// AJAX Code Credits
		// Ryan Smith - 345 Technical - 345 Group (http://www.DynamicAJAX.com) 
		// Jeff Long - V3 Chat (http://www.v3chat.com)

			var sendReq = getXmlHttpRequestObject();
			var friendsReq = getXmlHttpRequestObject();
			var receiveReq = getXmlHttpRequestObject();
			var lastMessage = 0;
			var mTimer;
			var mTimer2;

			
			
		
			//Gets the browser specific XmlHttpRequest Object
			function getXmlHttpRequestObject() {
				if (window.XMLHttpRequest) {
					return new XMLHttpRequest();
				} else if(window.ActiveXObject) {
					return new ActiveXObject("Microsoft.XMLHTTP");
				} else {
					document.getElementById('p_status').innerHTML = 'Status: Cound not create XmlHttpRequest Object.  Consider upgrading your browser.';
				}
			}
			
			//Gets the current messages from the server
			function getChatText() {
				if (receiveReq.readyState == 4 || receiveReq.readyState == 0) {
					receiveReq.open("GET", 'getData.php?chat=1&last=' + lastMessage + '&id=' + ID + '&m=' + M, true);
					receiveReq.onreadystatechange = handleReceiveChat; 
					receiveReq.send(null);
				}			
			}
			
			//Gets FRIENDS online from the server
			function getFriends() {
				if (friendsReq.readyState == 4 || friendsReq.readyState == 0) {
					friendsReq.open("GET", 'index_users.php', true);
					friendsReq.onreadystatechange = handleFriends; 
					friendsReq.send(null);
				}			
			}			

			//Add a message to the chat server.
			function sendChatText() {
				if(!document.getElementById('txt_message').value) {
					alert("You have not entered a message");
					return;
				}
				if (sendReq.readyState == 4 || sendReq.readyState == 0) {
					sendReq.open("POST", 'sendData.php?chat=1&last=' + lastMessage + '&id=' + ID + '&m=' + M, true);
					sendReq.setRequestHeader('Content-Type','application/x-www-form-urlencoded');
					sendReq.onreadystatechange = handleSendChat; 
					var param = 'message=' + document.getElementById('txt_message').value;
					param += '&sname=' + SNAME;
					param += '&rname=' + RNAME;
					param += '&chat=1';
					param += '&ID=' + ID;
					param += '&M=' + M;
					param += '&fontface=' + document.getElementById('font_face').value;
					param += '&fontcolor=' + document.getElementById('font_color').value;
					param += '&fontheight=' + document.getElementById('font_height').value;
					if(document.getElementById('FB').checked){
					param += '&FB=' + document.getElementById('FB').value;
					}
					if(document.getElementById('FI').checked){
					param += '&FI=' + document.getElementById('FI').value;
					}
					if(document.getElementById('FU').checked){
					param += '&FU=' + document.getElementById('FU').value;
					}
					sendReq.send(param);
					document.getElementById('txt_message').value = '';
				}
						
			}

			//When our message has been sent, update our page.
			function handleSendChat() {
				//Clear out the existing timer so we don't have 
				//multiple timer instances running.
				clearInterval(mTimer);
				getChatText();
			}

			//Function for handling the return of chat text
			function handleReceiveChat() {
				if (receiveReq.readyState == 4) {
					var chat_div = document.getElementById('div_chat');
					var xmldoc = receiveReq.responseXML;
					var message_nodes = xmldoc.getElementsByTagName("message");
 					var n_messages = message_nodes.length
					for (i = 0; i < n_messages; i++) {
						var user_node = message_nodes[i].getElementsByTagName("user");
						var text_node = message_nodes[i].getElementsByTagName("text");
						var time_node = message_nodes[i].getElementsByTagName("time");
						chat_div.innerHTML += '<font class="username">' + user_node[0].firstChild.nodeValue + '</u /></b /></i /></a /></font></u /></b /></i /></a />';
						chat_div.innerHTML += '<font class="user_message">' + text_node[0].firstChild.nodeValue + '</u /></b /></i /></a /></font></u /></b /></i /></a />';
						chat_div.scrollTop = chat_div.scrollHeight;
						lastMessage = (message_nodes[i].getAttribute('id'));
					}
					mTimer = setTimeout('getChatText();',5000); //Refresh our chat in 2 seconds
				}

