/// nabor funkcij dlja zarra2


// otkritie kartinok
function openimg(img)
{
    wd=screen.width;
    hd=screen.height;
    l=(wd-500)/2;
    t=(hd-320)/2-50;
    window.open("img.php?img="+img, "_blank", "toolbar=no, location=no, left="+l+", top="+t+", directories=no, status=no, menubar=no, scrollbars=yes, resizable=yes, fullscreen=no, width=200, height=200");
}
//
// vzjatj cookie
function GetCookie(name)
{
    var result = null;
    var myCookie = " " + document.cookie + ";";
    var searchName = " " + name + "=";
    var startOfCookie = myCookie.indexOf(searchName);
    var endOfCookie;
    if (startOfCookie != -1)
    {
        startOfCookie += searchName.length;
        endOfCookie = myCookie.indexOf(";", startOfCookie);
        result = unescape(myCookie.substring(startOfCookie, endOfCookie));
    }
    return result;
}

// ustanovitj cookie
function SetCookie(name, value, expires, path, domain, secure)
{
    var expString = ((expires == null) ? "" : ("; expires=" + expires.toGMTString()));
    var pathString = ((path == null) ? "" : ("; path=" + path));
    var domainString = ((domain == null) ? "" : ("; domain=" + domain));
    var secureString = ((secure == true) ? "; secure" : "");
    document.cookie = name + "=" + escape(value) + expString + pathString + domainString + secureString;
}


function openurl(file,w,h)
{
if (file == "" )
{
return;
}
wd=screen.width;
hd=screen.height;
l=(wd-800)/2;
t=(hd-600)/2-50;
window.open(file, "_blank", "toolbar=no, location=no, left="+l+", top="+t+", directories=no, status=no, menubar=no, scrollbars=yes, resizable=yes, fullscreen=no, width="+w+", height="+h+"");
}

function forma_obhod(frm,atr_nado,atr_msg,class_true,class_false)
{
var cont = frm.elements.length;

var atr1 ;
for ( var i = 0 ; i < cont ; i++)
{

if(frm.elements[i].getAttribute(atr_nado) == 1)
{
if(frm.elements[i].value == "" )
{

frm.elements[i].focus();
frm.elements[i].className = class_false;
alert(frm.elements[i].getAttribute(atr_msg));
return false;
}
frm.elements[i].className = class_true;
}
}

return true;
}


function rascet_kredit(aaa)
{
var obj = document.kredit; var plati = 0; var re = /,/;
var vgod = obj.kredit_vgod.value.replace(re,"\."); vgod = vgod * 1;
if(vgod == 0 ) return;
var h4 = (vgod/12)/100;
var cena = obj.kredit_cena.value.replace(re,"\."); cena = cena * 1;
if (cena == 0 ) return;
var first = obj.kredit_first.value.replace(re,"\.");  first = first * 1;
var srok = obj.kredit_srok.value * 1;
if (srok < 1 ) return;
if (first >= 100 ){
obj.kredit_plati.value = 0.00;
return;
}
if (first <= 0 ) plati = cena;
else  plati = cena - (cena * first / 100 );
obj.kredit_plati.value = Math.round(plati * 100)/100 ;
var prom = plati * h4 * (1-1/(1-Math.pow(1+h4,srok)));
prom = Math.ceil(prom * 100)/100 ;
obj.kredit_vmesjac.value = prom;
var vsego = prom * srok; vsego = Math.ceil(vsego * 100)/100 ;
obj.kredit_itogo.value = vsego;
return;
}