function validate() {
	if (document.cform.name.value=="") {
		window.alert("Please enter your name!");
		document.cform.name.focus();
		return false;
	}else if(/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,4})+$/.test(document.cform.mail.value)==false) {
		window.alert("Please enter valid email address!");
		document.cform.mail.focus();
		return false;
		
	}else if (document.cform.best_contact_method.value=="") {
		window.alert("Please select best method to contact!");
		document.cform.best_contact_method.focus();
		return false;
	}else if (document.cform.comments.value=="") {
		window.alert("Please enter your questions / comments!");
		document.cform.comments.focus();
		return false;
	}else{
		return true;
	}
}