function verify_form() {
    var f = document.dosage;
    if (f.email.value == "" || f.verify_email.value == "") {
        alert("Please enter your email address.");
        return false;
    } else if (f.email.value != f.verify_email.value) {
        alert("Your email addresses do not match.");
        return false;
    } else if (! (f.email.value).match(/^[^@]+@[^@]+\.[^@]+/)) {
        alert("Your email address is not valid.");
        return false;
    } else {
        return true;
    }
}
function verify_ieplugin_browser_match()
{
    //Downloading the ie plugin from anythyng but ie    
	if (YAHOO.env.ua.ie <= 0)
    {
	    alert('Must use Internet Explorer to download the Internet Explorer Plugin.');
        return false;
    }
    return true;
}


// install a firefox plugin from a webpage nicely
var install_td_firefox_addon = function( url) {
    xpi = { 'Tramdock' : url };
    InstallTrigger.install(xpi);
    return false;
}

function phone_validate()
{
    var areaCode = document.getElementById('areaCode');
    var phone1 = document.getElementById('phoneNumber01');
    var phone2 = document.getElementById('phoneNumber02');
    if((areaCode.value.search(/\d{3}/)==-1)||(phone1.value.search(/\d{3}/)==-1)||(phone2.value.search(/\d{4}/)==-1))
    {
        alert("The phone number you entered is not valid.\r\nPlease enter a phone number with the format 123-456-7890.");
        return false;
    }
    return true;
}