// JavaScript Document
/**
 *  Ajax Class
 *  Designer:	Stephen Liang
**/
var AjaxKtClass = function()
{
	this.xmlHttp = false;
	this.url = "";
	this.updateFun = null;

	this.Create = function(url, updateFun)
	{
	   
	
		/*@cc_on @*/
		/*@if(@_jscript_version >= 5)
		try{
			this.xmlHttp = new ActiveXObject("Msxml2.XMLHTTP");
		}catch(e){
			try{
				this.xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
			}catch(e2){
				this.xmlHttp = false;
			}
		}
		@end @*/
		if(!this.xmlHttp&&typeof XMLHttpRequest != 'undefined'){
			this.xmlHttp = new XMLHttpRequest();
		}
		
		this.url = url;
		this.updateFun = updateFun;
	}

	this.Open = function()
	{
	
		this.xmlHttp.open("GET", this.url, true);
		this.xmlHttp.onreadystatechange = this.updateFun;
		this.xmlHttp.send(null);
	}
	
	this.Open2 = function(url)
	{
		this.xmlHttp.open("GET", url, true);
		this.xmlHttp.onreadystatechange = this.updateFun;
		this.xmlHttp.send(null);
	}
	
	this.Open3 = function(param)
	{
		this.xmlHttp.open("GET", this.url + param, true);
		this.xmlHttp.onreadystatechange = this.updateFun;
		this.xmlHttp.send(null);
	}
	
	this.UpdateDiv = function(div)
	{
		if(this.xmlHttp.readyState == 4){
		 var content=this.xmlHttp.responseText;
		 if(content!='')
		  document.getElementById(div).innerHTML = content;
		}

	}
	

}


var ajaxObj = new AjaxKtClass();
function AjaxUpdate(){	ajaxObj.UpdateDiv("content");}

function load_home()
{ 
  ajaxObj.Create("response.php", AjaxUpdate);
	ajaxObj.Open3("?action=load_home");

 document.getElementById("content").style.background="url(img/bg_home.jpg) no-repeat";

	

}

function load_service(id)
{ 
  ajaxObj.Create("response.php", AjaxUpdate);
	ajaxObj.Open3("?action=load_service&id="+id);

 document.getElementById("content").style.background="url(img/bg_"+id+".jpg) no-repeat";

 

}

function load_workers(id)
{ 
  ajaxObj.Create("response.php", AjaxUpdate);
	ajaxObj.Open3("?action=load_workers&id="+id);

 document.getElementById("content").style.background="url(img/bg_workers.jpg) no-repeat";


}

function load_gallery()
{ 
  ajaxObj.Create("response.php", AjaxUpdate);
	ajaxObj.Open3("?action=load_gallery");

 document.getElementById("content").style.background="url(img/bg_gallery.jpg) no-repeat";

}

function load_page(id)
{ 
  ajaxObj.Create("response.php", AjaxUpdate);
	ajaxObj.Open3("?action=load_page&id="+id);

 document.getElementById("content").style.background="url(img/bg_"+id+".jpg) no-repeat";

	
}


function load_news(id)
{ 
  ajaxObj.Create("response.php", AjaxUpdate);
	ajaxObj.Open3("?action=load_news&id="+id);

 document.getElementById("content").style.background="url(img/bg_workers.jpg) no-repeat";

}


function change_image(img)
{
 document.gallery_image.src=img;
}