//***JavaScript 表单域读写函数集*******//
function FillForm(field1,field2,field3) {
  field2.value=field1.value;
  field3.value=field1.value;
  return;
}

function outcheck(check_value){
	if(check_value != ""){
		alert(check_value)
		return false; 
	}
	return true;
}

function checkvalue(obj, low, up, mode, lable){
/*
Mode = 1 检测是否为空   2是否是数字  4是否整数
8是否是为数字、字母和_.-
16 自定义字符检测
32 长度检测
64 数字大小检测
128 日期检查
256 中文检查
512 邮件地址检查
*/
    var temp,type;
    var length, i, base, str;
    
    str=getformvalue(obj);
    if(str==null){
		lenght=0;
		str="";
	}	
	else{	
		length = str.length
	}	
    temp=""
    if( mode % 2 >= 1 ){
        if( str == "" ){
            temp = temp + "“" + lable + "”" + "不能为空！" + "\n";
        }
    }
    
    if( mode % 4 >= 2 ){
        base = "0123456789."
        for(i = 0;i<=length-1;i++)
            if( base.indexOf(str.substring(i, i+1)) == -1  ){
				temp = temp + "“" + lable + "”" + "必需是数字！" + "\n";
				break;
            }    
    }
    
    if( mode % 8 >= 4 ){
        base = "0123456789-(), "
        for(i = 0;i<=length-1;i++)
            if( base.indexOf(str.substring(i, i+1)) == -1  ){
                temp = temp + "“" + lable + "”" + "格式不正确！" + "\n";
                break;
            }    
    }
    
    if( mode % 16 >= 8 ){
        base = "abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz0123456789_-."
        for(i = 0;i<=length-1;i++)
            if( base.indexOf(str.substring(i, i+1)) == -1  ){
                temp = temp + "“" + lable + "”" + "包含非法字符！它只能是字母、数字和“- _ .”。" + "\n";
                break;
            }
    }
    
    if( mode % 32 >= 16 ){
        base = low.replace("[a-z]", "abcdefghijklmnopqrstuvwxyz")
        base = base.replace("[a-z]", "abcdefghijklmnopqrstuvwxyz")
        base = base.replace( "[0-9]", "0123456789")
        for(i = 0;i<=length-1;i++)
            if( base.indexOf(str.substring(i, i+1)) == -1 ){
                temp = temp + "“" + lable + "”" + "包含非法字符！它只能是" + up + "。" + "\n";
                break;
            }
    }
    
    if( mode % 64 >= 32 ){
        if( ! (length >= low && length <= up) ){
               temp = temp + "“" + lable + "”" + "的长度必需在" + low + "到" + up + "之间！" + "\n";
        }
    }
    
     if( mode % 128 >= 64 ){
        if( ! (parseInt(str) >= parseInt(low) && parseInt(str) <= parseInt(up)) ){
               temp = temp + "“" + lable + "”" + "必需在" + low + "到" + up + "之间！" + "\n";
        }
		

    }
	
	 if( mode % 138 >= 128 ){
        if( isDateString(str) == false ){
               temp = temp + "“" + lable + "”" + "不是一个有效的日期！" + "\n";
        }

	}
	
	if( mode % 512 >= 256 ){
        if(!CheckIfEnglish(str)){
               temp = temp + "“" + lable + "”" + "不能包含中文字符！" + "\n";
        }
	}
	
	if( mode % 513 >= 512 ){
		if (!str==""){
        if(!CheckEmail(str)){
               temp = temp + "“" + lable + "”" + "不正确！" + "\n";
        }
		}
	}
		
    if(temp!=""){
    	alert(temp);
    	type=(getformtype(obj));
    	if(type!="radio" && type!="checkbox"){
    		obj.focus();
    	}
	return false; 
   }
   return true;
}

function getformtype(obj){
	var type;
	type=obj.type;
	if(typeof(type)=="undefined"){

		type=obj[0].type;
	}
	return type;		
}
function getformvalue(input){
//取表单域的值
	var type,temp;
	temp="";
	
	type=getformtype(input);	

	switch(type){
		case "radio":	//单选框
			n=input.length-1;

			if(isNaN(n)==true){
				if(input.checked == true){
					temp = input.value;
				}else{
					temp = "";
				}	
			}else{
				for(i=0;i<=n;i++){
					if(input[i].checked == true){
						return(input[i].value);
					}
				}
				break;
			}
			case "checkbox":	//复选框
			n=input.length-1;
			if(isNaN(n)==true){
				if(input.checked == true){
					temp = input.value;
				}else{
					temp = "";
				}	
			}else{
				for(i=0;i<=n;i++){
					if(input[i].checked == true){
						if(temp!=""){
							temp += ",";
						}
						temp += input[i].value;

					}	
				}
			}
			return(temp);
			break;
			
		case "select-one" :	//单选列表框
			n=input.length-1;	
			for(i=0;i<=n;i++){
				if(input.options[i].selected == true){
					temp = input.options[i].value;
					break;
				}			
			}
			return(temp);
			break;				
		case "select-multiple":	//多选列表框
			n=input.length-1;	
			for(i=0;i<=n;i++){
				if(input.options[i].selected == true){
					if(temp!=""){
						temp+=",";
					}					
					temp+=input.options[i].value;
				}			
			}
			return(temp);
			break;			
		default:				//其它
			return(input.value);
			break;
	
