function changeView(rid)
{
  current=(document.getElementById(rid).style.display == 'none') ? 'block' : 'none';
  document.getElementById(rid).style.display = current;
}
function MM_findObj(n, d) { //v4.0
  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 && document.getElementById) x=document.getElementById(n); return x;
}

function MM_validateForm() { //v4.0
  var i,p,q,nm,test,num,min,max,errors='',args=MM_validateForm.arguments;
  for (i=0; i<(args.length-2); i+=3) { test=args[i+2]; val=MM_findObj(args[i]);
    if (val) { nm=val.name; if ((val=val.value)!="") {
      if (test.indexOf('isEmail')!=-1) { p=val.indexOf('@');
        if (p<1 || p==(val.length-1)) errors+='- '+nm+' must contain an e-mail address.\n';
      } else if (test!='R') {
        if (isNaN(val)) errors+='- '+nm+' must contain a number.\n';
        if (test.indexOf('inRange') != -1) { p=test.indexOf(':');
          min=test.substring(8,p); max=test.substring(p+1);
          if (val<min || max<val) errors+='- '+nm+' must contain a number between '+min+' and '+max+'.\n';
    } } } else if (test.charAt(0) == 'R') errors += '- '+nm+' is required.\n'; }
  } if (errors) alert('The following error(s) occurred:\n'+errors);
  document.MM_returnValue = (errors == '');
}

var lastForm = 'formTemplate';
function insertForm(spanID, productName) {
	if (document.getElementById(spanID).innerHTML == '') {
		document.getElementById(spanID).innerHTML = document.getElementById(lastForm).innerHTML;
		document.getElementById(lastForm).innerHTML = '';
		document.contactForm.productInterest.value = productName;
		lastForm = spanID;
	}
	else {
		document.getElementById('formTemplate').innerHTML = document.getElementById(spanID).innerHTML;
		document.getElementById(spanID).innerHTML = '';
		lastForm = 'formTemplate';
	}
}
function validateForm() {
	var errors = '';
    if (document.contactForm.strName.value == '') errors += 'Name is required\n';
    if (document.contactForm.strAddress.value == '') errors += 'Address is required\n';
    if (document.contactForm.strCity.value == '') errors += 'City is required\n';
    if (document.contactForm.strState.value == '') errors += 'State is required\n';
    if (document.contactForm.strZip.value == '') errors += 'Zip/Postal Code is required\n';
    if (document.contactForm.strEmail.value == '') errors += 'Email address is required\n';
    if (document.contactForm.strEmail.value.indexOf('@') == -1) errors += 'Please provide a valid Email address\n';
    if (document.contactForm.txtCAPTCHA.value == '') errors += 'Validation code is required\n';
    if (errors != '') {
		alert (errors);
		return false;
	}
}
