(!pm.directType){
    pm.directType = "BL";
  }
  
  if(menu.offsetHeight > pm.maxHeight){
    menu.style.height = pm.maxHeight + "px";
  }else{
		menu.style.height = menu.offsetHeight - borderHeight + "px";
	}
  
	pm.menuWidth = Element.getWidth(menu);//parseInt(menu.style.width);
	pm.menuHeight = Element.getHeight(menu); //parseInt(menu.style.height);
  
  if (browser.isIE) {
    var iframeEl = document.createElement("IFRAME");
    iframeEl.frameBorder = 0;
    iframeEl.src = "javascript:false;";
    iframeEl.style.display = "none";
    iframeEl.style.position = "absolute";
    iframeEl.style.filter = "progid:DXImageTransform.Microsoft.Alpha(style=0,opacity=0)";
    iframeEl.style.zIndex = 99;
    pm.iframeEl = menu.parentNode.insertBefore(iframeEl, menu);

    iframeEl.style.height = pm.menuHeight + "px"; //(menu.offsetHeight > menu.maxHeight? menu.maxHeight: menu.offsetHeight)   + "px";
    iframeEl.style.width = pm.menuWidth + "px";
  }
    
}

function showMenu(pm){
  var menu = pm.menu;
	var button = pm.button;

  var buttonOff = getOffset(button);
  var browserOffset = getBrowserOffset();

  if(pm.directType == "BL"){
    pm.menuLeft = buttonOff.left;
    if(buttonOff.left + pm.menuWidth > browserOffset.left + browserOffset.width){
      pm.menuLeft = pm.menuLeft - (pm.menuWidth - button.offsetWidth);
    }

    pm.menuTop = buttonOff.top + button.offsetHeight;
    if( (buttonOff.top + button.offsetHeight + menu.offsetHeight > browserOffset.top + browserOffset.height) && (buttonOff.top - pm.menuHeight > browserOffset.top) ){
       pm.menuTop = buttonOff.top - pm.menuHeight;
    }
  }else if(pm.directType == "BC"){
    pm.menuLeft = buttonOff.left  - (pm.menuWidth - button.offsetHeight)/2;

    pm.menuTop = buttonOff.top + button.offsetHeight;
    if( (buttonOff.top + button.offsetHeight + pm.menuHeight > browserOffset.top + browserOffset.height) && (buttonOff.top - pm.menuHeight > browserOffset.top) ){
      pm.menuTop = buttonOff.top - pm.menuHeight;
    }
  }else if(pm.directType == "BR"){
    pm.menuLeft = buttonOff.left + button.offsetWidth - pm.menuWidth;
    if(buttonOff.left - pm.menuWidth < 0){
      pm.menuLeft = buttonRef.left;
    }

    pm.menuTop = buttonOff.top + button.offsetHeight;
    if( (buttonOff.top + button.offsetHeight + pm.menuHeight > browserOffset.top + browserOffset.height) && (buttonOff.top - pm.menuHeight > browserOffset.top) ){
      pm.menuTop = buttonOff.top - pm.menuHeight;
    }
  }else if(pm.directType == "TL"){
    pm.menuLeft = buttonOff.left;
    if(buttonOff.left + pm.menuWidth > browserOffset.left + browserOffset.width){
      pm.menuLeft = pm.menuLeft - (pm.menuWidth - button.offsetWidth);
    }

    pm.menuTop = buttonOff.top - pm.menuHeight;
    if( buttonOff.top - pm.menuHeight < 0){
      pm.menuTop = buttonOff.top + button.offsetHeight;
    }
  }else if(pm.directType == "TC"){
    pm.menuLeft = buttonOff.left  - (pm.menuWidth - button.offsetHeight)/2;

    pm.menuTop = buttonOff.top - pm.menuHeight;
    if( buttonOff.top - pm.menuHeight < browserOffset.left){
      pm.menuTop = buttonOff.top + button.offsetHeight;
    }
  }else if(pm.directType == "TR"){
    pm.menuLeft = buttonOff.left + button.offsetWidth - pm.menuWidth;
    if(buttonOff.left - pm.menuWidth < browserOffset.left){
      pm.menuLeft = buttonRef.left;
    }

    pm.menuTop = buttonOff.top - pm.menuHeight;
    if( buttonOff.top - pm.menuHeight < browserOffset.top){
      pm.menuTop = buttonOff.top + button.offsetHeight;
    }
  }else if(pm.directType == "LT"){
    pm.menuLeft = buttonOff.left - pm.menuWidth;
    if(buttonOff.left - pm.menuWidth < browserOffset.left){
      pm.menuLeft = buttonOff.left + button.offsetWidth;
    }

