function fixElement(element, message) {
alert(message);
element.focus();
}
function isURLReady(form) {
var passed = false;
if (form.long_url.value.indexOf("http://") == -1 ||
form.long_url.value.indexOf(".") == -1) {
fixElement(form.long_url, "Enter a correct URL!");
}
else if (form.long_url.value.length<26) {
fixElement(form.long_url, "At least 26 chars long URL!");
} 
else {
passed = true;
}
return passed;
}