function checkFeedbackForm(){		
	
	var objForm = document.getElementById("feedbackForm");
	
	if(trim(objForm.f1.value).length<2){
		alert("Please enter your full name.\n");
		objForm.f1.value = trim(objForm.f1.value);
		objForm.f1.focus();
		return false;
	}
	
	if(trim(objForm.f2.value).length<2){
		alert("Please enter your contact number.\n");
		objForm.f2.value = trim(objForm.f2.value);
		objForm.f2.focus();
		return false;
	}
	
	if (!(/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(trim(objForm.f3.value)))){
		alert("Please enter a valid email address.\n");
		objForm.f3.value = trim(objForm.f3.value);
		objForm.f3.focus();
		return false;
	}
	
	if(trim(objForm.f4.value).length<6){
		alert("Please enter a subject.\n");
		objForm.f4.value = trim(objForm.f4.value);
		objForm.f4.focus();
		return false;
	}
	
	if(trim(objForm.f5.value).length<10){
		alert("Please enter your comments or question.\n");
		objForm.f5.value = trim(objForm.f5.value);
		objForm.f5.focus();
		return false;
	}
	
	//objForm.fform.value = "Please wait...";
	objForm.fform.disabled = true;
	
	return true;
}