function createObject() {
var request_type;
var browser = navigator.appName;
if(browser == "Microsoft Internet Explorer"){
request_type = new ActiveXObject("Microsoft.XMLHTTP");
}else{
request_type = new XMLHttpRequest();
}
return request_type;
}

var http = createObject();


/* -------------------------- */
/* LOGIN */
/* -------------------------- */
/* Required: var nocache is a random number to add to request. This value solve an Internet Explorer cache issue */

function display_rooms(){

	if(http.readyState == 4){
		var response = http.responseText;
		var resArray=new Array();
		var resArray = response.split('@');

		if(resArray[0] == 0){
		// if login fails
		document.getElementById('rooms_dropdowmn').innerHTML = '';
		// else if login is ok show a message: "Welcome + the user name".
		} else {
		document.getElementById('rooms_dropdowmn').innerHTML = resArray[0];
		}
		if(resArray[1] == 0){
		// if login fails
		document.getElementById('period_dropdowmn').innerHTML = '';
		// else if login is ok show a message: "Welcome + the user name".
		} else {
		document.getElementById('period_dropdowmn').innerHTML = resArray[1];
		}
	}
	else{
		document.getElementById('rooms_dropdowmn').innerHTML = '<td>&nbsp;</td><td><img src="images/bigrotation2.gif" style="border:0; vertical-align:middle" /></td>';
		document.getElementById('period_dropdowmn').innerHTML = "";
	}
}
function display_hotel_name_exist_message(){
	if(http.readyState == 4){
		var response = http.responseText;
		var resArray=new Array();
		var resArray = response.split('@');
		if(response !=0){
		if(resArray[0] == "true"){
			var hotel_name = document.getElementById('hotel_name').value;
			inlineMsg('hotel_name',resArray[1],2);
			document.getElementById('checkAvalable').innerHTML = '<a href="javascript:void(0)" onclick="javascript: chekAvailability()">Chack availibility</a>';
			 return false;
		}
		if(resArray[0] == "false"){
			var hotel_name = document.getElementById('hotel_name').value;
			inlineMsg('hotel_name',resArray[1],2);
			document.getElementById('checkAvalable').innerHTML = '<a href="javascript:void(0)" onclick="javascript: chekAvailability()">Chack availibility</a>';
			return true;
		}
		}
		
	}
	else{
		document.getElementById('checkAvalable').innerHTML = '<img src="images/rotating_arrow.gif" style="border:0; vertical-align:middle" />';
	}
	
}
//save banner click ajax function 
function saveBannerClickAjax(){

	if(http.readyState == 4){
		var response = http.responseText;
		if(response!=""){
			//location.href= response;
			//target = "_blank";
			
			window.open(response);
		}
	}
}
function saveBannerClick(bannerId,bannerUrl,baseUrl) {
	http.open("GET", baseUrl+"homes/save_banner_click/"+bannerId+"/"+bannerUrl);
	http.onreadystatechange = saveBannerClickAjax;
	http.send(null);
}
//end banner click ajax function
// START OF MESSAGE SCRIPT //

var MSGTIMER = 20;
var MSGSPEED = 5;
var MSGOFFSET = 3;
var MSGHIDE = 3;

// build out the divs, set attributes and call the fade function //
function inlineMsg(target,string,autohide) {
  var msg;
  var msgcontent;
  if(!document.getElementById('msg')) {
    msg = document.createElement('div');
    msg.id = 'msg';
    msgcontent = document.createElement('div');
    msgcontent.id = 'msgcontent';
    document.body.appendChild(msg);
    msg.appendChild(msgcontent);
    msg.style.filter = 'alpha(opacity=0)';
    msg.style.opacity = 0;
    msg.alpha = 0;
  } else {
    msg = document.getElementById('msg');
    msgcontent = document.getElementById('msgcontent');
  }
  msgcontent.innerHTML = string;
  msg.style.display = 'block';
  var msgheight = msg.offsetHeight;
  var targetdiv = document.getElementById(target);
  targetdiv.focus();
  var targetheight = targetdiv.offsetHeight;
  var targetwidth = targetdiv.offsetWidth;
  var topposition = topPosition(targetdiv) - ((msgheight - targetheight) / 2);
  var leftposition = leftPosition(targetdiv) + targetwidth + MSGOFFSET;
  msg.style.top = topposition + 'px';
  msg.style.left = leftposition + 'px';
  clearInterval(msg.timer);
  msg.timer = setInterval("fadeMsg(1)", MSGTIMER);
  if(!autohide) {
    autohide = MSGHIDE;  
  }
  window.setTimeout("hideMsg()", (autohide * 1000));
}

// hide the form alert //
function hideMsg(msg) {
  var msg = document.getElementById('msg');
  if(!msg.timer) {
    msg.timer = setInterval("fadeMsg(0)", MSGTIMER);
  }
}

// face the message box //
function fadeMsg(flag) {
  if(flag == null) {
    flag = 1;
  }
  var msg = document.getElementById('msg');
  var value;
  if(flag == 1) {
    value = msg.alpha + MSGSPEED;
  } else {
    value = msg.alpha - MSGSPEED;
  }
  msg.alpha = value;
  msg.style.opacity = (value / 100);
  msg.style.filter = 'alpha(opacity=' + value + ')';
  if(value >= 99) {
    clearInterval(msg.timer);
    msg.timer = null;
  } else if(value <= 1) {
    msg.style.display = "none";
    clearInterval(msg.timer);
  }
}

// calculate the position of the element in relation to the left of the browser //
function leftPosition(target) {
  var left = 0;
  if(target.offsetParent) {
    while(1) {
      left += target.offsetLeft;
      if(!target.offsetParent) {
        break;
      }
      target = target.offsetParent;
    }
  } else if(target.x) {
    left += target.x;
  }
  return left;
}

// calculate the position of the element in relation to the top of the browser window //
function topPosition(target) {
  var top = 0;
  if(target.offsetParent) {
    while(1) {
      top += target.offsetTop;
      if(!target.offsetParent) {
        break;
      }
      target = target.offsetParent;
    }
  } else if(target.y) {
    top += target.y;
  }
  return top;
}

// preload the arrow //
if(document.images) {
  arrow = new Image(7,80); 
  arrow.src = "images/msg_arrow.gif"; 
}