function main(){
    /*
    var newUser = currentDomain() != referringDomain();
    var badBrowser = (parseFloat(navigator.appVersion) < 5.0);
    if(badBrowser && newUser){
        alert("This site supports IE5 and Mozilla(NS6) please upgrade your browser.");
    }
    */
}
main();

function currentDomain(){
    return extractDomain(document.location.href);
}
function referringDomain(){
    return extractDomain(document.referrer);
}
function extractDomain(url){
    var result = (/^http:\/\/(.[^\/]*)\/.*$/.exec(url));
    //var result = (/^file:\/\/\/(.[^\/]*)\/.*$/.exec(url));
    if(result){
        return result[1];
    }
    return "";
}


var productPopUp;
function popUpProduct(productName){
    if(productPopUp && productPopUp.close){
        productPopUp.close();
    }
    productPopUp = window.open("./catalog/"+productName+".html","productPopUp","menubar=no,toolbar=no,resizeable=yes,width=700,height=500");
}