//函数名：chkemail     
//功能介绍：检查是否为Email Address     
//参数说明：要检查的字符串     
//返回值：0：不是 1：是    
function chkemail(a)     
{ 
	var i=a.length;     
	var temp = a.indexOf('@');     
	var tempd = a.indexOf('.');     
	if (temp > 1) {     
		if ((i-temp) > 3){     
			if ((i-tempd)>0){     
				return 1;     
			}         
		}     
	}     
	return 0;     
}

//左侧导航菜单背景
function o(object,f){
	object.background="images/dh_bg2.gif";
	f.style.color="#FFFFFF";
}
function c(object,f){
	object.background="";
	f.style.color="#797979";
}

//头栏目导航菜单背景
function ohead(object){
	object.background="images/mu2.jpg";

}
function chead(object){
	object.background="images/mu1.jpg";
}
function dhead(object){
	object.background="images/mu2.jpg";
}
function dd(i){
	var strMu = "mu_"+i;
	var object=document.getElementById(strMu);
	if(Object != null){
		object.background="images/mu2.jpg";
	}
}

//详细查看按钮图片
function oa(object){
	object.src="../images/btn/btn_xh_2.gif";
}
function ca(object){
	object.src="../images/btn/btn_xh.gif"; 
}
//产品类别文字背景
function op(object){
	object.style.background="#FFFFFF";
}
function cp(object){
	object.style.background="#F5F5F5";
}
//弹出窗口函数
function imeWin(file,w,h){
   window.open(file,'','resizable=yes,width='+w+",height="+h+',scrollbars=yes,left='+(screen.availWidth-w)/2+',top='+(screen.availHeight-h)/2);
}

 function farjump(id,Jumppage) 
 {
  window.location.href=Jumppage + "?id=" + id;
 }
             


function setTransition(){
   if (document.all){
      bannerADrotator.filters.revealTrans.Transition=23;
      bannerADrotator.filters.revealTrans.apply();
   }
}



function playTransition(){
   if (document.all)
      bannerADrotator.filters.revealTrans.play()
}

function nextAd(){
   if(adNum<bannerAD.length-1)adNum++ ;
      else adNum=0;
   setTransition();
   document.images.bannerADrotator.src=bannerAD[adNum];
   playTransition();
   theTimer=setTimeout("nextAd()", 3000);
}

function jump2url(){
   jumpUrl=bannerADlink[adNum];
   jumpTarget="_blank";
  
   window.open(jumpUrl,jumpTarget);
   
}
function displayStatusMsg() { 
   status=bannerADlink[adNum];
   document.returnValue = true;
}