    pm.menuTop = buttonOff.top;
    if((buttonOff.top + pm.menuHeight > browserOffset.top + browserOffset.height) && (buttonOff.top - pm.menuHeight < browserOffset.top)){
      pm.menuTop = buttonOff.top - pm.menuHeight + button.offsetHeight;
    }
  }else if(pm.directType == "LM"){
    pm.menuLeft = buttonOff.left - pm.menuWidth;
    if(buttonOff.left - pm.menuWidth < browserOffset.left){
      pm.menuLeft = buttonOff.left + button.offsetWidth;
    }

    pm.menuTop = buttonOff.top - (pm.menuHeight - button.offsetHeight)/2;
  }else if(pm.directType == "LB"){
    pm.menuLeft = buttonOff.left - pm.menuWidth;
    if(buttonOff.left - pm.menuWidth < browserOffset.left){
      pm.menuLeft = buttonOff.left + button.offsetWidth;
    }

    pm.menuTop = buttonOff.top - pm.menuHeight + button.offsetHeight;
    if(buttonOff.top -pm.menuHeight + button.offsetHeight < browserOffset.height){
      pm.menuTop = button.locTop;
    }
  }else if(pm.directType == "RT"){
    pm.menuLeft = buttonOff.left + button.offsetWidth;
    if((buttonOff.left + button.offsetWidth + pm.menuWidth > browserOffset.left + browserOffset.width) && (buttonOff.left-pm.menuWidth > browserOffset.left)){
      pm.menuLeft = buttonOff.left - pm.menuWidth;
    }

    pm.menuTop = buttonOff.top;
    if((buttonOff.top + pm.menuHeight > browserOffset.top + browserOffset.height) && (buttonOff.top - pm.menuHeight <browserOffset.height)){
      pm.menuTop = buttonOff.top - pm.menuHeight + button.offsetHeight;
    }
  }else if(pm.directType == "RM"){
    pm.menuLeft = buttonOff.left + button.offsetWidth;
    if((buttonOff.left + button.offsetWidth + pm.menuWidth > browserOffset.left + browserOffset.width) && (buttonOff.left-pm.menuWidth > browserOffset.left)){
      pm.menuLeft = buttonOff.left - pm.menuWidth;
    }

    pm.menuTop = buttonOff.top - (pm.menuHeight - button.offsetHeight)/2;
  }else if(pm.directType == "RB"){
    pm.menuLeft = buttonOff.left + button.offsetWidth;
    if((buttonOff.left + button.offsetWidth + pm.menuWidth > browserOffset.left + browserOffset.width) && (buttonOff.left-pm.menuWidth > browserOffset.left)){
      pm.menuLeft = buttonOff.left - pm.menuWidth;
    }

    pm.menuTop = buttonOff.top - pm.menuHeight + button.offsetHeight;
    if(buttonOff.top -pm.menuHeight + button.offsetHeight < browserOffset.height){
      pm.menuTop = button.locTop;
    }
  }else{
    alert("不支持该位置类型");
    if(pm.iframeEl){
      with (pm.iframeEl.style){
        display='none';
        visibility='hidden';
      }
    }
    with (menu.style){
      display='none';
      visibility='hidden';
    }
    return;
  }

  if(pm.iframeEl){
    with (pm.iframeEl.style){
      display='block';
      visibility='visible';
      top = pm.menuTop+"px";
      left = pm.menuLeft + "px";
			width = pm.menu.offsetWidth + "px";
			//height = pm.menuHeight + "px";
    }
  }
  with (menu.style){
		display='block';
    visibility='visible';
    top = pm.menuTop+"px";
    left = pm.menuLeft + "px";
  }
}

function hideMenu1(){
	clearActivePopTimer();
	activePopTimer = setTimeout("hideMenu2()", 800);
}

function hideMenu2(){
	if (activePopInMenu == null){
			if( activePopMenuId == null) return;
			if( activePopMenu[activePopMenuId].iframeEl != null){
				activePopMenu[activePopMenuId].iframeEl.style.visibility = "hidden";
			}
			activePopMenu[activePopMenuId].menu.style.visibility = "hidden";
			Event.delEvent(activePopMenu[activePopMenuId], "onmouseout", hideMenu);
			activePopMenuId = null;
	}
}

function inMenu(event){
	activePopInMenu = 'NoInMenu';
	clearActivePopTimer();
}

function hideMenu(event){
  if (activePopMenu == null)
    return;

