var cssdropdown={
disappeardelay: 230, //set delay in miliseconds before menu disappears onmouseout
dropdownindicator: '', //specify full HTML to add to end of each menu item with a drop down menu
enablereveal: [true, 3], //enable swipe effect? [true/false, steps (Number of animation steps. Integer between 1-20. Smaller=faster)]
enableiframeshim: 1, //enable "iframe shim" in IE5.5 to IE7? (1=yes, 0=no)

//No need to edit beyond here////////////////////////

dropmenuobj: null, asscmenuitem: null, domsupport: document.all || document.getElementById, standardbody: null, iframeshimadded: false, revealtimers: {},

getposOffset:function(what, offsettype){
	var totaloffset=(offsettype=="left")? what.offsetLeft : what.offsetTop;
	var parentEl=what.offsetParent;
	while (parentEl!=null){
		totaloffset=(offsettype=="left")? totaloffset+parentEl.offsetLeft : totaloffset+parentEl.offsetTop;
		parentEl=parentEl.offsetParent;
	}
	return totaloffset;
},

css:function(el, targetclass, action){
	var needle=new RegExp("(^|\\s+)"+targetclass+"($|\\s+)", "ig")
	if (action=="check")
		return needle.test(el.className)
	else if (action=="remove")
		el.className=el.className.replace(needle, "")
	else if (action=="add" && !needle.test(el.className))
		el.className+=" "+targetclass
},

showmenu:function(dropmenu, e){
	if (this.enablereveal[0]){
		if (!dropmenu._trueheight || dropmenu._trueheight<10)
			dropmenu._trueheight=dropmenu.offsetHeight
		clearTimeout(this.revealtimers[dropmenu.id])
		dropmenu.style.height=dropmenu._curheight=0
		dropmenu.style.overflow="hidden"
		dropmenu.style.visibility="visible"
		this.revealtimers[dropmenu.id]=setInterval(function(){cssdropdown.revealmenu(dropmenu)}, 10)
	}
	else{
		dropmenu.style.visibility="visible"
	}
	this.css(this.asscmenuitem, "selected", "add")
},

revealmenu:function(dropmenu, dir){
	var curH=dropmenu._curheight, maxH=dropmenu._trueheight, steps=this.enablereveal[1]
	if (curH<maxH){
		var newH=Math.min(curH, maxH)
		dropmenu.style.height=newH+"px"
		dropmenu._curheight= newH + Math.round((maxH-newH)/steps) + 1
	}
	else{ //if done revealing menu
		dropmenu.style.height="auto"
		dropmenu.style.overflow="hidden"
		clearInterval(this.revealtimers[dropmenu.id])
	}
},

clearbrowseredge:function(obj, whichedge){
	var edgeoffset=0
	if (whichedge=="rightedge"){
		var windowedge=document.all && !window.opera? this.standardbody.scrollLeft+this.standardbody.clientWidth-15 : window.pageXOffset+window.innerWidth-15
		var dropmenuW=this.dropmenuobj.offsetWidth
		if (windowedge-this.dropmenuobj.x < dropmenuW)  //move menu to the left?
			edgeoffset=dropmenuW-obj.offsetWidth
	}
	else{
		var topedge=document.all && !window.opera? this.standardbody.scrollTop : window.pageYOffset
		var windowedge=document.all && !window.opera? this.standardbody.scrollTop+this.standardbody.clientHeight-15 : window.pageYOffset+window.innerHeight-18
		var dropmenuH=this.dropmenuobj._trueheight
		if (windowedge-this.dropmenuobj.y < dropmenuH){ //move up?
			edgeoffset=dropmenuH+obj.offsetHeight
			if ((this.dropmenuobj.y-topedge)<dropmenuH) //up no good either?
				edgeoffset=this.dropmenuobj.y+obj.offsetHeight-topedge
		}
	}
	return edgeoffset
},

dropit:function(obj, e, dropmenuID){
	if (this.dropmenuobj!=null) //hide previous menu
		this.hidemenu() //hide menu
	this.clearhidemenu()
	this.dropmenuobj=document.getElementById(dropmenuID) //reference drop down menu
	this.asscmenuitem=obj //reference associated menu item
	this.showmenu(this.dropmenuobj, e)
	this.dropmenuobj.x=this.getposOffset(obj, "left")
	this.dropmenuobj.y=this.getposOffset(obj, "top")
	this.dropmenuobj.style.left=this.dropmenuobj.x-this.clearbrowseredge(obj, "rightedge")+"px"
	this.dropmenuobj.style.top=this.dropmenuobj.y-this.clearbrowseredge(obj, "bottomedge")+obj.offsetHeight+0+"px" //top偏移
	this.positionshim() //call iframe shim function
},

