function check_str(form) {
var str = form.str.value;
if (str == "") {
alert ('Please enter some text to search')
form.str.focus();
form.str.select();
return (false)
}

if (str.length == 1) {
alert ('Please, enter more than two letters.')
form.str.focus();
form.str.select();
return (false)
}
return (true)
}

function c2(id){
dld=window.open('/d.php?s='+id,'crc','toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=0,resizable=0,width=500,height=255');
dld.focus();
}

function c(id){
dld=window.open('/d.php?c='+id,'crc','toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=0,resizable=0,width=500,height=255');
dld.focus();
}