  var el = getEventToElement(event);
	if( el == null){
		el = getEventSrcElement(event);
	}
  if(el == null || getContainerWith(el, "DIV", "menu") == null){
		if( activePopMenuId == null) return;
    if( activePopMenu[activePopMenuId].iframeEl != null){
      activePopMenu[activePopMenuId].iframeEl.style.visibility = "hidden";
    }
		activePopMenu[activePopMenuId].menu.style.visibility = "hidden";
    Event.delEvent(activePopMenu[activePopMenuId], "onmouseout", hideMenu);
    activePopMenuId = null;
  }
}

function hideActiveMenu(){
	if (activePopMenu == null)
    return;
	if (activePopMenuId == null)
		return;
	if( activePopMenu[activePopMenuId].iframeEl != null){
      activePopMenu[activePopMenuId].iframeEl.style.visibility = "hidden";
  }
	activePopMenu[activePopMenuId].menu.style.visibility = "hidden";
  Event.delEvent(activePopMenu[activePopMenuId], "onmouseout", hideMenu);
  activePopMenuId = null;
}

/*======================================end menu function================================================*/

/*=================== 设置png图片在ie浏览器下背景透明，firefox不需要 ==============================*/
function correctAllPNG()
{
  for(var i=0; i<document.images.length; i++)
  {
    var img = document.images[i]
    var imgName = img.src.toUpperCase()
    if (imgName.substring(imgName.length-3, imgName.length) == "PNG")
    {
      var imgID = (img.id) ? "id='" + img.id + "' " : ""
      var imgClass = (img.className) ? "class='" + img.className + "' " : ""
      var imgTitle = (img.title) ? "title='" + img.title + "' " : "title='" + img.alt + "' "
      var imgStyle = "display:inline-block;line-height:1 !important;" + img.style.cssText
      if (img.align == "left") imgStyle = "float:left;" + imgStyle
      if (img.align == "right") imgStyle = "float:right;" + imgStyle
      if (img.parentElement.href) imgStyle = "cursor:hand;" + imgStyle

      
      var strNewHTML = "<span " + imgID + imgClass + imgTitle
      + " unselectable=\"on\" style=\"" + "width:" + img.width + "px; height:" + img.height + "px;" + imgStyle + ";"
      + "filter:progid:DXImageTransform.Microsoft.AlphaImageLoader"
      + "(src=\'" + img.src + "\', sizingMethod='scale');\"></span>"
      img.outerHTML = strNewHTML
      i = i-1
    }
  }
}

if(browser.isIE && browser.version < 7){
  Event.addEvent(window, "onload", correctAllPNG);
}

function correctPNG(Obj){
	return;
	if(browser.isIE && browser.version < 7){
		var img = Obj;
		if(!img.src)return;
		var imgName = img.src.toUpperCase()
		if (imgName.substring(imgName.length-3, imgName.length) == "PNG")
		{
		  var imgID = (img.id) ? "id='" + img.id + "' " : ""
		  var imgClass = (img.className) ? "class='" + img.className + "' " : ""
		  var imgTitle = (img.title) ? "title='" + img.title + "' " : "title='" + img.alt + "' "
		  var imgStyle = "display:inline-block;line-height:1 !important;" + img.style.cssText
		  if (img.align == "left") imgStyle = "float:left;" + imgStyle
		  if (img.align == "right") imgStyle = "float:right;" + imgStyle
		  if (img.parentElement.href) imgStyle = "cursor:hand;" + imgStyle

		  
		  var strNewHTML = "<span " + imgID + imgClass + imgTitle
		  + " unselectable=\"on\" style=\"" + "width:" + img.width + "px; height:" + img.height + "px;" + imgStyle + ";"
		  + "filter:progid:DXImageTransform.Microsoft.AlphaImageLoader"
		  + "(src=\'" + img.src + "\', sizingMethod='scale');\"></span>"
		  img.outerHTML = strNewHTML
		}
	}
}
/*=================== end PNG 设置 ==============================*/