positionshim:function(){ //display iframe shim function
	if (this.iframeshimadded){
		if (this.dropmenuobj.style.visibility=="visible"){
			this.shimobject.style.width=this.dropmenuobj.offsetWidth+"px"
			this.shimobject.style.height=this.dropmenuobj._trueheight+"px"
			this.shimobject.style.left=parseInt(this.dropmenuobj.style.left)+"px"
			this.shimobject.style.top=parseInt(this.dropmenuobj.style.top)+"px"
			this.shimobject.style.display="block"
		}
	}
},

hideshim:function(){
	if (this.iframeshimadded)
		this.shimobject.style.display='none'
},

isContained:function(m, e){
	var e=window.event || e
	var c=e.relatedTarget || ((e.type=="mouseover")? e.fromElement : e.toElement)
	while (c && c!=m)try {c=c.parentNode} catch(e){c=m}
	if (c==m)
		return true
	else
		return false
},

dynamichide:function(m, e){
	if (!this.isContained(m, e)){
		this.delayhidemenu()
	}
},

delayhidemenu:function(){
	this.delayhide=setTimeout("cssdropdown.hidemenu()", this.disappeardelay) //hide menu
},

hidemenu:function(){
	this.css(this.asscmenuitem, "selected", "remove")
	this.dropmenuobj.style.visibility='hidden'
	this.dropmenuobj.style.left=this.dropmenuobj.style.top="-1000px"
	this.hideshim()
},

clearhidemenu:function(){
	if (this.delayhide!="undefined")
		clearTimeout(this.delayhide)
},

addEvent:function(target, functionref, tasktype){
	if (target.addEventListener)
		target.addEventListener(tasktype, functionref, false);
	else if (target.attachEvent)
		target.attachEvent('on'+tasktype, function(){return functionref.call(target, window.event)});
},

startchrome:function(){
	if (!this.domsupport)
		return
	this.standardbody=(document.compatMode=="CSS1Compat")? document.documentElement : document.body
	for (var ids=0; ids<arguments.length; ids++){
		var menuitems=document.getElementById(arguments[ids]).getElementsByTagName("a")
		for (var i=0; i<menuitems.length; i++){
			if (menuitems[i].getAttribute("rel")){
				var relvalue=menuitems[i].getAttribute("rel")
				var asscdropdownmenu=document.getElementById(relvalue)
				this.addEvent(asscdropdownmenu, function(){cssdropdown.clearhidemenu()}, "mouseover")
				this.addEvent(asscdropdownmenu, function(e){cssdropdown.dynamichide(this, e)}, "mouseout")
				this.addEvent(asscdropdownmenu, function(){cssdropdown.delayhidemenu()}, "click")
				try{
					menuitems[i].innerHTML=menuitems[i].innerHTML+" "+this.dropdownindicator
				}catch(e){}
				this.addEvent(menuitems[i], function(e){ //show drop down menu when main menu items are mouse over-ed
					if (!cssdropdown.isContained(this, e)){
						var evtobj=window.event || e
						cssdropdown.dropit(this, evtobj, this.getAttribute("rel"))
					}
				}, "mouseover")
				this.addEvent(menuitems[i], function(e){cssdropdown.dynamichide(this, e)}, "mouseout") //hide drop down menu when main menu items are mouse out
				this.addEvent(menuitems[i], function(){cssdropdown.delayhidemenu()}, "click") //hide drop down menu when main menu items are clicked on
			}
		} //end inner for
	} //end outer for
	if (this.enableiframeshim && document.all && !window.XDomainRequest && !this.iframeshimadded){ //enable iframe shim in IE5.5 thru IE7?
		document.write('<IFRAME id="iframeshim" src="about:blank" frameBorder="0" scrolling="no" style="left:0; top:0; position:absolute; display:none;z-index:90; background: transparent;"></IFRAME>')
		this.shimobject=document.getElementById("iframeshim") //reference iframe object
		this.shimobject.style.filter='progid:DXImageTransform.Microsoft.Alpha(style=0,opacity=0)'
		this.iframeshimadded=true
	}
} //end startchrome

}
function isEmail(strEmail) { 
if (strEmail.search(/^\w+((-\w+)|(\.\w+))*\@[A-Za-z0-9]+((\.|-)[A-Za-z0-9]+)*\.[A-Za-z0-9]+$/) != -1) 
return true;
} 
function sendmail(){ 
	  if(document.getElementById("zhuti").value.length < 4)
		{
			document.getElementById("errzhuti").innerHTML="留言主题不能少于四个汉字";
			document.getElementById("zhuti").focus();
			return false;
		}else if (document.getElementById("content").value.length < 6 ){
			document.getElementById("errcontent").innerHTML="留言内容不能小于六个汉字";
			document.getElementById("content").focus();
			return false;
		}else if (document.getElementById("username").value=="") {
			document.getElementById("errusername").innerHTML="联系人不能为空";
			document.getElementById("username").focus();
			return false;
		}else if (document.getElementById("tel").value=="") {
			document.getElementById("errtel").innerHTML="联系电话不能为空";
			document.getElementById("tel").focus();
			return false;
		}else if (!isEmail(document.getElementById("email").value)) {
			document.getElementById("erremail").innerHTML="Email邮箱格式错误";
			document.getElementById("email").focus();
			return false;
		}else{
		  if (confirm('确定马上提交这些信息给我们吗？！')){
		  document.getElementById("mailbody").value=document.getElementById("tomail").innerHTML;
		  document.getElementById("uname").value=document.getElementById("username").value;
		  document.smail.submit();
	         }
	    }
	  }

