function selected(obj, b, k){	
    var ch1 = 0;
    var ch2 = 0;
	//alert("ch1 = " + ch1 + " ch2 = " + ch2);
    if (k != 0) {
        for (i = 0; i < obj.pid.length; i++) {
            if (obj.pid[i].checked) {
            ch1 = 1;
            //alert(obj.pid[i].checked);
            }
        }
    }
    else {
        ch1 = 1;
    }
    if (b == 1) {
        for (i = 0; i < obj.basis.length; i++) {
            if (obj.basis[i].checked) ch2 = 1;
        }

    }
    else ch2 = 1;
	//alert("ch1 = " + ch1 + " ch2 = " + ch2);
    if (ch1 == 0) alert("Choose the size of work");
    else if (ch2 == 0) alert("The basis is not chosen");
    else obj.submit();
}