// Handles Common Functions for Bangla Live Chat
//Udaybhanu Karmakar

var ALERT_TITLE = "Error!";
var ALERT_BUTTON_TEXT = "Ok";
var d=document;

function changeRoom(nm,num)
 {
	//"On Double Click"
	setroom(nm,num);
	switchroom();
 
 }

function on_login()
 {
	  if(!document.loginform.nick.value)
	   {
	    alert("Please Enter your User Name");
	    document.loginform.nick.focus();	    
	    return false;
	   } 
	
	  if(!document.loginform.password.value)
	   {
	    alert("Please Enter your Password");
	    document.loginform.password.focus();	    
	    return false;
	   }  
	
	if(document.loginform.nick.value.length > 20)
	{
	    alert("Please enter your user name which is less than 20 characters.\nIf you have more than 20 characters long user name,\nplease create a new Banglalive Id in Banglalive which is less or equal to 20 characters.");
	    return false;
	}
	
	  if(document.loginform.own_room.value != '1')
		{
			if(document.loginform.room.value == '') 
			{ 
			alert('Please Select a Room and login');
			return false;
			}
		}
		else
		{
			 document.loginform.room.value= document.loginform.nick.value;
		}
		//document.loginform.submit();
		return true; 
  }
  
/*
function chooseroom(nm) 
{
		var rooms = document.getElementById("rooms");
			if (rooms == null) return;
	
		var row;
		var rowcount = rooms.rows.length	;
	
		for ( i = 0 ; i < rowcount ; i ++ )
		{
			row = rooms.rows(i);
			if (row )
				row.style.background = "#DEECF9"
		}
		row = rooms.rows(nm);
	
		if(row){ 
			row.style.background = "#fde65d";
			document.loginform.room.value = row.name;			
			}	

}
*/
	 
function setroom(nm,num)
{
   
   if(document.all)
    {
		//alert(num);
		room = nm;
		var rooms = document.getElementById("rooms");
		if (rooms == null) return;
	
		var row;
		var rowcount = rooms.rows.length;
	
		for ( i = 0 ; i < rowcount ; i ++ )
		{
			row = rooms.rows(i);
			if (row)
				row.style.background = "#FFFFE7";
		}
		row = rooms.rows(num);
	
		if(row){ 
		//alert("here");
			row.style.backgroundColor = '#fde65d';
			}	
    }
	else
    {
		//alert(num);
		room = nm;
		var rooms = document.getElementById("rooms");
		if (rooms == null) return;
	
		var row;
		var rowcount = rooms.rows.length;
	
		for ( i = 0 ; i < rowcount ; i ++ )
		{
			row = rooms.rows[i];
			if (row)
				row.style.background = "#FFFFE7";
		}
		row = rooms.rows[num];
	
		if(row){ 
		//alert("here");
			row.style.backgroundColor = '#fde65d';
			}	
    }
}

function switchroom()
{
	var obj;
	//if(obj == null ) return;
	
	if ( room == '' ) 
	{
	   alert('Click to choose room');
	   return false;
	}
	var doc = document	;
	if(browser == 1){
		obj = document.applets[0];
		doc.input.message.value = '/j ' + room + ' ' + getBanglish(room,obj);
	}
    else if(browser == 2)		
		doc.input.message.value = '/j ' + room + ' ' + getBanglish(room , obj);
		
	doc.input.submit();
	doc.input.message.value = '';
	doc.input.message.focus();
	return false;
}

//Functions for Online.html

function openprivatewin(whisperto)
{
	var thiswin;
	var winname = whisperto + 'BANGLACHAT' + user;
	if ( user == whisperto ) return;
	thiswin = window.open("private.html",winname);
	whisperwindows[winname] = thiswin;
	thiswin.focus();
}


//Disables Right Click

function nocontextmenu()  
  {
	event.cancelBubble = true, event.returnValue = false;
	return false;
   }


