// insertAdjacentHTML(), insertAdjacentText() and insertAdjacentElement()
// for Netscape 6/Mozilla by Thor Larholm thor@jscript.dk
if(typeof HTMLElement!="undefined" && !HTMLElement.prototype.insertAdjacentElement){
	HTMLElement.prototype.insertAdjacentElement = function(where,parsedNode)
	{
		switch (where){
		case 'beforeBegin':
			this.parentNode.insertBefore(parsedNode,this)
			break;
		case 'afterBegin':
			this.insertBefore(parsedNode,this.firstChild);
			break;
		case 'beforeEnd':
			this.appendChild(parsedNode);
			break;
		case 'afterEnd':
			if (this.nextSibling) this.parentNode.insertBefore(parsedNode,this.nextSibling);
			else this.parentNode.appendChild(parsedNode);
			break;
		}
	}

	HTMLElement.prototype.insertAdjacentHTML = function(where,htmlStr)
	{
		var r = this.ownerDocument.createRange();
		r.setStartBefore(this);
		var parsedHTML = r.createContextualFragment(htmlStr);
		this.insertAdjacentElement(where,parsedHTML)
	}


	HTMLElement.prototype.insertAdjacentText = function(where,txtStr)
	{
		var parsedText = document.createTextNode(txtStr)
		this.insertAdjacentElement(where,parsedText)
	}
}

function popupInfo() {
	var w = 335;
	var h = 250;
	var winl = (screen.width - w) / 2;
	var wint = (screen.height - h) / 2;
	winprops = 'height='+h+',width='+w+',top='+wint+',left='+winl+',scrollbars=no,menubars=no,toolbars=no,resizable';
	win = window.open('/hostmaster/info.jsp', 'popUP', winprops);
	if (parseInt(navigator.appVersion) >= 4) { win.window.focus(); }
}

function OpenWindow(theURL,winName,features) {
		  window.open(theURL,winName,features);
 }

function setFocus(aField) {
		document.forms[0][aField].focus();
}


function reloadPage(init) {  //reloads the window if Nav4 resized
		  if (init==true) with (navigator) {
			  if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
				   document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=reloadPage;
			  }
		  } else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) {
			  location.reload();
		  }
 }



function isEmpty(aTextField) {
	if ((document.forms[0][aTextField].value.length==0) || (document.forms[0][aTextField].value==null)) {
		return true;
	}
	else { 
		return false; 
	}
}


function isValidContactID(aTextField) {
	if ((document.forms[0][aTextField].value==null) || 
		(document.forms[0][aTextField].value=="xxx_xxxxxxxxxxxx") ||
		(document.forms[0][aTextField].value.length < 5) || 
		(document.forms[0][aTextField].value.search(/^(\w{3})_(.{1,12})$/) == -1)) {
		return true;
	}
	else { 
		return false; 
	}
}

function isValidEnglish(aTextField) {
	if (document.forms[0][aTextField].value.search(/[\u0000-\u001F\u007F-\uFFFF]/) == -1) {
		return true;
	}
	else { 
		return false
	}
}

function isValidAuthInfo(aTextField) {
	if ((document.forms[0][aTextField].value.length < 6) || (document.forms[0][aTextField].value==null)) {
		return true;
	}
	else { 
		return false; 
	}
}

// validates a phone number
function isPhoneNumber(aTextField)
{		//if (document.forms[0][aTextField].value.search(/\+?\d{2}\)? ?\[-.]\d{20}/) != -1)
	if (document.forms[0][aTextField].value.search(/^\+[0-9]{1,3}\.[0-9]{1,14}$/) == -1) //if match failed
		return true;
	else
		return false;
}

// validates an email to type aaa.aaa@bbb.bbb.ccc
function isEmail(aTextField)
{
	//if (document.forms[0][aTextField].value.search(/^\w+((-\w+)|(\.\w+))*\@[A-Za-z0-9]+((\.|-)[A-Za-z0-9]+)*\.[A-Za-z0-9]+$/) == -1)
if (document.forms[0][aTextField].value.search(/^([\w-#$&'*+\/=?^_'{|}~]+(?:\.[\w-#$&'*+\/=?^_'{|}~]+)*)@((?:[\w-]+\.)*\w[\w-]{0,66})\.([a-z]{2,6}(?:\.[a-z]{2})?)$/i) == -1)
		return true;
	else
		return false;
}

function isValidHostName(aTextField) {
	if ((document.forms[0][aTextField].value.length == 0) || (document.forms[0][aTextField].value==null)) {
		return true;
	}
	else { 
		return false; 
	}
}

// validates ROID
function isValidROID(aTextField){		
//if (document.forms[0][aTextField].value.search(/\+?\d{2}\)? ?\[-.]\d{20}/) != -1)
	if ((document.forms[0][aTextField].value.length > 0 ) && (document.forms[0][aTextField].value.search(/(\w|_){1,80}-\w{1,8}/) == -1)) {//if match failed
		return true;
	}
	else {
		return false;
	}
}

