common.js.svn-base

一个很好的无线搜索、自动连接脚本

// Opera
op = (navigator.userAgent.indexOf("Opera") != -1 && document.getElementById)

// Internet Explorer e.g. IE4+
ie4 = (document.all)

// Netscape version 4 :
ns4 = (document.layers)

// Mozila e.g. Netscape 6 upwards
ns6 = (!document.all && document.getElementById)

/*
ie4 = ((navigator.appName == "Microsoft Internet Explorer") && (parseInt(navigator.appVersion) >= 4 ))
ns4 = ((navigator.appName == "Netscape") && (parseInt(navigator.appVersion) < 6 ))
ns6 = ((navigator.appName == "Netscape") && (parseInt(navigator.appVersion) >= 6 ))
*/

// 0.0.0.0
var ZERO_NO = 1;	// 0x0000 0001
var ZERO_OK = 2;	// 0x0000 0010
// x.x.x.0
var MASK_NO = 4;	// 0x0000 0100
var MASK_OK = 8;	// 0x0000 1000
// 255.255.255.255
var BCST_NO = 16;	// 0x0001 0000
var BCST_OK = 32;	// 0x0010 0000

var SPACE_NO = 1;
var SPACE_OK = 2;

function choose_enable(en_object) {
	if(!en_object)	return;
	en_object.disabled = false;					// netscape 4.x can not work, but 6.x can work

	if(!ns4)
		en_object.style.backgroundColor = "";	// netscape 4.x have error
}

function choose_disable(dis_object) {
	if(!dis_object)	return;
	dis_object.disabled = true;

	if(!ns4)
		dis_object.style.backgroundColor = "#e0e0e0";
}

function check_action(I,N) {
	if(ns4){									//ie.  will not need and will have question in "select"
		if(N == 0){
			if(EN_DIS == 1) 
				I.focus();
			else 
				I.blur();
		} else if(N == 1){
			if(EN_DIS1 == 1) 
				I.focus();
			else 
				I.blur();
		} else if(N == 2){
			if(EN_DIS2 == 1) 
				I.focus();
			else 
				I.blur();
		} else if(N == 3){
			if(EN_DIS3 == 1) 
				I.focus();
			else
				I.blur();
		}
			
	}
}

function check_action1(I,T,N) {
	if(ns4){									//ie.  will not need and will have question in "select"
		if(N == 0){
			if(EN_DIS == 1) 
				I.focus();
			else 
				I.value = I.defaultChecked;
		}
		if(N == 1){
			if(EN_DIS1 == 1) 
				I.focus();
			else 
				I.value = I.defaultChecked;
		}
	}
}
function valid_range(I,start,end,M) {
	//if(I.value == ""){
	//	if(M == "IP" || M == "Port")
	//		I.value = "0";
	//}
	M1 = unescape(M);
	isdigit(I,M1);

	d = parseInt(I.value, 10);	
	if ( !(d<=end && d>=start) ) {		
//		alert(M1 +" value is out of range ["+ start + " - " + end +"]");
		alert(M1 + errmsg.err14 + start + " - " + end +"].");
		I.value = I.defaultValue;		
	} else 
		I.value = d;	// strip 0

}

function valid_macs_all(I) {
	if(I.value == "") {
		return true;
	} else if (I.value.length == 12) {
		valid_macs_12(I);
	} else if (I.value.length == 17) {
		valid_macs_17(I);
	} else {
//		alert("The MAC Address length is not correct.");
		alert(errmsg.err5);
		I.value = I.defaultValue;
	}
}

function valid_macs_list(I) {
	if(I.value == "") return true;
	I.value = I.value.replace("\n", " ");
	var macs = I.value.split(" ");
	var ret = true;
	var good_macs = "";
	
