//打开弹出窗口
function winOpen (strURL,strName,width,height)
{
    theWindow = window.open (strURL,strName,"width="+width+" height="+height+" scrollbars=yes left="+(1024-width)/2+" top="+(768-height)/2);	
    if (theWindow.opener == null) theWindow.opener = window;
    if (window.focus) theWindow.focus();
}

//验证邮件
function verifyEmailAddress(strEmail){
  var myReg = /^[_a-zA-Z0-9_-_._-]+@([_a-zA-Z0-9_-]+\.)+[a-zA-Z]{2,3}$/;
  return myReg.test(strEmail);
}

/*****************************************************************
****                     判断是否为日期数据  (lhm)       例子:itIsDate("2009-10-7" , "-")    *****
*****************************************************************/
function itIsDate(DateString , Dilimeter) 
{ 
  if (DateString==null) return false; 
  if (Dilimeter=='' || Dilimeter==null) 
   Dilimeter = '-'; 
  var tempy=''; 
  var tempm=''; 
  var tempd=''; 
  var tempArray; 
  if (DateString.length<8 && DateString.length>10) 
    return false;    
  tempArray = DateString.split(Dilimeter); 
  if (tempArray.length!=3) 
   return false; 
  if (tempArray[0].length==4) 
  { 
   tempy = tempArray[0]; 
   tempd = tempArray[2]; 
  } 
  else 
  { 
   tempy = tempArray[2]; 
   tempd = tempArray[1]; 
  } 
  tempm = tempArray[1]; 
  var tDateString = tempy + '/'+tempm + '/'+tempd+' 8:0:0';//加八小时是因为我们处于东八区 
  var tempDate = new Date(tDateString); 
  if (isNaN(tempDate)) 
   return false; 
 if (((tempDate.getUTCFullYear()).toString()==tempy) && (tempDate.getMonth()==parseInt(tempm)-1) && (tempDate.getDate()==parseInt(tempd))) 
  { 
   return true; 
  } 
  else 
  { 
   return false; 
  } 
} 

/*****************************************************************
****                   求字符串的字节长度     (lhm)          *****
*****************************************************************/
function byteLength(paraString) 
{
 var strValue =new String(paraString);
 var strLength = strValue.length;
 var numLength =0;
  for (globle_i =0 ; globle_i<strLength;globle_i++){
    var ASCIIValue =strValue.charCodeAt(globle_i);
    if ( ASCIIValue > 0 && ASCIIValue < 127 )  
      numLength = numLength + 1 
    else
     numLength = numLength + 2
  }
  return numLength;
}

/*****************************************************************
****                     去除空格     (lhm)                 *****
*****************************************************************/
function trim(stringToTrim) {
	return stringToTrim.replace(/^\s+|\s+$/g,"");
}
	
function ltrim(stringToTrim) {
	return stringToTrim.replace(/^\s+/,"");
}
		
function rtrim(stringToTrim) {
	return stringToTrim.replace(/\s+$/,"");
}

String.prototype.trim = function() {return this.replace(/^\s+|\s+$/g,"");}
String.prototype.ltrim = function() {return this.replace(/^\s+/,"");}
String.prototype.rtrim = function() {return this.replace(/\s+$/,"");}
/*****************************************************************
****               复选框的全选与取消     (LHM)              *****
*****************************************************************/
function CheckAll(form){
	var length = form.itemId.length;
	var tocheck = form.chkall.checked;
	if (length)
		for (var i=0; i<length; i++){ 
			if (form.itemId[i].disabled != true){
				form.itemId[i].checked = tocheck;
			} 			
		}
	else {
		if (form.itemId.disabled !=true){
			form.itemId.checked = tocheck;
		}
	}
}

/*****************************************************************
****                     删除处理     (LHM)                  *****
*****************************************************************/
function del_btn (form,strMsg,actionurl){
  	var result = false;
  	var length = form.itemId.length;	
	if (form.itemId.checked) { //只有一条记录时执行此语句
		result = true;	
	}  		
	for (var i=0; i<length; i++){ 
		if (form.itemId[i].checked){
		  result = true;
		  break;
		}		 		
	}
    if (!result){
		alert ("没有选择任何项目!");
		return false;
    }e