// validates a date
function isValidDate(aTextField)
{		//if (document.forms[0][aTextField].value.search(/\+?\d{2}\)? ?\[-.]\d{20}/) != -1)
	if ((document.forms[0][aTextField].value.length > 10) || 
		document.forms[0][aTextField].value.search(/\d{4}\-([1-9]|0[1-9]|1[012])\-(3[01]|0[1-9]|[1-9])/) == -1) //if match failed
		return true;
	else
		return false;
}

function isValidIP(aIPtype,aTextField) {
	if ((document.forms[0][aTextField].value==null) || 
		(document.forms[0][aTextField].value.length < 7) || 
		(document.forms[0][aTextField].value.search(/^(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})$/) == -1)) {
		return true;
	}
	else { 
		return false; 
	}
}



/*function isValidIPAddress(aIPtype,aTextField) {
var IPtype = document.forms[0][aIPtype].value;
var IPvalue = document.forms[0][aTextField].value;
var ipV4Pattern = /^(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})$/;
var ipV6Pattern = "";
var ipArray = IPvalue.match(ipV4Pattern); 

if (IPtype == "v4") {
	if (IPvalue == "0.0.0.0" ||
		IPvalue == "255.255.255.255" ||
		ipArray == null)
			return true;
	else {
		for (i = 0; i < 5; i++) {
			thisSegment = ipArray[i];
			if (thisSegment > 255) {
				return true;
				i = 5;
			}//if
	   }//for
	}//else
} else if (IPtype == "v6") {
	return false;
} else return true;
	return false;
}*/
function isValidIPAddress(aIPtype,aTextField) {
	var IPtype = document.forms[0][aIPtype].value;
	var IPvalue = document.forms[0][aTextField].value;
	if (IPtype=="v4")
		return isValidIPv4Address(IPvalue);
	else if (IPtype=="v6")
		return ! isValidIPv6Address(IPvalue);
}//end

function isValidIPv4Address(IPvalue) {
	var ipV4Pattern = /^(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})$/;
	var ipArray = IPvalue.match(ipV4Pattern); 
	
	if (IPvalue == "0.0.0.0" ||
		IPvalue == "255.255.255.255" ||
		IPvalue == "127.0.0.1" ||
		ipArray == null ||
		(ipArray[1] == 10) ||
		(ipArray[1] == 172 && (ipArray[2]>15 && ipArray[2]<32)) ||
		(ipArray[1] == 192 && ipArray[2]==168)
		
		)
			return true;
	else {
		for (i = 0; i < 5; i++) {
			thisSegment = ipArray[i];
			if (thisSegment > 255 ||
				(i==1 && thisSegment==0) ||
				(i==4 && (thisSegment==0 || thisSegment==255))) {
				return true;
				i = 5;
			}//if
	   }//for
	}//else
	
	return false;
}//end


function isValidIPv6Address(ipaddr) {
// check if there is a '::' in the field
var parts = ipaddr.split("::");

if(parts.length == 1) {

// there is NO occurence of '::'
//var re11 = /^[A-Fa-f0-9]{1,4}(:[A-Fa-f0-9]{1,4}){7,7}?$/;
var re11 = /^([0]\:){6}\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}(\/\d{1,2})?$/;
if (re11.test(ipaddr)) {
// IPv4 address in IPv6 address 0:0:0:0:0:0:n.n.n.n/nn e.g. 0:0:0:0:0:0:10.10.10.10/24
var ipv4parts = ipaddr.split(":");
return isValidIPv4Address(ipv4parts[6]);
}

// Pure IPv6 address
var re12 = /^[A-Fa-f0-9]{1,4}\:[A-Fa-f0-9]{1,4}\:[A-Fa-f0-9]{1,4}\:[A-Fa-f0-9]{1,4}\:[A-Fa-f0-9]{1,4}\:[A-Fa-f0-9]{1,4}\:[A-Fa-f0-9]{1,4}\:[A-Fa-f0-9]{1,4}(\/\d{1,2})?$/;
if (re12.test(ipaddr)) return true;
else return false;
}

if(parts.length == 2) {

// there is one occurence of '::'
if (parts[0] == "") {
// IPv4 address in IPv6 address ::n.n.n.n/nn e.g. :10.10.27.127/24
return isValidIPv4Address(parts[1]);
}

// Pure IPv6 address

// check first part
var re21 = /^[A-Fa-f0-9]{1,4}(\:[A-Fa-f0-9]{1,4}){0,5}$/;
if(!re21.test(parts[0])) {
return false
}

// check second part
var re22 = /^([A-Fa-f0-9]{1,4}\:){0,5}[A-Fa-f0-9]{1,4}(\/\d{1,2})?$/
if(!re22.test(parts[1])) {
return false;
}
return true;
}

// there is more that one occurence of '::'
return false;

} // end function