			}
			
			
			//Function for handling the return of chat text
			function handleFriends() {
			
				if (friendsReq.readyState == 4) {
					var friends_div = document.getElementById('div_friends');
					//alert("2");
					var xmldoc2 = friendsReq.responseXML;
					var message_nodes2 = xmldoc2.getElementsByTagName("friend");
					
 					var n_messages2 = message_nodes2.length;
					
innerul = "<ul>";

 
					
					for (i = 0; i < n_messages2; i++) {
						var name_node = message_nodes2[i].getElementsByTagName("name");
						var photo_node = message_nodes2[i].getElementsByTagName("photo");
						var age_node = message_nodes2[i].getElementsByTagName("age");
						 
						innerul += '<li><a href="search_results.php?name='+name_node[0].firstChild.nodeValue+'"><img width=95 height=109 src="'+photo_node[0].firstChild.nodeValue+'" alt="'+name_node[0].firstChild.nodeValue+'" /></a><br><a href="search_results.php?name='+name_node[0].firstChild.nodeValue+'">'+name_node[0].firstChild.nodeValue+',</a> '+age_node[0].firstChild.nodeValue+'</li>';
						
					}
friends_div.innerHTML = innerul+"</ul>";


					
					mTimer2 = setTimeout('getFriends();',2000); //Refresh our chat in 2 seconds
					 
				}

			}
			

			//This functions handles when the user presses enter.  Instead of submitting the form, we
			//send a new message to the server and return false.
			function blockSubmit() {
				sendChatText();
				return false;
			}

			//This function handles the response after the page has been refreshed.
			function handleResetChat() {
				document.getElementById('div_chat').innerHTML = '';
				getChatText();
			}

		//This function handles the enter key instead of submit button.
		function submitenter(myfield,e)
		{
		var keycode;
		if (window.event) keycode = window.event.keyCode;
		else if (e) keycode = e.which;
		else return true;

		if (keycode == 13)
		   {
		   sendChatText();
		   return false;
		   }
		else
		   return true;
		}

		// this function displays the smilies window
		function toggleBox(szDivID, iState) // 1 visible, 0 hidden
		{
		    if(document.layers)	   //NN4+
		    {
		       document.layers[szDivID].visibility = iState ? "show" : "hide";
		    }
		    else if(document.getElementById)	  //gecko(NN6) + IE 5+
		    {
		        var obj = document.getElementById(szDivID);
		        obj.style.visibility = iState ? "visible" : "hidden";
		    }
		    else if(document.all)	// IE 4
		    {
		        document.all[szDivID].style.visibility = iState ? "visible" : "hidden";
		    }
		}

		// this function adds the smile to the message input box on click
		function addsmiley(code)
		{
		 var pretext = document.frmmain.txt_message.value;
		 this.code = code;
		     document.frmmain.txt_message.value = pretext + code;
		}

var MSG_MAX_LENGTH			= '%1 may only be a maximum of %2 characters long.';
var MSG_MIN_LENGTH			= '%1 must be a minimum of %2 characters long.';
var MSG_REQ_FIELD           = '%1 is a required field.';
var MSG_INVALID_EMAIL       = 'Invalid email address: %1';
var MSG_REQUIRED_SELECT		= 'Please select a value for %1.';
var MSG_ALPHA_NUMERIC		= '%1 may only contain alphanumeric characters.';
var MSG_NUMERIC             = '%1 may only contain numeric characters!';
var MSG_TWO_FIELDS			= '%1 and %2 must be the same.';
var MSG_NOT_TWO_FIELDS      = '%1 and %2 may not have the same value.';


function validateMaxLength(field, name, maxLength) {
	var value = field.value;
	var originalVal = value;	//store a copy with the \n's in it
	var newVal = "";	//new value with any extra characters removed from it so as not to go over maxLength
	var character = null;
	value = value.replace(/\n/g,'**'); // bug #4830 when the javascript validates it sees \n's and java validates it sees \r\n's so a string may pass javascript validation but fail java validation, solution validate on a copy of the string with all \n's replaced with 2 characters to simulate the java length

	if (value.length > maxLength)
	{
		//loop through the string getting one character at a time.
		//If we encounter a \n we have to count it as 2 characters due to bug #4830
		for(var i=0, count=1; count<=maxLength; i++, count++){
				character = originalVal.charAt(i);