//for loginright.html

function createCustomAlert(txt) {
	//d = document;

	if(d.getElementById("modalContainer")) return;

	mObj = d.getElementsByTagName("body")[0].appendChild(d.createElement("div"));
	mObj.id = "modalContainer";
	mObj.style.height = d.documentElement.scrollHeight + "px";
	
	alertObj = mObj.appendChild(d.createElement("div"));
	alertObj.id = "alertBox";
	if(d.all && !window.opera) alertObj.style.top = document.documentElement.scrollTop + "px";
	alertObj.style.left = (d.documentElement.scrollWidth - alertObj.offsetWidth)/2 + "px";
	alertObj.style.visiblity="visible";

	h1 = alertObj.appendChild(d.createElement("h1"));
	h1.appendChild(d.createTextNode(ALERT_TITLE));

	msg = alertObj.appendChild(d.createElement("p"));
	msg.appendChild(d.createTextNode(txt));

	btn = alertObj.appendChild(d.createElement("a"));
	btn.id = "closeBtn";
	btn.appendChild(d.createTextNode(ALERT_BUTTON_TEXT));
	btn.href = "#";
	btn.focus();
	btn.onclick = function() { removeCustomAlert();return false; }

	alertObj.style.display = "block";
	
}

function removeCustomAlert() {
	document.getElementsByTagName("body")[0].removeChild(document.getElementById("modalContainer"));
}	


// Function to refresh the invite box
function refreshInviteBox()
{

	if(document.all)
    {
		//alert(num); 
		var rooms = document.getElementById("invBox");
		if (rooms == null) return;
	
		var row;
		var rowcount = rooms.rows.length;
		//alert(rowcount);
		var n = "iv";
		for ( i = 0 ; i < rowcount-2 ;i = i + 2)
		{
			
			row = rooms.rows(i);
			if (row)
			{
				row.style.background = "#FFFFE7";
			}
			
		}
		row = rooms.rows(0);
	
		if(row){ 
				row.style.backgroundColor = '#f7c39d';
			}		
	
    }
	else
    {
		var rooms = document.getElementById("invBox");
		if (rooms == null) return;
	
		var row;
		var rowcount = rooms.rows.length;
	
		for ( i = 0 ; i < rowcount ;i = i + 2 )
		{
			row = rooms.rows[i];
			if (row)
			{
				row.style.background = "#FFFFE7";
			}
		}
		row = rooms.rows[0];
	
		if(row){ 
				row.style.backgroundColor = '#f7c39d';
			}	
	}
	document.getElementById("val").value = "/j";
	document.getElementById("pvtRoomName").value = "";
	document.getElementById("pvtRoomUser").value = "";
}

//Fucntion For Setting background of Invite Popup
function setAction(act,num) 
 {
 	if(document.all)
    {
		//alert(num); 
		var rooms = document.getElementById("invBox");
		if (rooms == null) return;
	
		var row;
		var rowcount = rooms.rows.length;
		//alert(rowcount);
		var n = "iv";
		for ( i = 0 ; i < rowcount-2 ;i = i + 2)
		{
			
			row = rooms.rows(i);
			if (row)
			 {
				row.style.background = "#FFFFE7";
			 }
			
		}
		row = rooms.rows(num);
	
		if(row){ 
				row.style.backgroundColor = '#f7c39d';
			}		
		
    }
	else
    {
		var rooms = document.getElementById("invBox");
		if (rooms == null) return;
	
		var row;
		var rowcount = rooms.rows.length;
	
		for ( i = 0 ; i < rowcount ;i = i + 2 )
		{
			row = rooms.rows[i];
			if (row)
			{
				row.style.background = "#FFFFE7";
			}
		}
		row = rooms.rows[num];
	
		if(row){ 
				row.style.backgroundColor = '#f7c39d';
			}	
    }
	document.getElementById("val").value = act;
	
	//alert(act);
 
 }