navHover = function() {
		var lis = document.getElementById("navmenu").getElementsByTagName("LI");
		for (var i=0; i<lis.length; i++) {
			lis[i].onmouseover=function() {
				this.className+=" iehover";
			}
			lis[i].onmouseout=function() {
				this.className=this.className.replace(new RegExp(" iehover\\b"), "");
			}
		}
	}
if (window.attachEvent) window.attachEvent("onload", navHover);

function checkForm(daForm) {
	var arrVar = new Array();
	var error = false;
	arrVar[0] = document.getElementById('field1').value;
	arrVar[1] = document.getElementById('field2').value;
	arrVar[2] = document.getElementById('field3').value;
	arrVar[3] = document.getElementById('field4').value;
	for(var i = 0;i < arrVar.length;i++) {
		if(arrVar[i] == '') {
			error = true;
		}
	}
	if(error) {
		alert('Please fill in all fields and submit the form again');
		return false;
	}
	daForm.submit();
}