function browser() {
        var test_browser;
        if (navigator.appName.indexOf('Netscape') != -1) {
                test_browser=false;
        }else{
                test_browser=true;
        }
        return test_browser;

}

var timeStr, dateStr;

function ask_con(text) {
        var answer;
                if(confirm(text)){
                        answer=true;
                }else{
                        answer=false;
                }
        return answer;

}

function clock() {
        now= new Date();

        // time
        hours= now.getHours();
        minutes= now.getMinutes();
        seconds= now.getSeconds();
        timeStr= "" + hours;
        timeStr+= ((minutes < 10) ? ":0" : ":") + minutes;
        timeStr+= ((seconds < 10) ? ":0" : ":") + seconds;
        //document.clock.time.value = timeStr;
        document.clockr.time.value = timeStr;


        Timer= setTimeout("clock()",1000);
}
function costtype() {
        var $pt = form1.fipa.value;
        if($pt=='ff') {

                form1.ovra.disabled=false;
                form1.ovra.value=80;
                form1.firal.value=50;
        }else if($pt=='fc'){

                form1.ovra.value=0;
                form1.ovra.disabled=true;
                form1.ovra.hidden=true;
                form1.firal.value=50;
        }else{
                form1.ovra.disabled=false;
                form1.ovra.value=20;
                form1.firal.value=100;
        }
}