// JavaScript Document
var myHttpRequest = false;

if(window.XMLHttpRequest) {
	myHttpRequest = new XMLHttpRequest();
} else if(window.ActiveXObject) {
	myHttpRequest = new ActiveXObject("Microsoft.XMLHTTP");
}

function loadContent(source, content) {
	if(myHttpRequest) {
		var con = document.getElementById(content);
		myHttpRequest.open("GET", source);

		myHttpRequest.onreadystatechange = function() {
			if(myHttpRequest.readyState == 4) {
				con.innerHTML = myHttpRequest.responseText;
			}
		}
		
		myHttpRequest.send(null);
	}
}

function changeHeader(headerName) {
	var str;
	switch(headerName) {
		case 'Home': str = ""; break;
		case 'AboutUs': str = "<div><img src='media/headerAboutUs.jpg' /></div>"; break;
		case 'OurServices': str = "<div><img src='media/headerOurServices.jpg' /></div>"; break;
		case 'Castech': str = "<div><img src='media/headerWhyCastech.jpg' /></div>"; break;
		case 'ContactUs': str = "<div><img src='media/headerContactUs.jpg' /></div>"; break;
		case 'News': str = "<div><img src='media/headerNews.jpg' /></div>"; break;
		case 'FAQ': str = "<div><img src='media/headerFAQs.jpg' /></div>"; break;
		default: str = ""; break;
	}
	document.getElementById('contentHeader').innerHTML = str;
}

function checkBrowserVer() {
	// Check browser version, if using IE 6 or lower, redirect to older version of the site
	if (/MSIE (\d+\.\d+);/.test(navigator.userAgent)) { //test for MSIE x.x;
		var ieversion=new Number(RegExp.$1) // capture x.x portion and store as a number
		if (ieversion < 7) {
			window.location = "http://www.castechdata.com/2009/index.html";	
		}
	}
}