function ValidateForm()
{
	if (MM_findObj("field_name").value == "") {
		alert("You must enter your name.");
		MM_findObj("field_name").focus();
		return false;
	}

	var at = MM_findObj("field_email").value.indexOf("@");
	var dot = MM_findObj("field_email").value.lastIndexOf(".");
	if (at < 1 || dot <= at) {
		alert("Your email appears to be incorrect.");
		MM_findObj("field_email").focus();
		return false;
	}

	if (MM_findObj("field_msg").value == "") {
		alert("Please enter your question or message.");
		MM_findObj("field_msg").focus();
		return false;
	}
 
   return true;
}	

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}