				//if this is a new line char make sure we have 2 spaces available in the new string
				if(character == "\n" && count<=maxLength-1){
					newVal = newVal.concat(character);
					count++;
				}else{
					newVal = newVal.concat(character);
				}
		}

		var msg = MSG_MAX_LENGTH.replace('%1', name);
		msg = msg.replace('%2', maxLength);
		alert(msg);
		try{
			//substitute in the shortened string into the field.
			field.value = newVal;
			field.focus();
		}catch(e){}
		return false;
	}
	return true;
}
function validateMinLength(field, name, minLength) {
	if (field.value.length < minLength) {
		var msg = MSG_MIN_LENGTH.replace('%1', name);
		msg = msg.replace('%2', minLength);
		alert(msg);
		try{field.focus();}catch(e){}
		return false;
	}
	else {
		return true;
	}
}
function nonEmptyDependency(field1, field1Name, field2, field2Name, message) {
	if(!isEmpty(field1) && isEmpty(field2)){
		alert(message);
		return false;
	}else{
		return true;
	}
}
function validateRequiredField(field, name, dv) {
	try
	{
		field.value = field.value.trim();
		dv = dv.trim();
	}
	catch(e) {}

	if (field.value.length == 0 || field.value == dv)
	{
		alert(MSG_REQ_FIELD.replace('%1', name));
		try{field.focus();}catch(e){}
		return false;
	}
	return true;
}
function validateEmailField(emailField, name) {
	if (isEmpty(emailField)) return true;
	if (!checkEmail(emailField.value)) {
		alert(MSG_INVALID_EMAIL.replace('%1', emailField.value));
		try{emailField.focus();}catch(e){}
		return false;
	}
	return true;
}
function validateRequiredCheckbox(field, name, msg) {
	if (!isCheckBoxChecked(field)) {
		alert(msg.replace('%1', name));
		try{field.focus();}catch(e){}
		return false;
	}
	return true;
}
function validateRequiredSelect(field, name, defaultValue) {
	if (field.value == null || field.value == '' || field.value == defaultValue) {
		alert(MSG_REQUIRED_SELECT.replace('%1', name));
		try{field.focus();}catch(e){}
		return false;
	}
	else {
		return true;
	}
}
function validateTwoFields(field,name,field2,name2) {
	if (field.value != field2.value){
		var msg = MSG_TWO_FIELDS.replace('%1', name);
		msg = msg.replace('%2', name2);
		alert(msg);
		try{field.focus();}catch(e){}
		return false;
	}
	return true;
}
function validateNotTwoFields(field,name,field2,name2) {
	if (field.value == field2.value){
		var msg = MSG_NOT_TWO_FIELDS.replace('%1', name);
		msg = msg.replace('%2', name2);
		alert(msg);
		try{field.focus();}catch(e){}
		return false;
	}
	return true;
}
function validateAlphaNumeric(field, name) {
	var mask = /^[_0-9a-zA-Z-\.]*[_0-9a-zA-Z-\.]$/
	if (!mask.test(field.value)) {
		alert(MSG_ALPHA_NUMERIC.replace('%1', name));
		try{field.focus();}catch(e){}
		return false;
	}
	return true;
}
function validateAlphaNumeric_search(field, name) {
	var mask = /^[_0-9a-zA-Z-\.\s]*[_0-9a-zA-Z-\.\s]$/
	if (!mask.test(field.value)) {
		alert(MSG_ALPHA_NUMERIC.replace('%1', name));
		try{field.focus();}catch(e){}
		return false;
	}
	return true;
}
function validateNumeric(field, name) {
	var val = trim(field.value);
	field.value = val;
	var mask = /^-?[0-9]*(\.)?[0-9]*$/
	if (!mask.test(val)) {
		alert(MSG_NUMERIC.replace('%1', name));
		try{field.focus();}catch(e){}
		return false;
	}
	return true;
}



