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];}
}

function checkform() {
	if (document.feedback_form.feedback_name.value == null || document.feedback_form.feedback_name.value.length == 0) {
		alert("\nPlease provide your full name.");
		document.feedback_form.feedback_name.focus();
		return false;
	} else if (!e(document.feedback_form.feedback_email.value)) {
		alert("Please include a proper e-mail address, of the form id@domain.zzz or id@domain.xx.zzz.");
		document.feedback_form.feedback_email.focus();
		return false;
	} else if (document.feedback_form.feedback_subject.value == null || document.feedback_form.feedback_subject.value.length == 0)  {
		alert("Please choose a subject for your message.");
		document.feedback_form.feedback_subject.focus();
		return false;
	} else if (document.feedback_form.feedback_referral.value == null || document.feedback_form.feedback_referral.value.length == 0)  {
		alert("Please tell us how you heard about us.");
		document.feedback_form.feedback_referral.focus();
		return false;
	} else if (document.feedback_form.feedback_message.value == null || document.feedback_form.feedback_message.value.length == 0)  {
		alert("Don't forget your message!");
		document.feedback_form.feedback_message.focus();
		return false;
	} else {
		return true;
	}
}

function val() {}

function e(s) 
{
	rex=true;
	if (window.RegExp) 
	{
		st="a";ex=new RegExp(st);
		if (st.match(ex)) 
		{
			r1=new RegExp("(@.*@)|(\\.\\.)|(@\\.)|(^\\.)");
			r2=new RegExp("^.+\\@(\\[?)[a-zA-Z0-9\\-\\.]+\\.([a-zA-Z]{2,3}|[0-9]{1,3})(\\]?)$");
			b=(!r1.test(s)&&r2.test(s));
		} else {
			rex=false;
		}
	} else {
	rex=false;
	}
	if(!rex) b=(s.indexOf("@")>0&&s.indexOf(".")>0&&s!=""&&s!="enter e-mail");
		return (b);
}

function f(h) 
{
	h.focus();
	h.select();
}

function val(fld) 
{
	s=fld.value;
	if(e(s)) 
	{
		if (checkform()) 
		{
		}	else 	{
			return false;
		}

		if (clearform()); 
	
	} else {
		alert("Please include a proper e-mail address, of the form id@domain.zzz or id@domain.xx.zzz.");
		document.feedback_form.feedback_email.focus();
		return false;
	}
}

function openSlideShow() {
	window.open('slideshow/portfolio_slideshow.htm','','height=600,width=900,scrollbars=auto');
}

function showYear() {
	var today = new Date();
	var curYear = today.getYear();
	return curYear;
}