//video
function $(element){
  return element = document.getElementById(element);
}

function $D1(obj){
  var h=obj.offsetHeight;
  var maxh=165;
  function dmove(){
    h+=20; //设置层展开的速度
    if(h>=maxh){
      obj.style.height=maxh+'px';
      clearInterval(iIntervalId);
    }else{
      obj.style.display='block';
      obj.style.height=h+'px';
    }
  }
  iIntervalId=setInterval(dmove,2);
}

function $D2(obj){
  var h=obj.offsetHeight;
  var maxh=165;
  function dmove(){
    h-=20;//设置层收缩的速度
    if(h<=0){
      obj.style.display='none';
      clearInterval(iIntervalId);
    }else{
      obj.style.display='block';
      obj.style.height=h+'px';
    }
  }
  iIntervalId=setInterval(dmove,2);
}

function $use(obj){
  var obj=$(obj);
  var sb=$('spn');
  if(obj.style.display=='none'){
    $D1(obj);
    sb.className='up';
	getVcastr().videoPlay();
  }else{
    $D2(obj);
    sb.className='down';
	getVcastr().videoStop();
  }
}
function getVcastr() {
         if (navigator.appName.indexOf("Microsoft") != -1) {
             return window["player"];
         } else {
             return document["player"];
         }
     }
/*flash*/
function gID(i) {
	return document.getElementById(i);	
}

function validateSearchForm() {
	var s = gID("query");
	var q = gID("sele");
	var f = gID("searchform");
	if (s.value == "" || s.value == "请输入关键字 →") {
		alert("错误:\n\n - 请输入查询产品的关键字");
		s.focus();
		return false;
	} else {
		if (q.options.selectedIndex == "1") {f.action="/page/EasyArticle/search.asp"};
		return true;
	}
}


function initInputs(tagname) {
	var inputs = document.getElementsByTagName(tagname);
	var defaultValues = new Array();
	for (var i = 0; i < inputs.length; i++) {
		if (inputs[i].type == "text" || inputs[i].type == "textarea") {
			defaultValues[inputs[i].id] = inputs[i].value;
			// focus
			inputs[i].onfocus = function() {
				if (this.value == defaultValues[this.id]) {
					this.value = "";
				}
			}
			// blur
			inputs[i].onblur = function() {
				if (this.value == "") {
					this.value = defaultValues[this.id];
				} else {
					// tidy the text field
					this.value = trim(this.value);	
				}
			}
		}
	}
}

function insertFlash(elm, url, w, h,pics,links,texts) 
{
	if (!document.getElementById(elm)) return;
	var interval_time=5 //图片停顿时间，单位为秒，为0则停止自动切换
var text_height=0 //标题高度
var text_align= 'center' //标题文字对齐方式(left、center、right)
var swf_height = h
	var str = '';
	str += '<span><object classid="clsid:d27cdb6e-ae6d-11cf-96b8-444553540000" codebase="http://fpdownload.macromedia.com/pub/shockwave/cabs/flash/swflash.cabversion=6,0,0,0" width="'+ w +'" height="'+ h +'">';
	str += '<param name="movie" value="'+url+'"><param name="quality" value="high">';
	str += '<param name="menu" value="false">';
	
	if(arguments.length>4)
	{
		str += '<param name="wmode" value="opaque">';
		str += '<param name="FlashVars" value="pics='+pics+'&links='+links+'&texts='+texts+'&borderwidth='+w+'&borderheight='+h+'&textheight='+text_height+'&text_align='+text_align+'&interval_time='+interval_time+'">';
		str += '<embed src="'+url+'" wmode="opaque" FlashVars="pics='+pics+'&links='+links+'&texts='+texts+'&borderwidth='+w+'&borderheight='+h+'&textheight='+text_height+'&text_align='+text_align+'&interval_time='+interval_time+'" menu="false" width="'+ w +'" height="'+ h +'" type="application/x-shockwave-flash" pluginspage="http://www.macromedia.com/go/getflashplayer" /></object>';	
	}
	else
	{   str += '<param name="wmode" value="transparent">';
		str += '<embed src="'+url+'" quality="high" pluginspage="http://www.macromedia.com/go/getflashplayer" type="application/x-shockwave-flash" width="'+w+'" height="'+h+'" wmode="transparent"></embed></object><、span>'
	}
	document.getElementById(elm).innerHTML = str;
}