/* top nav drop down menus */
startList = function() {
	if (document.all&&document.getElementById) {
		navRoot = document.getElementById("mainnav");
		for (i=0; i<navRoot.childNodes.length; i++) {
			node = navRoot.childNodes[i];
			if (node.nodeName=="LI") {
				node.onmouseover=function() {
				this.className+=" over";
				}
				node.onmouseout=function() {
				this.className=this.className.replace(" over", "");
				}
				
			}
		}
	
	}
	
}
window.onload=startList;

/* image swap */
	function ImgChange(img,imgSrc) {
		img.src = imgSrc;
		}
		
/* form validation */

function formValidate(formId)

{
  var result = true;

  if (formId.Name.value == "")
  {
 		alert('Please enter your full name');
    formId.Name.focus();
    result = false;
  }
  if (formId.Email.value == "")
  {
  	alert('Please enter a valid email address');
		formId.Email.focus();
		result = false;
  }
  return result;
}