// JavaScript Document
var xmlHttp
function GetXmlHttpObject()
{
	var xmlHttp=null;
	try
	{
		// Firefox, Opera 8.0+, Safari
		xmlHttp=new XMLHttpRequest();
	}
	catch (e)
	{
		//Internet Explorer
		try
		{
			xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
		}
		catch (e)
		{
			xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
		}
	}
	return xmlHttp;
}

//--------  History  ----------
function content(url)
{ 	
	xmlHttp=GetXmlHttpObject();
	if (xmlHttp==null)
	{
		alert ("Browser does not support HTTP Request");
		return;
	}	
	var url = url;		
	xmlHttp.onreadystatechange=stateChanged;
	xmlHttp.open("GET",url,true); 	
	xmlHttp.send(null);		
}

function content_renew(url)
{ 	
	
	xmlHttp=GetXmlHttpObject();
	if (xmlHttp==null)
	{
		alert ("Browser does not support HTTP Request");
		return;
	}	
	var url = url;		
	xmlHttp.onreadystatechange=stateChanged_renew;
	xmlHttp.open("GET",url,true); 	
	xmlHttp.send(null);		
}

function stateChanged_renew() 
{ 
	if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
	{ 
		document.getElementById("display").innerHTML=xmlHttp.responseText;
		//alert(document.getElementById("display").innerHTML);
		test(5); img(5);
	} 
}

function content_new(url)
{ 
	xmlHttp=GetXmlHttpObject();
	if (xmlHttp==null)
	{
		alert ("Browser does not support HTTP Request");
		return;
	}	
	var url = url;		
	xmlHttp.onreadystatechange=stateChanged_new;
	xmlHttp.open("GET",url,true); 	
	xmlHttp.send(null);		
}

function content_key(url)
{ 
	xmlHttp=GetXmlHttpObject();
	if (xmlHttp==null)
	{
		alert ("Browser does not support HTTP Request");
		return;
	}	
	var url = url;		
	xmlHttp.onreadystatechange = stateChanged;
	xmlHttp.open("GET",url,true); 	
	xmlHttp.send(null);
	var flash;
	flash = "<object classid='clsid:D27CDB6E-AE6D-11cf-96B8-444553540000' codebase='http:\/\/download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=7,0,19,0' width='280' height='363' title='comin khmere engineering solutions'><param name='movie' value='FLA/key-figures.swf' /><param name='quality' value='high' /><embed src='FLA/key-figures.swf' quality='high' pluginspage='http:\/\/www.macromedia.com/go/getflashplayer' type='application/x-shockwave-flash' width='280' height='363'></embed></object>";
	document.getElementById('image').innerHTML = flash;
}
//----- Organistion block -----
function org(url)
{
	xmlHttp=GetXmlHttpObject();
	if (xmlHttp==null)
	{
		alert ("Browser does not support HTTP Request");
		return;
	}
	var url = url;
	xmlHttp.onreadystatechange=stateChanged_1;
	xmlHttp.open("GET",url,true); 
	xmlHttp.send(null);
	/*if(url == 'about/trading.html')
		document.getElementById("icon").innerHTML = "<img src='images/trading.gif' width='112' height='112' />";
	else if(url == 'about/power.html')
		document.getElementById("icon").innerHTML = "<img src='images/power-ico1.jpg' width='112' height='112' />";
	else if(url == 'about/contracting.html')
		document.getElementById("icon").innerHTML = "<img src='images/contracting-ico1.jpg' width='112' height='112' />";
	else if(url == 'about/service.html')
		document.getElementById("icon").innerHTML = "<img src='images/service-ico1.jpg' width='112' height='112' />";
	else
		document.getElementById("icon").innerHTML = "";*/
}

//---- End Organization block ----
function stateChanged() 
{ 
	if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
	{ 
		document.getElementById("display").innerHTML=xmlHttp.responseText;
		//alert(document.getElementById("display").innerHTML);
		//test(5); img(5);
	} 
}

function stateChanged_new() 
{ 
	if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
	{ 
		document.getElementById("tab5").innerHTML=xmlHttp.responseText 
	} 
}

function stateChanged_1() 
{ 
	if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
	{ 
		document.getElementById("dis_content").innerHTML=xmlHttp.responseText 
	} 
}

function timer(num){
	//alert(num);
	var image;
	switch(num){
		case 2:
			image = "power.gif";
			break;
		case 3:
			image = "contracting.gif";
			break;
		case 4:
			image = "service.gif";
			break;
		case 5:
			image = "energy.gif";
			break;
		default:
			image = "trading.gif";
	}
	//alert(image);
	for(i=1;i<6;i++){
		if (i == num){
			document.getElementById("tab"+num).style.display = '';
			if(image != 'empty'){
				document.getElementById("icon").innerHTML = "<img src='./images/icon/"+image+"' width='75' height='75' />";
			}else{
				document.getElementById("icon").innerHTML = "";
			}
		}else{			
			document.getElementById("tab"+i).style.display = "none";
			//alert(i);
		}	
	}
	//alert("done");
}

function test(num){
	
	if(num==5)
	{
		setTimeout("timer("+num+")",0);
	}else{
		timer(num);
	}	
	
}
function img(n)
{
	document.getElementById("image").innerHTML = getImg(n);
}

function getImg(num){
	switch(num)
	{	
		case 1: return "<img src='./img-about/Trading.png' />"; break;
		case 2: return "<img src='./img-about/Power.png' />"; break;
		case 3: return "<img src='./img-about/Contracting.png' />"; break;
		case 4: return "<img src='./img-about/Service.png' />"; break;
		case 5: return "<img src='./img-about/Renewable-Energy.png' />"; break;
	}	
}

function stateChanged_img() 
{ 
	if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
	{ 
		document.getElementById("image").innerHTML=xmlHttp.responseText 
	} 
}