var yc=0,yf=0;

function changeletterform (name)
{
    if (name.value==1)
    {
        name.value=0;
    }
    else
    {
        name.value=1;
    }
}

function changeImage(obj,value,add)
{
    switch( value )
    {
        case '#CE00FF': k='2'; break;
        case '#008100': k='3'; break;
        case '#3030CE': k='4'; break;
        case '#FF6500': k='5'; break;
        case '#959595': k='6'; break;
        case '#FF0000': k='7'; break;
        case '#623C00': k='8'; break;
        default           : k='1';
    }
    obj.src='_d/edit3/kolor_0'+k+'_0'+add+'.gif';
}

function popupMsg(msg)
{
    alert(msg);
}

function Warning(text,el)
{
    if(text.length>1)
    {
        alert(text);
    } else
    {
        alert('Wpisz poprawne dane do pola !!!');
    }
    el.focus();
    el.style.backgroundColor="#991A1A";
    return false;
}

function checkText(value)
{
    if(value && value.length>1)
    {
        return 1;
    }
    else    return 0;
}

function CheckEmail(value)
{
    if(value.match(/^[_a-z0-9-]+(\.[_a-z0-9-]+)*@[a-z0-9-]+(\.[a-z0-9-]+)+$/)) return 1
    else return 0
}


function send_form(form){

    if (form.subject.value == ''){
        return Warning('Wpisz temat!', form.subject)
    }
	 else
    if (form.text.value == ''){
        return Warning('Wpisz treść!', form.text)
    }
    else
        if (CheckEmail(form.email.value) == '0'){
        return Warning('Wprowadz poprawny adres e-mail!', form.email)
    }
        else
            form.submit();
}