function confirmation(data)
{
return confirm(data);
}

function correct_data(fieldObject, msg_str, msg_stp, default_chars)
{
var pos = 0;

while(pos != fieldObject.value.length + 1)
{

if(default_chars.indexOf(fieldObject.value.charAt(fieldObject.value.length - pos), 0) == -1)
{
alert(msg_str + "\r" + msg_stp + " " + fieldObject.value);
fieldObject.focus();
break;
}
pos +=1;
}

}