function validateContactusForm(){
	var root = document.contactus;
	if(	root.name.value =='' ||
		root.email.value =='' || 
		root.phone.value=='' || 
		root.subject.value =='' ||
		root.content.value ==''){
		jQuery.facebox("Please fill in all the fields");
		return false;
	}
	var reg = /^([A-Za-z0-9_\-\.])+\@([A-Za-z0-9_\-\.])+\.([A-Za-z]{2,4})$/;
	if(reg.test(root.email.value) == false) {
		jQuery.facebox("Wrong email format!");
		return false;
	}
	
	return true;
}