function isEmpty(field) {
	if (field.disabled){return true;}

	if (field.type=='checkbox'||(field[0]&&field[0].type == 'checkbox')) {
		return !isCheckBoxChecked(field);
	}
	if (field.type=='radio'||(field[0]&&field[0].type == 'radio')) {
		return !isCheckBoxChecked(field);
	}
	//Try trim - will fail for input type="file".
	try
	{
		field.value = field.value.trim();
	}
	catch(e) {}
	if (field.value.length == 0) {
		return true;
	}
}
function isCheckBoxChecked(field) {
	if (field[0]) {
		for (i = 0;i<field.length;i++) {
			theField = field[i];
			if (theField.checked) {
				return true;
			}
		}
		return false;
	} else {
		if (!field.checked) {
			return false;
		}
	}
	return true;
}
function setFocus(form,field) {
	if (form != '') {
		try	{document.forms[form][field].focus();} catch(e) {}
	}
	else {
		try	{document.forms[0][field].focus();} catch(e) {}
	}
}
function giveFocus(frm, elm) {
  eval("document."+frm+"."+elm+".focus()");
}
function winpop(loc,w,h,scroll) {
	var name = loc.replace(/\W/g, "");
	window.open(loc,name,'width='+w+', height='+h+', location=no, directories=no, menubar=no, scrollbars='+scroll+', resizable=no, status=no, toolbar=no');
}

function getById(id) {
  if (document.getElementById) //  Netscape, Mozilla, etc.
  {
	return document.getElementById(id);
  }
  else if (document.all)      //  IE, Konqueror, etc.
  {
	return document.all[id];
  }
}
function div_show(id) {
	getById(id).style.display="block";
}
function div_hide(id) {
	getById(id).style.display="none";
}

function switchdiv(div1_id, div2_id, form) {
	if (document.getElementById)	{
		if(!document.getElementById(div1_id)) return ;
		if(!(document.getElementById(div1_id).style)) return ;
		if(!(document.getElementById(div1_id).style.display)) return ;

		var state1 = document.getElementById(div1_id).style.display;
		if(state1=="none") {
				document.getElementById(div1_id).style.display="block";
				document.getElementById(div2_id).style.display="none";
				if (form != null)
				{
				   form[div1_id].value='true';
				   form[div2_id].value='false';
				 }
		 }
		if(state1=="block") {
				document.getElementById(div2_id).style.display="block";
				document.getElementById(div1_id).style.display="none";
				if (form != null)
				{
				   form[div1_id].value='false';
				   form[div2_id].value='true';
				 }
		 }
	}
	else if (document.all)	{
		if(!document.all[div1_id]) return ;
		if(!(document.all[div1_id].style)) return ;
		if(!(document.all[div1_id].style.display)) return ;

		var state1 = document.all[div1_id].style.display;
		if(state1=="none") {
				document.all[div1_id].style.display = "block";
				document.all[div2_id].style.display = "none";
				if (form != null)
				{
				   form[div1_id].value='true';
				   form[div2_id].value='false';
				 }
		}
		if(state1=="block") {
				document.all[div1_id].style.display="none";
				document.all[div2_id].style.display="block";
				if (form != null)
				{
				   form[div1_id].value='false';
				   form[div2_id].value='true';
				 }
		 }
	}
}
function getRefToDiv(divID) {
	if( document.layers ) { //Netscape layers
		return document.layers[divID]; }
	if( document.getElementById ) { //DOM; IE5, NS6, Mozilla, Opera
		return document.getElementById(divID); }
	if( document.all ) { //Proprietary DOM; IE4
		return document.all[divID]; }
	if( document[divID] ) { //Netscape alternative
		return document[divID]; }
	return false;
}
function characterCounter(fieldName, maxLength, elementName) {
	var field = getById(fieldName);
	var value = field.value.replace(/\n/g,'**'); // bug #4830 when the javascript validates it sees \n's and java validates it sees \r\n's so a string may pass javascript validation but fail java validation, solution validate on a copy of the string with all \n's replaced with 2 characters to simulate the java length
	getById(elementName).innerHTML = value.length;
}
function trim(str) {
	str = new String(str);
	return str.replace(/^\s+/,'').replace(/\s+$/,'');
}
function submitForm(form, action) {
	form.action = action;
	form.submit();
}
var gOnload = new Array();
function addOnload(f) {

