function checkForm()
{
	mNv=document.cntctsfrm.FirstName.value;
	if (mNv=='') {
		alert('Please enter your first name.');
		return false;
	 }
	mNv=document.cntctsfrm.LastName.value;
	if (mNv=='') {
		alert('Please enter your last name.');
		return false;
	 }
	 
	mNv=document.cntctsfrm.EmailAddress.value; 
	var filter  = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;
	if (!filter.test(mNv) || mNv==''){
		alert('Please enter a valid Email Address.');
		return false;
 	}
	
	mNv=document.cntctsfrm.Phone1.value;
	if (mNv=='') {
		alert('Please enter a phone number.');
		return false;
	 }
	mNv=document.cntctsfrm.Comments.value;
	if (mNv=='') {
		alert('Please enter a comment.');
		return false;
	 }
}