function CheckValidation(frm){
if(frm.name.value==""){
			alert("Field required: Name.");
			frm.name.focus();
			return false;
		}
		
		if(frm.email.value==""){
			alert("Field required: E-mail.");
			frm.email.focus();
			return false;
		}
		var goodEmail = frm.email.value.match(/\b(^(\S+@).+((\.com)|(\.net)|(\.edu)|(\.mil)|(\.gov)|(\.org)|(\.info)|(\.sex)|(\.biz)|(\.aero)|(\.coop)|(\.museum)|(\.name)|(\.pro)|(\..{2,2}))$)\b/gi); 
		if (!goodEmail) { 
				alert("Incorrect email format."); 
			frm.email.focus(); 
			return false; 
			}
		
		if(frm.how_did_you_hear_of_us.value==""){
			alert("Field required: How did you hear of us?");
			frm.how_did_you_hear_of_us.focus();
			return false;
		}
		
		if(frm.topic_of_interest.value==""){
			alert("Field required: Topic of Interest.");
			frm.topic_of_interest.focus();
			return false;
		}
		
		
}