function validateForm(){

	form = document.forms['contactUs'];

	//setup an array of mandatory fields
	arrMandatory = new Array("Name","Company","Email");

	for(i=0;i<arrMandatory.length;i++){
		if(form[arrMandatory[i]].value == ""){
			alert(form[arrMandatory[i]].name + ' cannot be left blank.');
			return false;
		}
	}

	//if we got to here we are good to go
	form.submit();

}