          var d = new Date();
          var dp = new Date(d.getTime() + 20);
          document.write('<META HTTP-EQUIV="expires" CONTENT="' + dp + '">');



  function aClass(aData, aValue, aText) {
    if (aClass.arguments.length < 3)
      alert("传入的参数错误！")
    else {
      this.Data  = aData;
      this.Value = aValue;
      this.Text  = aText;
    }
  }

  function chgDnCombobox(aSrc, aDes, aClass, aRemain){
    if (chgDnCombobox.arguments.length < 3)
	  alert("传入的参数错误！")
    else if (aSrc.type != "select-one")
      alert("传入的参数错误！")
    else if (aClass == null)
      alert("aClass未定义错误！")
    else {
      if (aRemain==null)
        aRemain = 1;
      chgDnComboboxItem(aSrc.options[aSrc.selectedIndex].value, aDes, aClass, aRemain);
    }
  }

  function chgDnComboboxItem(aValue, aDes, aClass, aRemain){
    if (chgDnComboboxItem.arguments.length<3)
      alert("参数传入错误！")
    else if (aClass==null)
      alert("错误！aClass没有定义！")
    else{
      if (aRemain==null)
        aRemain = 1;
      deleteAllComboboxItem(aDes, aRemain);
      for (var i=0; i<aClass.length; i++)
        if (aClass[i].Data==aValue)  /* check aClass[i].Data */
          if (aClass[i].Data!="")
            addComboboxItem(aDes, aClass[i].Text, aClass[i].Value);
    }
  }

  function deleteAllComboboxItem(aList, aRemain) {
    for (var i=aList.options.length; i > aRemain-1; i--)
      aList.options[i] = null;
  }    

  function addComboboxItem(aList, aText, aValue) {
    var aOption = new Option(aText, aValue);
    eval("aList.options[aList.options.length]=aOption");
  }

//------------------------------------------------
function trim(aStr)
{
  var aa = aStr + "";
  return aa.replace(/(^\s*)|(\s*$)/g, "");
}


function getDefaultSelected(menu)
{
  for (var cnt = 0; cnt < menu.options.length; cnt++)
  {
    if (menu.options[cnt].defaultSelected) return cnt;
  }
  return 0;
}

function disableAll(frm)
{
  for (var cnt = 0; cnt < frm.elements.length; cnt++)
  {
    frm.elements[cnt].disabled=true;
  }
}

function UpLoad(url){
	//alert(url);
    window.open(url,'', 'width=500,height=300,resizable=1,scrollbars=auto');
}

function updateUpLoad(update,url){
	var sTemp = url;
		
	if (update.value != ''){
		sTemp = sTemp + "&updateFile=" + update.value;
	}
	//alert(sTemp);
    window.open(sTemp,'', 'width=500,height=300,resizable=1,scrollbars=auto');
}


function ViewImage(Option,Url){
	var imgstr=Option.toLowerCase();
    var str = '<HTML><HEAD><TITLE></TITLE></HEAE><BODY>';
	if (imgstr!="")
		{
			for (var i = 0; i < Option.length; i++)
				 {
				 Option=Option.replace("\\","/");
			      }
			  for (var i = 0; i < Url.length; i++)
			 {
			 Url=Url.replace("\\","/");
			  }

			if (imgstr.indexOf(".swf")>=0)
				{	
				str += '<object classid=clsid:D27CDB6E-AE6D-11cf-96B8-444553540000 codebase=http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=5,0,0,0 width=450 height=300>';
				str += '	  <param name=movie value=\'' + Url + Option + '\'>';
				str += '	  <param name=quality value=high>';
				str += '	  <embed src=\'' + Url + Option + '\'> quality=high pluginspage=http://www.macromedia.com/shockwave/download/index.cgi?P1_Prod_Version=ShockwaveFlash type=application/x-shockwave-flash width=450 height=300>';
				str += '	  </embed>' ;
				str += '	</object>';
					
				}
			else if (imgstr.indexOf(".dcr")>=0)
				{
				str += '<object classid=clsid:166B1BCA-3F9C-11CF-8075-444553540000 codebase=http://download.macromedia.com/pub/shockwave/cabs/director/sw.cab#version=8,5,0,0  width=450  height=300>';
				str += '	  <param name=src value=\'' + Url + Option + '\'>';
				str += '	  <embed src=\'' + Url + Option + '\'>  pluginspage=http://www.macromedia.com/shockwave/download/ width=450 height=300>';
				str += '	  </embed>' ;
				str += '	</object>';
				}
			else if (imgstr.indexOf(".txt")>=0 || imgstr.indexOf(".wav")>=0 ||  imgstr.indexOf(".mid")>=0 ||imgstr.indexOf(".mov")>=0 ||imgstr.indexOf(".mpg")>=0 ||imgstr.indexOf(".zip")>=0 ||imgstr.indexOf(".rar")>=0 )
				{
				 window.open(Url+Option,"", "width=600,height=400,resizable=1,scrollbars=1");
				 str="";
				}
			else
				{
							str += '<IMG src=\'' + Url + Option + '\'>';
				}
			}
		else
			{
			str +='<div align=center><font size=+1><b>Not Picture !</b></font></div>';
			}
	if (str!="")
	{
		str +='<p><a href=JavaScript:window.close()><b>Window Close</b></a>';
		str += '</BODY></HTML>';
    	var wTemp = window.open('','', 'width=600,height=400,resizable=1,scrollbars=1');
    	var doc = wTemp.document;
		doc.write(str);
        doc.close()
		}
}


function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}

function checkNumber(txt){
	if(isNaN(txt.value)){
		alert(" Please enter number only.");
		txt.select();
		txt.focus();
		return false
	}
	return true;
}

function Delete_button(formjob,oldvalue,dformjob)	
	{ var fieldvalue=formjob.value;
		
	if (fieldvalue=="Delete")
		{
			dformjob.value="";
			formjob.value="Resume";
		}
	else
		{
			dformjob.value=oldvalue;
			formjob.value="Delete";
		}
	
	}
