// JavaScript Document
var isPost = false;
function validateForm(objForm) {
	if  ( isPost ) {
		alert("You have press the SUBMIT button already");
		return false;
	} else if ( IsEmpty(objForm.name.value)) {
		Warning(objForm.name , "Please specify your First Name");
		return false;
	} else if ( IsEmpty(objForm.email.value)) {
		Warning(objForm.email ,"Please specify your Email");
		return false;
	} else if ( ! IsEmail(objForm.email.value)) {
		Warning(objForm.email ,"Please specify your Email in the right format");
		return false;
	} else if ( IsEmpty(objForm.message.value)) {
		Warning(objForm.message , "Please specify your Message");
		return false; 
	} else {
		isPost = true;
		//objForm.btnSubmit.disabled = true;
		return true;
	}
}