document.ns = navigator.appName == "Microsoft Internet Explorer"

  function doCouplet(){
	  if((document.body.offsetWidth>800) && document.ns){	
	    couplet_left.style.visibility='visible';
	    couplet_right.style.visibility='visible';	  
	    couplet_left.style.top=50;
	    couplet_left.style.left=10;
	    couplet_right.style.top=50;
	    couplet_right.style.right=10;
	  }
  }

  function isEmpty(word,alertword) {
    if (word.value.length==0) {
      alert(alertword);
      word.focus();
      return true;
    } else {
      return false;
    }
  }

  function isEmpty0(word,alertword) {
    if (word.value==0) {
      alert(alertword);
      word.focus();
      return true;
    } else {
      return false;
    }
  }

  
  function isLengthBig(word,wordlength,alertword) {
    if (word.value.length<wordlength) {
      alert(alertword);
      word.focus();
      return true;
    } else {
      return false;
    }
  }

  function isLengthSmall(word,wordlength,alertword) {
    if (word.value.length>wordlength) {
      alert(alertword);
      word.focus();
      return true;
    } else {
      return false;
    }
  }

  function isBig(word,wordlength,alertword) {
    if (word.value<wordlength) {
      alert(alertword);
      word.focus();
      return true;
    } else {
      return false;
    }
  }

  function isSmall(word,wordlength,alertword) {
    if (word.value>wordlength) {
      alert(alertword);
      word.focus();
      return true;
    } else {
      return false;
    }
  }

  function isEqual(word1,word2,alertword) {
    if (word1.value!=word2.value) {
      alert(alertword);
      word1.focus();
      return true;
    } else {
      return false;
    }
  }

  function isNotEqual(word1,word2,alertword) {
    if (word1.value==word2.value) {
      alert(alertword);
      word1.focus();
      return true;
    } else {
      return false;
    }
  }
  
  function isEmail(word,alertword) {
    if (word.value.indexOf(".")<0 || word.value.indexOf("@")<0) {
      alert(alertword);
      word.focus();
      return true;
    } else {
      return false;
    }
  }

  function isLength(word,wordlength,alertword) {
    if (word.value.length!=wordlength) {
      alert(alertword);
      word.focus();
      return true;
    } else {
      return false;
    }
  }

  function isNumber(word,alertword) {
    if (isNaN(word.value)) {
      alert(alertword);
      word.focus();
      return true;
    } else {
      return false;
    }
  }

  function isWrongChar(word,alertword) {
    for (var i=0;i<(word.value.length);i++) {
     if (word.value.charAt(i)<'0'||word.value.charAt(i)>'9') { 
       if (word.value.charAt(i)<'a'||word.value.charAt(i)>'z') {
         if (word.value.charAt(i)<'A'||word.value.charAt(i)>'Z') {
           if (word.value.charAt(i)!='_') {
             alert(alertword);
             return true;            
           } 
         }
       }
     }
    }
    return false;
  }

  function isSelected(word,alertword) {
    if (word.selectedIndex==0) {
      alert(alertword);
      word.focus();
      return true;
    } else {
      return false;
    }
  }

  function isRadio(word,alertword) {
    var i;
    var cRadio=false;
    if (word.length) {
      for (i=0;i<word.length;i++) {
        cRadio=cRadio || word[i].checked;
      }
    } else {
      cRadio = cRadio || word.checked;
    }
    if (!cRadio) {
      alert(alertword);
      return true;
    } else {
      return false;
    }
  }
  
  function getWeek() {
    today=new Date();
    var day;var date;
    var time_start=new Date();
    var clock_start=time_start.getTime()
    if(today.getDay()==0)day="    星期日"
    if(today.getDay()==1)day="    星期一"
    if(today.getDay()==2)day="    星期二"
    if(today.getDay()==3)day="    星期三"
    if(today.getDay()==4)day="    星期四"
    if(today.getDay()==5)day="    星期五"
    if(today.getDay()==6)day="    星期六"
    date=(today.getYear())+"年"+(today.getMonth()+1)+"月"+today.getDate()+"日 ";
    document.write(date);document.write(day+"</font></span>");
  }
  
  function upload(Formname,uptype_ID,upload_Name,myID) {
    var arr = showModalDialog("/public/edit/upload.asp?uptype_ID=" + uptype_ID + "&upload_Name=" + upload_Name + "&myID=" + myID, "", "dialogWidth:450px; dialogHeight:450px;status:0;resizable:0;scrolling:no;");
    if (arr != null){
      var FormObj 	= eval("document.myform." + Formname);
      var UpObj 	= eval("document.myform.Up" + Formname);
      var DelObj 	= eval("document.myform.Del" + Formname);
      FormObj.value = arr;
      UpObj.value = "  修改  ";
      DelObj.disabled = false;
    }
  }

  function delupload(Formname,uptype_ID,upload_Name,myID) {
    var arr = showModalDialog("/public/edit/delupload.asp?uptype_ID=" + uptype_ID + "&upload_Name=" + upload_Name + "&myID=" + myID, "", "dialogWidth:450px; dialogHeight:450px;status:0;resizable:0;scrolling:no;");
    if (arr != null){
      var FormObj 	= eval("document.myform." + Formname);
      var UpObj 	= eval("document.myform.Up" + Formname);
      var DelObj 	= eval("document.myform.Del" + Formname);
      FormObj.value = "";
      if (uptype_ID==4) {
        UpObj.disabled = true;
      } else {
        UpObj.value = "  上传  ";
      }
      DelObj.disabled = true;
    }
  }

  function loadForm() {
    document.myform.doc_html.value=document.myform.content.value;
    return true;
  }
  
  function voteopen(votetID) {
	  domain = '/info/viewvote.asp?votet_ID=' + votetID;
    newWindow = window.open (domain,"vote","toolbar,resizable,scrollbars,dependent,width=500,height=420,left=150,top=80");
    newWindow.focus();
  }

  function voteinput(pos) {
    var Obj = eval("document.all.vote" + pos);
    if (isRadio(Obj.vote_ID,"请先选择!")) return false;
    newWindow = window.open(domain,"vote","toolbar,resizable,scrollbars,dependent,width=500,height=420,left=150,top=80");
		newWindow.focus();
  	Obj.submit();
  }