	while (macs.length > 0) {
		var mac = new Object;
		mac.value = macs.shift();
		if(!valid_macs_17(mac)) {
//			alert("The MAC Address length is not correct.");
//			alert(errmsg.err5 + "(" + mac + ")");
			ret = false;
		} else {
			good_macs = good_macs + " " + mac.value;
		}
	}

	while (good_macs.indexOf(" ") == 0) {
		good_macs = good_macs.substr(1);
	}

	I.value = good_macs;

	return ret;
}

function valid_mac(I,T) {
	var m1,m2=0;

	if(I.value.length == 1)
		I.value = "0" + I.value;

	m1 =parseInt(I.value.charAt(0), 16);
	m2 =parseInt(I.value.charAt(1), 16);
	if( isNaN(m1) || isNaN(m2) ) {
//		alert("The WAN MAC Address is out of range [00 - ff].");	
		alert(errmsg.err15);
		I.value = I.defaultValue;
	}
	I.value = I.value.toUpperCase();
	if(T == 0) {                                                                       
		if((m2 & 1) == 1){                               
//			alert("The second character of MAC must be even number : [0, 2, 4, 6, 8, A, C, E].");
			alert(errmsg.err16);
			I.value = I.defaultValue;                       
		}                                                       
	}                       
}
function valid_macs_12(I){	
	var m,m3;	
	if(I.value == "")
		return true;
	else if(I.value.length==12){
		for(i=0;i<12;i++){			
			m=parseInt(I.value.charAt(i), 16);			
			if( isNaN(m) )				
				break;		
		}		
		if( i!=12 ){
//			alert("The MAC Address is not correct.");
			alert(errmsg.err17);
			I.value = I.defaultValue;		
		}	
	} else {		
//		alert("The MAC Address length is not correct.");
		alert(errmsg.err18);
		I.value = I.defaultValue;	
	}
	I.value = I.value.toUpperCase();
	if(I.value == "FFFFFFFFFFFF"){
//		alert("The MAC Address cannot be the broadcast address.");
		alert(errmsg.err19);
		I.value = I.defaultValue;	
	}
	m3 = I.value.charAt(1);
	if((m3 & 1) == 1){                               
//		alert("The second character of MAC must be even number : [0, 2, 4, 6, 8, A, C, E].");
		alert(errmsg.err16);
		I.value = I.defaultValue;                       
	}                                                      
}

function valid_macs_17(I)
{
	oldmac = I.value;
	var mac = ignoreSpaces(oldmac);
	if (mac == "") {
		return true;
		////alert("Enter MAC Address in (xx:xx:xx:xx:xx:xx) format.");
		//alert(errmsg.err20);
		//return false;
	}
	var m = mac.split(":");
	if (m.length != 6) {
//		alert("Invalid MAC address format");
		alert(errmsg.err21);
		I.value = I.defaultValue;		
		return false;
	}
	var idx = oldmac.indexOf(':');
	if (idx != -1) {
		var pairs = oldmac.substring(0, oldmac.length).split(':');
		for (var i=0; i<pairs.length; i++) {
			nameVal = pairs[i];
			len = nameVal.length;
			if (len < 1 || len > 2) {
//				alert ("The WAN MAC Address is not correct.");
				alert(errmsg.err22);
				I.value = I.defaultValue;		
				return false;
			}
			for(iln = 0; iln < len; iln++) {
				ch = nameVal.charAt(iln).toLowerCase();
				if (ch >= '0' && ch <= '9' || ch >= 'a' && ch <= 'f') {
					// nothing to do here
				} else {
//					alert ("Invalid hex value " + nameVal + " found in MAC address " + oldmac);
					alert (errmsg.err23 + nameVal + errmsg.err24 + oldmac + ".");
					I.value = I.defaultValue;		
					return false;
				}
			}	
		}
	}
	I.value = I.value.toUpperCase();
	if(I.value == "FF:FF:FF:FF:FF:FF"){
//		alert("The MAC Address cannot be the broadcast address.");
		alert(errmsg.err19);
		I.value = I.defaultValue;	
	}
	m3 = I.value.charAt(1);
	if((m3 & 1) == 1){                               
//		alert("The second character of MAC must be even number : [0, 2, 4, 6, 8, A, C, E].");
		alert(errmsg.err16);
		I.value = I.defaultValue;                       
	}                                                       
	return true;
}

