function checkFields(){
	if(document.form1.Fname.value==""){
		alert("Please input First Name");
		document.form1.Fname.focus();
		return;
	}
	if(document.form1.Lname.value==""){
		alert("Please input Last Name");
		document.form1.Lname.focus();
		return;
	}
	if(document.form1.Telephone.value==""){
		alert("Please input Phone");
		document.form1.Telephone.focus();
		return;
	}
	if(document.form1.Email.value!=""){
		var re = new RegExp("^[a-z0-9][a-z0-9\._-]+@[a-z][a-z0-9_-]+(\.[a-z][a-z0-9_-]+)+$","i");
			if (!re.test(document.form1.Email.value)) {
				 alert("Please input Legal e-mail")
				 document.form1.Email.value="";
				 document.form1.Email.focus();
				 return;
		    }	
	}
	if(document.form1.Comments.value==""){
		alert("Please input Message");
		document.form1.Comments.focus();
		return;
	}
	document.form1.submit();
}