function validate() {
        if ((!document.domain_form.gr.checked) && 
            (!document.domain_form.cogr.checked) && 
            (!document.domain_form.eu.checked) && 
            (!document.domain_form.info.checked) && 
            (!document.domain_form.biz.checked) && 
            (!document.domain_form.com.checked) && 
            (!document.domain_form.net.checked) && 
            (!document.domain_form.us.checked) && 
            (!document.domain_form.org.checked) && 
            (!document.domain_form.comgr.checked) && 
            (!document.domain_form.netgr.checked) && 
            (!document.domain_form.orggr.checked) && 
            (!document.domain_form.govgr.checked) &&
            
            (!document.domain_form.edugr.checked) &&
            (!document.domain_form.ws.checked) &&
            (!document.domain_form.tv.checked) &&
            (!document.domain_form.mobi.checked) &&
            (!document.domain_form.cn.checked) &&
            (!document.domain_form.cc.checked) &&
            (!document.domain_form.inn.checked)
           ) {
            alert('Πρέπει να επιλέξετε τουλάχιστον μία κατάληξη');
            return(false);
        }
            
        if(document.domain_form.domain_name.value.length<3) {
            alert('Το domain name δεν μπορεί να είναι μικρότερο απο 3 γράμματα');
            return(false)
        }
        
        var acceptz = "01234567890abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZςερτυθιοπλκξηγφδσαζχψωβνμΕΡΤΥΘΙΟΠΛΚΞΗΓΦΔΣΑΖΧΨΩΒΝΜέύίόήάώ-";
        for (var z = 0; z<document.domain_form.domain_name.value.length; z++) {
            char1 = document.domain_form.domain_name.value.charAt(z)
            if (acceptz.indexOf(char1) == -1) {
                alert("Το ζητούμενο όνομα πρέπει να περιέχει μόνο αλφαριθμητικούς χαρακτήρες και παύλες χωρίς κατάληξη");
                return(false);
            }
        } 
        
        return(true);
    }
    

    var form='domain_form' //Give the form name here
    function checkall() {
        document.domain_form.gr.checked=1;
        document.domain_form.com.checked=1;
        document.domain_form.net.checked=1;
        document.domain_form.org.checked=1;
        document.domain_form.info.checked=1;
        document.domain_form.us.checked=1;
        document.domain_form.netgr.checked=1;
        document.domain_form.orggr.checked=1;
        document.domain_form.comgr.checked=1;
        document.domain_form.govgr.checked=1;
        document.domain_form.biz.checked=1;
        document.domain_form.eu.checked=1;
        document.domain_form.cogr.checked=1;
        
        document.domain_form.edugr.checked=1;
        document.domain_form.ws.checked=1;
        document.domain_form.tv.checked=1;
        document.domain_form.mobi.checked=1;
        document.domain_form.cn.checked=1;
        document.domain_form.cc.checked=1;
        document.domain_form.inn.checked=1;
    }
    
    function checknone() {
        document.domain_form.gr.checked=0;
        document.domain_form.com.checked=0;
        document.domain_form.net.checked=0;
        document.domain_form.org.checked=0;
        document.domain_form.info.checked=0;
        document.domain_form.us.checked=0;
        document.domain_form.netgr.checked=0;
        document.domain_form.orggr.checked=0;
        document.domain_form.comgr.checked=0;
        document.domain_form.govgr.checked=0;
        document.domain_form.biz.checked=0;
        document.domain_form.eu.checked=0;
        document.domain_form.cogr.checked=0;
        
        document.domain_form.edugr.checked=0;
        document.domain_form.ws.checked=0;
        document.domain_form.tv.checked=0;
        document.domain_form.mobi.checked=0;
        document.domain_form.cn.checked=0;
        document.domain_form.cc.checked=0;
        document.domain_form.inn.checked=0;
    }
    
function getCheckedValue(radioObj) {
    var rb = 0;
    if(!radioObj)
        return "";
    var radioLength = radioObj.length;

    if(radioLength == undefined)
        if(radioObj.checked) {
            document.select_domain_form.submit();
            return;
        }

    for(var i = 0; i < radioLength; i++) {
        if(radioObj[i].checked) {
            document.select_domain_form.submit();
            return;
        }
    }
    alert('Πρέπει να επιλέξετε ενα domain πρώτα');
}

function NewWindow(mypage, myname, w, h, scroll) {
    var winl = (screen.width - w) / 2;
    var wint = (screen.height - h) / 2;
    

    winprops='height='+h+',width='+w+',top='+wint+',left='+winl+',scrollbars='+scroll+',resizable'
    win = window.open(mypage, myname, winprops)
    if (parseInt(navigator.appVersion) >= 4) { win.window.focus(); }
}