// General Functions ------------------------------------------------------------------------------------
function isEmpty (strValue) {
	return (! strValue.replace (/^(\s*)/, "", strValue));
}

function isValidEmail (emailStr) {

	var emailPat=/^(.+)@(.+)$/;
	var specialChars="\\(\\)<>@,;:\\\\\\\"\\.\\[\\]";
	var validChars="\[^\\s" + specialChars + "\]";
	var quotedUser="(\"[^\"]*\")";
	var ipDomainPat=/^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/;
	var atom=validChars + '+';
	var word="(" + atom + "|" + quotedUser + ")";
	var userPat=new RegExp("^" + word + "(\\." + word + ")*$");
	var domainPat=new RegExp("^" + atom + "(\\." + atom +")*$");

	var matchArray=emailStr.match(emailPat)
	if (matchArray==null) {
		return false; 
	}
	
	var user=matchArray[1];
	var domain=matchArray[2];
	
	if (user.match(userPat)==null) {
		return false; 
	}
	
	var IPArray=domain.match(ipDomainPat)
	if (IPArray!=null) {
		for (var i=1;i<=4;i++) {
			if (IPArray[i]>255) {
				return false; 
			}
		}
		return true;
	}
	
	var domainArray=domain.match(domainPat)
	if (domainArray==null) {
	    return false; 
	}

	var atomPat=new RegExp(atom,"g")
	var domArr=domain.match(atomPat)
	var len=domArr.length
	if (domArr[domArr.length-1].length<2 || 
		domArr[domArr.length-1].length>4) {
		return false; 
	}

	if (len<2) {
		return false; 
	}

	return true;
}


// Function for top navigation rollovers ----------------------------------------------------------

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_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_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];}
}

//Contact Form checking ------------------------------------------------------------------------------------
function checkContactComplete() {  
	var alert_message = ""; 

	if (isEmpty(window.document.contact.conName.value)) {
		alert_message = alert_message + "   - Your Name\n";
	}
	
	if (!isValidEmail(window.document.contact.conEmail.value)) {
		alert_message = alert_message + "   - A Valid Email Address\n";
	}

	if (isEmpty(window.document.contact.conMessage.value)) {
		alert_message = alert_message + "   - A Message\n";
	}								

	if (alert_message) { 
		alert ("CONTACT FORM:                                           \n\n"+
				"Sorry, but we still need:\n\n" + alert_message);
		return false;
	} else { 
		return true;
	}
}