function setFormValues(){
    var vals = navigator;
    var myDate = new Date();
    document.getElementById('time_zoneUserEmail').value = myDate.getTimezoneOffset()/60;
    var OSName="Unknown OS";
    if (vals.appVersion.indexOf("Win")!=-1) OSName="Windows";
    if (vals.appVersion.indexOf("Mac")!=-1) OSName="MacOS";
    if (vals.appVersion.indexOf("X11")!=-1) OSName="UNIX";
    if (vals.appVersion.indexOf("Linux")!=-1) OSName="Linux";
    document.getElementById('OSUserEmail').value = OSName;
    document.getElementById('countryUserEmail').value = sGeobytesCountry;
}

function checkAll(){
    var i = 0;
    var countChecks = document.collect.call(document.forms[1],'type','checkbox');
    for(i=0;i<countChecks;i++)
        document.getElementById(i).checked = true;
}

function uncheckAll(){
    var i = 0;
    var countChecks = document.collect.call(document.forms[1],'type','checkbox');
    for(i=0;i<countChecks;i++)
        document.getElementById(i).checked = false;
}

document.collect = function(att,val,loose){
    var C,i = 0, A = [], tem, temp;
    var pa = this.nodeType ? this : document;
    C = pa.getElementsByTagName('*');
    while((tem = C[i++])!= undefined){
        temp = tem.getAttribute(att) || tem[att];
        if(temp){
            if(!val || temp == val)
                A.push(tem);
            else if(loose=== true && temp.search(val)> -1)
                    A.push(tem);
        }
    }
    return A.length;
}