// JavaScript Document<SCRIPT TYPE="text/javascript"> 
bName = navigator.appName;
bVer = parseInt(navigator.appVersion);
if ((bName == "Netscape" && bVer >=3) || (bName == "Microsoft Internet Explorer" && bVer >=4)) br = "n3";
else br = "n2";
//
// Rollover graphics and functions
//
if ( br == "n3" ) {

BTN1_on = new Image();
BTN1_on.src = "/home/images/button-contact-red.jpg"; 

BTN1_off = new Image();
BTN1_off.src = "/home/images/button-contact-gray.jpg";

BTN2_on = new Image();
BTN2_on.src = "/home/images/button-trial-red.jpg"; 

BTN2_off = new Image();
BTN2_off.src = "/home/images/button-trial-gray.jpg";

}

function imgActive(imgName) {
if (br == "n3") {
imgOn = eval(imgName + "_on.src");
document[ imgName ].src = imgOn;
}
}

function imgInactive(imgName) {
if (br == "n3") {
imgOff = eval(imgName + "_off.src");
document[ imgName ].src = imgOff;
}
}

function getNS_url_param( name ){  
    name = name.replace(/[\[]/,"\\\[").replace(/[\]]/,"\\\]");  
    var regexS = "[\\?&]"+name+"=([^&#]*)";  
    var regex = new RegExp( regexS );  
    var results = regex.exec( window.location.href );  
    if( results == null )    
        return "";  
    else    
        return results[1];
}

function trackNSParams() {
    var name = 'leadsource';
    var value = getNS_url_param(name);
    if (value != null && value.length > 0)
        document.cookie = name+"="+value+"; path=/";
}

function appendNSParams(url) {
    var nameEQ = "leadsource=";

    var ca = document.cookie.split(';');
    for(var i=0;i < ca.length;i++) {
        var c = ca[i];
        while (c.charAt(0)==' ') c = c.substring(1,c.length);
        if (c.indexOf(nameEQ) == 0 ) 
            url = url + '&' + nameEQ + c.substring(nameEQ.length,c.length);
    }
    return url;
}

trackNSParams();