function changelink(dest)
{
	hidelinks();
	if (dest == "http://main.transcorewireless.com/pages/ltclientlogin.aspx")
	{
	    var d = document.getElementById("link_globalwaveinterface");
	    d.style.display = "block";
	}
	else if (dest == "http://www.gwvas.com/gwvas/evaluate-login")
	{
	    var d = document.getElementById("link_gwvas");
	    d.style.display = "block";
	}
	else if (dest == "http://tracking.intellitrans.com/MMTS/Default.asp")
	{
	    var d = document.getElementById("link_intel");
	    d.style.display = "block";
	}
	else if (dest == "http://www.loadlink.ca/Pages/LoadlinkSignin.aspx")
	{
	    var d = document.getElementById("link_loadlink");
	    d.style.display = "block";
	}
}

function hidelinks()
{
    var d1 = document.getElementById("link_globalwaveinterface");
    var d2 = document.getElementById("link_gwvas");
    var d3 = document.getElementById("link_intel");
    var d4 = document.getElementById("link_loadlink");
    d1.style.display = "none";
    d2.style.display = "none";
    d3.style.display = "none";
    d4.style.display = "none";
}