<!-- Validate  Form -->
function validateform() {
var errorcount=0;

if (document.requestform.Name.value == "") {
document.getElementById("namealert").style.color="RED";
errorcount++;
}

if (errorcount != 0){
alert("Please correct any fields in RED.");
return false;
}
else{
document.requestform.Send_Details();
}
}
<!-- END Validate Form -->