function ignoreSpaces(string) {
	var temp = "";

	string = '' + string;
	splitstring = string.split(" ");
	for(i = 0; i < splitstring.length; i++) {
		temp += splitstring[i];
	}

	return temp;
}

function check_space(I,M1){
	M = unescape(M1);
	for(i=0 ; i<I.value.length; i++){
		ch = I.value.charAt(i);
		if(ch == ' ') {
//			alert(M +" is not allowed to contain a space.");
			alert(M+errmsg.err34);
			I.value = I.defaultValue;	
			return false;
		}
	}

	return true;
}

function valid_key(I,l){	
	var m;	
	if(I.value.length==l*2)	{		
		for(i=0;i<l*2;i++) {			 
			m=parseInt(I.value.charAt(i), 16);
			if( isNaN(m) )				
				break;		
		}		
		if( i!=l*2 ){		
//			alert("The key value is not correct.");	
			alert(errmsg.err25);
			I.value = I.defaultValue;		
		}	
	} else{		
//		alert("The key length is not correct");
		alert(errmsg.err26);
		I.value = I.defaultValue;	
	}
}

function valid_name(I,M,flag) {
	isascii(I,M);

	var bbb = I.value.replace(/^\s*/,"");
        var ccc = bbb.replace(/\s*$/,"");

        I.value = ccc;

	if(flag & SPACE_NO){
		check_space(I,M);
	}

}

function valid_mask(F,N,flag){
	var match0 = -1;
	var match1 = -1;
	var m = new Array(4);

	for(i=0;i<4;i++)
		m[i] = eval(N+"_"+i).value;

	if(m[0] == "0" && m[1] == "0" && m[2] == "0" && m[3] == "0"){
		if(flag & ZERO_NO){
//			alert("Illegal subnet mask.");
			alert(errmsg.err27);
			return false;
		} else if(flag & ZERO_OK){
			return true;
		}
	}

	if(m[0] == "255" && m[1] == "255" && m[2] == "255" && m[3] == "255"){
		if(flag & BCST_NO){
//			alert("Illegal subnet mask.");
			alert(errmsg.err27);
			return false;
		} else if(flag & BCST_OK){
			return true;
		}
	}

	for(i=3;i>=0;i--){
		for(j=1;j<=8;j++){
			if((m[i] % 2) == 0)   match0 = (3-i)*8 + j;
			else if(((m[i] % 2) == 1) && match1 == -1)   match1 = (3-i)*8 + j;
			m[i] = Math.floor(m[i] / 2);
		}
	}
	if(match0 > match1){
//		alert("Illegal subnet mask.");
		alert(errmsg.err27);
		return false;
	}

	return true;
}

function isdigit(I,M) {
	if (I.value.charAt(0) == "-") {i = 1}
	else {i = 0};
	for(i ; i<I.value.length; i++){

		ch = I.value.charAt(i);
		if(ch < '0' || ch > '9') {
//			alert(M +" have illegal characters, must be [ 0 - 9 ].");
			alert(M+errmsg.err28);
			I.value = I.defaultValue;	
			return false;
		}
	}

	return true;
}

function isascii(I,M) {
	for(i=0 ; i<I.value.length; i++){
		ch = I.value.charAt(i);
		if(ch < ' ' || ch > '~'){
//			alert(M +" have illegal ascii code.");
			alert(M+errmsg.err29);
			I.value = I.defaultValue;	
			return false;
		}
	}

	return true;
}

function isxdigit(I,M) {
	for(i=0 ; i<I.value.length; i++){
		ch = I.value.charAt(i).toLowerCase();
		if(ch >= '0' && ch <= '9' || ch >= 'a' && ch <= 'f') {
				
