// JavaScript Document

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

//Basic Rollover//

<!--
function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}
function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

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;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}
//-->


// Email form - general three part validation and clear//


function validEmail(email) {
			invalidChars = " /:,;"
	
			if (email == "") {						
				return false
			}
			for (i=0; i<invalidChars.length; i++) {	
				badChar = invalidChars.charAt(i)
				if (email.indexOf(badChar,0) > -1) {
					return false
				}
			}
			atPos = email.indexOf("@",1)			
			if (atPos == -1) {
				return false
			}

			if (email.indexOf("@",atPos+1) != -1) {	
				return false
			}
			periodPos = email.indexOf(".",atPos)
			if (periodPos == -1) {					
				return false
			}
			if (periodPos+3 > email.length)	{		
				return false
			}
			return true
		}


function ConfirmCancel (){
  if (confirm("Are you sure you want to clear the form? Click OK to clear it."))
   {
      document.contactForm.reset()
   }
  return true
}


// contact form//

function validate() {
	if (document.contactForm.name.value == ""){
		alert("Please enter your name.")
		document.contactForm.name.focus()
		document.contactForm.name.select()
		return false
		}
		

	if (!validEmail(document.contactForm.emailAddr.value)) {
		alert("Invalid email address")
		document.contactForm.emailAddr.focus()
		document.contactForm.emailAddr.select()
		return false
	}

	
	eSubject = document.contactForm.subject.selectedIndex
	if (document.contactForm.subject.options[eSubject].value==""){
		alert("Please select a subject for your message.")
		document.contactForm.subject.focus()
		return false
		}	

	if (document.contactForm.message.value == ""){
		alert("Please enter a message.")
		document.contactForm.message.focus()
		document.contactForm.message.select()
		return false
		}

	return true
}