var technology_type = 1; //init for JetSpyder as default
var xml = xmlLoader("xml/technology.xml");

function xmlLoader(url){

    if(window.XMLHttpRequest){
        var Loader = new XMLHttpRequest();
        //assyncronous mode to load before the 'return' line
        Loader.open("GET", url ,false); 
        Loader.send(null);
        return Loader.responseXML;
    }else if(window.ActiveXObject){
        var Loader = new ActiveXObject("Msxml2.DOMDocument.3.0");
        //assyncronous mode to load before the 'return' line
        Loader.async = false;
        Loader.load(url);
        return Loader;
    }
}

function initpage()
{
	if (xml.getElementsByTagName("name")[0].hasChildNodes()) {document.getElementById('techtitle1').innerHTML = xml.getElementsByTagName("name")[0].childNodes[0].nodeValue;}
	else {document.getElementById('tech_title1').style.display = 'none';}
	if ( xml.getElementsByTagName("name")[1].hasChildNodes()) {document.getElementById('techtitle2').innerHTML = xml.getElementsByTagName("name")[1].childNodes[0].nodeValue;}
	else {document.getElementById('tech_title2').style.display = 'none';}
	
	if (xml.getElementsByTagName("name")[0].hasChildNodes()) {changeLink(1);}
	else {changeLink(2);}
	
	
}


function changeLink(a)
{
technology_type = a;


if (a==1) { // JetSpyder
			document.getElementById('title_bar_name').innerHTML=xml.getElementsByTagName("name")[0].childNodes[0].nodeValue;
			document.getElementById('technology_descripion').innerHTML=xml.getElementsByTagName("content")[0].childNodes[0].nodeValue; 
	        document.getElementById('thumb1').src=xml.getElementsByTagName("smallpic")[0].childNodes[0].nodeValue;
			document.getElementById('thumb2').src=xml.getElementsByTagName("smallpic")[1].childNodes[0].nodeValue;
			document.getElementById('pic_fullview').src=xml.getElementsByTagName("largepic")[0].childNodes[0].nodeValue;
			
		}
		
if (a==2) { // Printhead
			document.getElementById('title_bar_name').innerHTML=xml.getElementsByTagName("name")[1].childNodes[0].nodeValue;
			document.getElementById('technology_descripion').innerHTML=xml.getElementsByTagName("content")[1].childNodes[0].nodeValue;
			document.getElementById('thumb1').src=xml.getElementsByTagName("smallpic")[2].childNodes[0].nodeValue;
			document.getElementById('thumb2').src=xml.getElementsByTagName("smallpic")[3].childNodes[0].nodeValue;
			document.getElementById('pic_fullview').src=xml.getElementsByTagName("largepic")[2].childNodes[0].nodeValue;
		}

}

function changePic(b)
{		
// Pictures change script

if (b==1) {
			if (window.technology_type==1) { document.getElementById('pic_fullview').src=xml.getElementsByTagName("largepic")[0].childNodes[0].nodeValue;}
			if (window.technology_type==2) { document.getElementById('pic_fullview').src=xml.getElementsByTagName("largepic")[2].childNodes[0].nodeValue;}

		}

if (b==2) {
			if (window.technology_type==1) { document.getElementById('pic_fullview').src=xml.getElementsByTagName("largepic")[1].childNodes[0].nodeValue}
			if (window.technology_type==2) { document.getElementById('pic_fullview').src=xml.getElementsByTagName("largepic")[3].childNodes[0].nodeValue}
		}
}