/****================================鼠标移动效果切换===========================*/
var StyleChange = Class.create();
StyleChange.prototype={
  initialize : function (element, classPrefix) {
    var sc = this;
    sc.element = $(element);
    if(!sc.element)return;
    sc.classPrefix = classPrefix;
    //设置默认样式mouseout
    Element.classNames(sc.element).set(sc.classPrefix+"_mouseout");
    Event.addEvent(sc.element, "onmouseover", sc.mouseover.bind(sc));
    Event.addEvent(sc.element, "onmouseout", sc.mouseout.bind(sc));
    Event.addEvent(sc.element, "onmousedown", sc.mousedown.bind(sc));
    Event.addEvent(sc.element, "onmouseup", sc.mouseup.bind(sc));
  },

  mouseover: function(){
    var sc = this;
    Element.classNames(sc.element).set(sc.classPrefix+"_mouseover");
  },

  mouseout: function(){
    var sc = this;
    Element.classNames(sc.element).set(sc.classPrefix+"_mouseout");
  },

  mousedown: function(){
    var sc = this;
    Element.classNames(sc.element).set(sc.classPrefix+"_mousedown");
  },

  mouseup: function(){
    var sc = this;
    Element.classNames(sc.element).set(sc.classPrefix+"_mouseup");
  }

}
/****================================end 鼠标移动效果切换===========================*/



// 检查textarea的最大长度;
function checkTextarea(objId,objName,maxLength){
  if(Trim($(objId).value).length >= parseInt(maxLength)){
    alert(objName + "的最大长度为：" + maxLength);
    //$(objId).value = $(objId).value.substring(0,maxLength - 1);
    return false;
  }
  return true;
}


// 滚动区


var Marquee = Class.create();

Marquee.prototype={
	initialize : function(marqueeId){
    var mq = this;
		mq.body = $(marqueeId);
		if(mq.body == null) return;
		mq.direct = "top";
		mq.interVal = 100;
		mq.interValId = null;
		mq.timerId = null;
		mq.delayTime = 1000;
		mq.step = 1;
		mq.currScroll = 0;
		mq.clientScroll = 0;
		mq.scrollDistance = 0;
		mq.initialized = false;
		Event.addEvent(mq.body, "onmouseover", mq.mouseOver.bind(mq));
		Event.addEvent(mq.body, "onmouseout", mq.mouseOut.bind(mq));
	},

	start : function(){
		var mq = this;
		if(mq.body == null) return;
		var scrollFunc = mq.goon.bind(mq);
		mq.timerId = setTimeout(scrollFunc, mq.delayTime);
	},

	mouseOver : function(){
		var mq = this;
		if(mq.interValId != null){
			clearInterval(mq.interValId);
			mq.interValId = null;
		}
		if(mq.timerId != null){
			clearTimeout(mq.timerId);
			mq.timerId = null;
		}
	},

	mouseOut : function(){
		var mq = this;
		if(mq.currScroll == mq.clientScroll || mq.currScroll == 0){
			var scrollFunc = mq.goon.bind(mq);
			mq.timerId = setTimeout(scrollFunc, mq.delayTime);
		}else{
			var scrollFunc = mq.scroll.bind(mq);
			mq.interValId = setInterval(scrollFunc, mq.interVal);
		}
	},

	initMq: function(){
		var mq = this;
		if(mq.direct == "top" || mq.direct == "bottom"){
			if(mq.body.offsetHeight == 0) return;
			if(mq.clientScroll == 0){
				mq.clientScroll = mq.body.offsetHeight;
			}
			if(mq.body.scrollHeight <= mq.clientScroll) return;
			mq.body.innerHTML += mq.body.innerHTML;
			mq.scrollDistance = mq.body.scrollHeight;
			if(mq.direct == "bottom")
				mq.body.scrollTop = mq.scrollDistance/2;
		}else if(mq.direct == "left" || mq.direct == "right"){
			if(mq.body.scrollWidth == 0) return;
			if(mq.clientScroll == 0){
				mq.clientScroll = mq.body.offsetWidth;
			}
			if(mq.body.scrollWidth <= mq.clientScroll) return;
			mq.body.innerHTML += mq.body.innerHTML;
			mq.scrollDistance = mq.body.scrollWidth;
			mq.body.scrollLeft = 0;
			if(mq.direct == "right")
				mq.body.scrollLeft = mq.scrollDistance/2;
		}else{
			alert("不支持指定的滚动方向");
			return;
		}
		mq.initialized = true;
	},

	goon : function(){
		var mq = this;
		if(!mq.initialized){
			mq.initMq();
			if(!mq.initialized)
				return;
		}
		if(mq.timerId == null){
			clearTimeout(mq.timerId);
		}
		var scrollFunc = mq.scroll.bind(mq, mq);
		mq.interValId = setInterval(scrollFunc, mq.interVal);
	},

	scroll : function(){
		var mq = this;
		if(mq.direct == "top"){
			mq.scrollTop();
		}else if(mq.direct == "bottom"){
			mq.scrollBottom();
		}else if(mq.direct == "left"){
			mq.scrollLeft();
		}else if(mq.direct == "right"){