	}
	
	return(input.value);

}

function ischecked(group,value){
	var i,n;
	n=group.length-1;
	for(i=0;i<=n;i++){
		if(value==group[i]){
			return true;			
		}
	}
	return false;
}


function SetSelectedAndChecked(input,value){
//设置表单域的选择
	var type,temp,i,n;
	var split_value = new Array();
	temp="";
	
	type=input.type;
	
	if(typeof(type)=="undefined"){
		type=input[0].type;
	}
	

	switch(type){
		case "radio":	//单选框
			n=input.length-1;

			if(isNaN(n)==true){
				if(input.value = value){
					input.checked = true;
				}else{
					input.checked = false;
				}	
			}else{
				for(i=0;i<=n;i++){
					if(input[i].value == value){
						input[i].checked = true;
					}else{
						input[i].checked = false;					
					}
				}
			}
			break;

		case "checkbox":	//复选框
			n=input.length-1;
			split_value=value.split(",");
			if(isNaN(n)==true){
				if(ischecked(split_value,input.value)){
					input.checked = true;
				}else{
					input.checked = false;
				}	
			}else{
				for(i=0;i<=n;i++){
					if(ischecked(split_value,input[i].value)){
						input[i].checked = true;
					}else{
						input[i].checked = false;					
					}					
				}
				
			}
			break;
			
		case "select-one" :	//单选列表框
			n=input.options.length-1;	
			for(i=0;i<=n;i++){
				if(input.options[i].value == value){
					input.options[i].selected = true;
				}else{
					input.options[i].selected = false;				
				}
						
			}
			break;				
		case "select-multiple":	//多选列表框
			n=input.options.length-1;	
			split_value=value.split(",");
			for(i=0;i<=n;i++){
				if(ischecked(split_value,input.options[i].value)){
						input.options[i].selected = true;
				}else{
						input.options[i].selected = false;				
				}			
			}
			break;			
		default:				//其它
			return false;
			break;
	
	}
	
	return true;

}

function isDateString(sDate)
//检测是否为日期
{    var iaMonthDays = [31,28,31,30,31,30,31,31,30,31,30,31]
    var iaDate = new Array(3)
    var year, month, day

    if (arguments.length != 1) return false
    iaDate = sDate.toString().split("-")
    if (iaDate.length != 3) return false
    if (iaDate[1].length > 2 || iaDate[2].length > 2) return false

    year = parseFloat(iaDate[0])
    month = parseFloat(iaDate[1])
    day=parseFloat(iaDate[2])

    if (year < 1900 || year > 2100) return false
    if (((year % 4 == 0) && (year % 100 != 0)) || (year % 400 == 0)) iaMonthDays[1]=29;
    if (month < 1 || month > 12) return false
    if (day < 1 || day > iaMonthDays[month - 1]) return false
    return true
}


//检测是否为中文
function CheckIfEnglish( String )
{ 
    var Letters = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz1234567890`=~!@#$%^&*()_+[]{}\\|/?.>,<;:'\-?<>/～！·＃￥％…；‘’：“”—＊（　）—＋｜－＝、／。，？《》↑↓⊙●★☆■♀ 『』◆◥◤◣ Ψ ※ →№←㊣∑⌒ 〖〗 ＠ξζω□ ∮〓※ ▓∏卐【 】▲△√ ∩¤々 ♀♂∞ ㄨ ≡↘↙ ＆◎Ю┼┏ ┓田 ┃▎○╪┗┛ ∴ ①②③④⑤⑥⑦⑧ \"";
     var i;
     var c;
     for( i = 0; i < String.length; i ++ )
     {
          c = String.charAt( i );
	  if (Letters.indexOf( c ) < 0)
	     return false;
     }
     return true;
}

function CheckEmail(email)
//检测邮件
{
invalid = ""; 

if ( (email.indexOf("@") == -1) || (email.indexOf(".") == -1) ) 
invalid += "\n\nEmail地址不合法";
if (email.indexOf("your email here") > -1)
invalid += "\n\nEmail地址不合法";
if (email.indexOf("\\") > -1) 
invalid += "\n\nEmail地址不合法";
if (email.indexOf("/") > -1) 
invalid += "\n\nEmail地址不合法";
if (email.indexOf("'") > -1) 
invalid += "\n\nEmail地址不合法";
if (email.indexOf("!") > -1) 
invalid += "\n\nEmail地址不合法";
if ( (email.indexOf(",") > -1) || (email.indexOf(";") > -1) )
invalid += "\n\nEmail地址不合法";
if (email.indexOf("?subject") > -1) 
invalid += "\n\nEmail地址不合法";


if (invalid == "")
{
return true;
}
else 
{ 
return false;
}
}


function viewphoto(theURL,winName,features)
{
 window.open(theURL,winName,'scrollbars=yes,resizable=yes,width=350,height=300');
 }
 
 
  function MM_openBrWindow(theURL,winName,features) { //v2.0 自定义弹出式窗口
  window.open(theURL,winName,features);
}