function high(which2){
theobject=which2
highlighting=setInterval("highlightit(theobject)",40)
}
function low(which2){
clearInterval(highlighting)
which2.filters.alpha.opacity=100
}
function highlightit(cur2){
if (cur2.filters.alpha.opacity>50)
cur2.filters.alpha.opacity-=5
else if (window.highlighting)
clearInterval(highlighting)
}
function init()
{
document.login.name.focus();
}
function checkinput()
{
if (document.login.name.value=="")
{alert("请填入您的电子信箱用户名，“@”前头部分！");
document.login.name.focus();
return false;}

if (document.login.domain.value=="")
{alert("请填入您的电子信箱后缀名，“@”后头部分！");
document.login.name.focus();
return false;}
if (document.login.domain.value!="") {
if ((document.login.domain.value.indexOf("esrd.gov.cn")<0)||(document.login.domain.value.indexOf(":")!=-1)||(document.login.domain.value.indexOf(".")<0)||(document.login.domain.value.length<11))
{alert("您的电子信箱后缀名应为小写的“esrd.gov.cn”，请重新填入！");
document.login.domain.focus();
document.login.domain.select();
return false;}
}
if (document.login.passwd.value=="")
{alert("请正确填入您的电子信箱登录密码，注意字母大小区分！");
document.login.passwd.focus();
return false;}
return true;
}
function MM_preloadImages() { 
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_swapImgRestore() { 
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_findObj(n, d) { 
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { 
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}
	function checkform(){
		if(document.SearchForm.Keyword.value.length==0){
		alert('友情提示（www.gdsgsafety.gov.cn）：\n\n搜索关键字不能为空，请重新输入！          ');
		SearchForm.Keyword.focus();
		return false;
		}
	}