function changeOS(OS) {
		if (OS == "Windows") {
		document.getElementById("osImage1").src = "http://www.link-assistant.com/images/windows22x22.gif";
		document.getElementById("waDownloadLink").href = "download/windows/websiteauditor.zip";
		document.getElementById("sgDownloadLink").href = "download/windows/seospyglass.zip";
		document.getElementById("rtDownloadLink").href = "download/windows/ranktracker.zip";
		document.getElementById("laDownloadLink").href = "download/windows/linkassistant.zip";
		}
		if (OS == "Mac OS X") {
		document.getElementById("osImage1").src = "http://www.link-assistant.com/images/macosx22x22.gif";
		document.getElementById("waDownloadLink").href = "download/macosx/websiteauditor.tar.gz";
		document.getElementById("sgDownloadLink").href = "download/macosx/seospyglass.tar.gz";
		document.getElementById("rtDownloadLink").href = "download/macosx/ranktracker.tar.gz";
		document.getElementById("laDownloadLink").href = "download/macosx/linkassistant.tar.gz";
		}
		if (OS == "Linux/UNIX") {
		document.getElementById("osImage1").src = "http://www.link-assistant.com/images/linux22x22.gif";
		document.getElementById("waDownloadLink").href = "download/linux/websiteauditor.tar.gz";
		document.getElementById("sgDownloadLink").href = "download/linux/seospyglass.tar.gz";
		document.getElementById("rtDownloadLink").href = "download/linux/ranktracker.tar.gz";
		document.getElementById("laDownloadLink").href = "download/linux/linkassistant.tar.gz";
		}
	document.getElementById("wa").innerHTML = document.getElementById("sg").innerHTML = document.getElementById("rt").innerHTML = document.getElementById("la").innerHTML = OS;
	}
	
    var RT_list = 1;
	var SG_list = 1;
	var WA_list = 1;
	var LA_list = 1;
	var counter = 0;

function list(id) {
		if (id == "RT_list") { RT_list++; counter = RT_list; more = "RT_more";}
		if (id == "SG_list") { SG_list++; counter = SG_list; more = "SG_more";}
		if (id == "WA_list") { WA_list++; counter = WA_list; more = "WA_more";}
		if (id == "LA_list") { LA_list++; counter = LA_list; more = "LA_more";}
		
		if (counter % 2 == 0) {
			document.getElementById(id).style.display = 'block';
			document.getElementById(more).innerHTML = "Hide..."
		} else {
			document.getElementById(id).style.display = 'none';
			document.getElementById(more).innerHTML = "Read more..."
		}
	return false;
	}