if (document.getElementById("et_contact_submit") != undefined) {
    document.getElementById("et_contact_submit").value="";
}

var price_a4 = 43000;
var price_a5 = 35000;

var price_20_20 = 39000;
var price_30_30 = 50000;

function changeCheckbox(item) {
    if (item.value == "") {
        if (item.id == "a5_darabszam" && document.getElementById('meret_a5_c').checked == true) {
            document.getElementById('meret_a5_c').checked = false;
        }
        if (item.id == "a4_darabszam" && document.getElementById('meret_a4_c').checked == true) {
            document.getElementById('meret_a4_c').checked = false;
        }
        if (item.id == "20_20_darabszam" && document.getElementById('meret_20_20_c').checked == true) {
            document.getElementById('meret_20_20_c').checked = false;
        }
        if (item.id == "30_30_darabszam" && document.getElementById('meret_30_30_c').checked == true) {
            document.getElementById('meret_30_30_c').checked = false;
        }        
    } else {
        if (item.id == "a5_darabszam" && document.getElementById('meret_a5_c').checked == false) {
            document.getElementById('meret_a5_c').checked = true;
        }
        if (item.id == "a4_darabszam" && document.getElementById('meret_a4_c').checked == false) {
            document.getElementById('meret_a4_c').checked = true;
        }
        if (item.id == "20_20_darabszam" && document.getElementById('meret_20_20_c').checked == false) {
            document.getElementById('meret_20_20_c').checked = true;
        }
        if (item.id == "30_30_darabszam" && document.getElementById('meret_30_30_c').checked == false) {
            document.getElementById('meret_30_30_c').checked = true;
        }        
    }
}

function refreshPrice() {
    if (document.getElementById('a5_darabszam').value != '')
        db_a5 = document.getElementById('a5_darabszam').value;
    else
        db_a5 = 0;
        
    if (document.getElementById('a4_darabszam').value != '')
        db_a4 = document.getElementById('a4_darabszam').value;
    else
        db_a4 = 0;
    
    if (document.getElementById('20_20_darabszam').value != '')
        db_20_20 = document.getElementById('20_20_darabszam').value;
    else
        db_20_20 = 0;
        
    if (document.getElementById('30_30_darabszam').value != '') 
        db_30_30 = document.getElementById('30_30_darabszam').value;
    else
        db_30_30 = 0;
    
    db_a4a5 = 0;
    db_20_30 = 0;
    
    price = 0;
    price_a4_a5 = 0;
    price_20_30 = 0;
    
    //ha a4 és a5 is be van jelölve
    if (document.getElementById('meret_a5_c').checked == true && db_a5 != NaN && db_a5>0 && document.getElementById('meret_a4_c').checked == true && db_a4 != NaN && db_a4>0)  {
        price_a4_a5 += parseInt(price_a4) + (parseInt(db_a4)-1)*price_a4*0.7 + parseInt(db_a5)*price_a5*0.7;
    } else {//ha csak a4 vagy a5 van
        
        if (document.getElementById('meret_a5_c').checked == true && db_a5 != NaN && db_a5>0) {
            price_a4_a5 += price_a5 + (parseInt(db_a5)-1)*price_a5*0.7;
        }
        if (document.getElementById('meret_a4_c').checked == true && db_a4 != NaN && db_a4>0) {
            price_a4_a5 += price_a4 + (parseInt(db_a4)-1)*price_a4*0.7;
        }
    }

    if (document.getElementById('meret_20_20_c').checked == true && db_20_20 != NaN && db_20_20>0 && document.getElementById('meret_30_30_c').checked == true && db_30_30 != NaN && db_30_30>0)  {
        price_20_30 += parseInt(price_30_30) + (parseInt(db_30_30)-1)*price_30_30*0.7 + parseInt(db_20_20)*price_20_20*0.7;
    } else {//ha csak 20 vagy 30 van
        if (document.getElementById('meret_20_20_c').checked == true && db_20_20 != NaN && db_20_20>0) {
            price_20_30 += price_20_20 + (parseInt(db_20_20)-1)*price_20_20*0.7;
        }
        if (document.getElementById('meret_30_30_c').checked == true && db_30_30 != NaN && db_30_30>0) {
            price_20_30 += price_30_30 + (parseInt(db_30_30)-1)*price_30_30*0.7;
        } 
    }    
    //alert(price_20_30);    
    price = price_a4_a5 + price_20_30;
    document.getElementById('fizetendo').value = price;
}

function megrendelesElkuldese() {
	var retVal = true;
	
	if (document.getElementById('nev').value == '') {
		retVal = false;
		alert('A "Név" mező kitöltése kötelező!');
	}
	if (retVal == true && document.getElementById('e_mail').value == '') {
		retVal = false;
		alert('A "E-Mail" mező kitöltése kötelező!');
	}
	if (retVal == true && document.getElementById('tel').value == '') {
		retVal = false;
		alert('A "Telefonszám" mező kitöltése kötelező!');
	}
	if (retVal == true && document.getElementById('szerzodesi_feltelek').checked == false) {
		retVal = false;
		alert('A "szerződési feltételeket" elfogadása kötelező!');
	}
	
	if (retVal == true) {
		document.forms['fotokonyv_megrendeles_form'].submit();
	}
}