		} else {
//			alert(M +" have illegal hexadecimal digits.");
			alert(M+errmsg.err30);
			I.value = I.defaultValue;	
			return false;
		}
	}

	return true;
}

function closeWin(var_win){
	if ( ((var_win != null) && (var_win.close)) || ((var_win != null) && (var_win.closed==false)) )
		var_win.close();
}

function valid_ip(F,N,M1,flag){
	var m = new Array(4);
	M = unescape(M1);

	for(i=0;i<4;i++)
		m[i] = eval(N+"_"+i).value

	if(m[0] == 127 || m[0] == 224){
//		alert(M+" value is illegal.");
		alert(M+errmsg.err31);
		return false;
	}

	if(m[0] == "0" && m[1] == "0" && m[2] == "0" && m[3] == "0"){
		if(flag & ZERO_NO){
//			alert(M+" value is illegal.");
			alert(M+errmsg.err31);
			return false;
		}
	}

	if((m[0] != "0" || m[1] != "0" || m[2] != "0") && m[3] == "0"){
		if(flag & MASK_NO){
//			alert(M+" value is illegal.");
			alert(M+errmsg.err31);
			return false;
		}
	}

	return true;
}

function valid_ip_str(I, M){
	if(I.value == "" || I.value == " ") return true;
	
	var m = new Array(4);
	var ip_str = I.value.split(".");

	for(i=0;i<4;i++) {
		m[i] = parseInt(ip_str[i], 10);
		if( isNaN(m[i]) ) {
//			alert(M+" value is illegal.");
			alert(M+errmsg.err31);
			I.value = I.defaultValue;
			return false;
		}
	}
	
	if(m[0] == 127 || m[0] == 224){
//		alert(M+" value is illegal.");
		alert(M+errmsg.err31);
		I.value = I.defaultValue;
		return false;
	}

	if((m[0] > "255" || m[1] > "255" || m[2] > "255") && m[3] > "255"){
//		alert(M+" value is illegal.");
		alert(M+errmsg.err31);
		I.value = I.defaultValue;
		return false;
	}

	return true;
}

function valid_ip_gw(F,I,N,G) {
	var IP = new Array(4);
	var NM = new Array(4);
	var GW = new Array(4);
	
	for(i=0;i<4;i++)
		IP[i] = eval(I+"_"+i).value
	for(i=0;i<4;i++)
		NM[i] = eval(N+"_"+i).value
	for(i=0;i<4;i++)
		GW[i] = eval(G+"_"+i).value

	for(i=0;i<4;i++){
		if((IP[i] & NM[i]) != (GW[i] & NM[i])){
//			alert("IP address and gateway is not at same subnet mask.");
			alert(errmsg.err32);
			return false;
		}
	}
	if((IP[0] == GW[0]) && (IP[1] == GW[1]) && (IP[2] == GW[2]) && (IP[3] == GW[3])){
//		alert("IP address and gateway can't be same.");
		alert(errmsg.err33);
		return false;
	}
	
	return true;
}

function fix_cr(F) {
	var re1 = new RegExp( '&#13;&#10;', 'gi' );
	var re2 = new RegExp( '&#13;', 'gi' );
	var re3 = new RegExp( '&#10;', 'gi' );
	var re4 = new RegExp( '&#38;', 'gi' );
	var re5 = new RegExp( '&#34;', 'gi' );
	var re6 = new RegExp( '&#62;', 'gi' );
	var re7 = new RegExp( '&#60;', 'gi' );
	var a = F.replace(re1, '\n');
	var b = a.replace(re2, '\n');
	var c = b.replace(re3, '\n');
	var d = c.replace(re4, '&');
	var e = d.replace(re5, '"');
	var f = e.replace(re4, '>');
	var g = f.replace(re5, '<');