	if (window.onload)
	{
		if (window.onload != runOnload)
		{
			gOnload[0] = window.onload;
			window.onload = runOnload;
		}
		gOnload[gOnload.length] = f;
	}
	else
		window.onload = f;
}
function runOnload() {
	for (var i=0;i<gOnload.length;i++)
		gOnload[i]();
}
function checkEmail(emailStr) {
	var emailPat=/^(.+)@(.+)$/;
	var specialChars="\\(\\)><@,;:\\\\\\\"\\.\\[\\]!%";
	var validChars="\[^\\s" + specialChars + "\]";
	var quotedUser="(\"[^\"]*\")";
	var ipDomainPat=/^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/;
	var atom=validChars + '+';
	var word="(" + atom + "|" + quotedUser + ")";
	var userPat=new RegExp("^" + word + "(\\." + word + ")*$");
	var domainPat=new RegExp("^" + atom + "(\\." + atom +")*$");

	var matchArray=emailStr.match(emailPat);

	if (matchArray==null) {
		return false;
	}
	var user=matchArray[1];
	var domain=matchArray[2];
	for (i=0; i<user.length; i++) {
		if (user.charCodeAt(i)>127) {
			return false;
		}
	}
	for (i=0; i<domain.length; i++) {
		if (domain.charCodeAt(i)>127) {
			return false;
		}
	}
	if (user.match(userPat)==null) {
		return false;
	}

	var IPArray=domain.match(ipDomainPat);
	if (IPArray!=null) {
		for (var i=1;i<=4;i++) {
			if (IPArray[i]>255) {
				return false;
			}
		}
		return true;
	}

	var atomPat=new RegExp("^" + atom + "$");
	var domArr=domain.split(".");
	var len=domArr.length;
	for (i=0;i<len;i++) {
		if (domArr[i].search(atomPat)==-1) {
			return false;
		}
	}
	if (domArr[len-1].length < 2) {
		return false;
	}
	if (len<2) {
		return false;
	}
	/*mask=/^(root|abuse|webmaster|help|postmaster|sales|resumes|contact|advertising|spam|spamtrap|nospam|noc|admin|support|daemon|listserve|listserver|autoreply)@/i;
	if (mask.test(emailStr.toLowerCase())) {
		return false;
	}*/

	return true;
}
function updateDay(change,formName,yearName,monthName,dayName)
{
	var form = document.forms[formName];
	var yearSelect = form[yearName];
	var monthSelect = form[monthName];
	var daySelect = form[dayName];
	var year = yearSelect[yearSelect.selectedIndex].value;
	var month = monthSelect[monthSelect.selectedIndex].value;
	var day = daySelect[daySelect.selectedIndex].value;

	if (change == 'month' || (change == 'year' && month == 2))
	{
		var i = 31;
		var flag = true;
		while(flag)
		{
			var date = new Date(year,month-1,i);
			if (date.getMonth() == month - 1)
			{
				flag = false;
			}
			else
			{
				i = i - 1;
			}
		}

		daySelect.length = 0;
		daySelect.length = i;
		var j = 0;
		while(j < i)
		{
			daySelect[j] = new Option(j+1,j+1);
			j = j + 1;
		}
		if (day <= i)
		{
			daySelect.selectedIndex = day - 1;
		}
		else
		{
			daySelect.selectedIndex = daySelect.length - 1;
		}
	}
}
function checkedCount(field) {
	var	checked	= 0;

	if (field != null) {
		if (field.length == null)
		{
			if (field.checked == true)
			{
				checked++;
			}
		}
		else
		{
			for	(var i = 0 ; i < field.length	; i++)
			{
				if (field[i].checked == true)
				{
					checked++;
				}
			}
		}
	}

	return checked;
}
function isChecked(field) {
	if (checkedCount(field) == 0)
	{
		return false;
	}
	return true;
}
function isOneChecked(field) {
	if (checkedCount(field) == 1)
	{
		return true;
	}
	return false;
}