function IsNumeric(sText)
{
	var ValidChars = "0123456789.";
	var IsNumber=true;
	var Char;
	for (i = 0; i < sText.length && IsNumber == true; i++) 
	{ 
		Char = sText.charAt(i); 
		if (ValidChars.indexOf(Char) == -1) 
		{
			IsNumber = false;
		}
	}
	return IsNumber;
}
function addCommas(nStr)
{
	nStr += '';
	x = nStr.split('.');
	x1 = x[0];
	x2 = x.length > 1 ? '.' + x[1] : '';
	var rgx = /(\d+)(\d{3})/;
	while (rgx.test(x1)) {
		x1 = x1.replace(rgx, '$1' + ',' + '$2');
	}
	return x1 + x2;
}

function calcTotal(thisid, thisfactor, resultbox) {
	var thisValue = thisid;
	if(thisValue != "" && IsNumeric(thisValue)) {
		var total = thisValue * thisfactor;
		document.getElementById(resultbox).innerHTML = "$" + addCommas(total.toFixed(2));
	}
	else if(thisValue != "") {
		document.getElementById(resultbox).innerHTML = "Cost per unit must be numeric";
	}
	//alert(thisValue);
}
function submitform() {
	document.searchform.submit();
}
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];}
}
function emptytext(thisitem) {
	thisitem.value = "";
}
function restoretext(thisitem, thistext) {
	if(thisitem.value == "") {
		thisitem.value = thistext;
	}
}
function sortresults(thisfield) {
	document.staffsearchform.sortcolumn.value = thisfield;
	document.staffsearchform.submit();
}
function viewpageid(thispage, thisid, thiswidth, thisheight) {
	var thiswindow;
	thiswindow = window.open(thispage + '@id=' + thisid, 'viewpage', 'width=' + thiswidth + ',height=' + thisheight + ',scrollbars,resizable');
	thiswindow.focus();
}
function viewpagephoto(thispage, thisid, thiswidth, thisheight) {
	var thiswindow;
	thiswindow = window.open(thispage + '@id=' + thisid, 'photopage', 'width=' + thiswidth + ',height=' + thisheight + ',scrollbars,resizable');
	thiswindow.focus();
}
function viewpagephoto_big(thispage, thisid, thiswidth, thisheight) {
	var thiswindow;
	thiswindow = window.open(thispage + '@id=' + thisid, 'photopage_large', 'width=' + thiswidth + ',height=' + thisheight + ',scrollbars,resizable');
	thiswindow.focus();
}
function viewpage(thispage, thiswidth, thisheight) {
	var thiswindow;
	thiswindow = window.open(thispage, 'viewpage2', 'width=' + thiswidth + ',height=' + thisheight + ',scrollbars,resizable');
	thiswindow.focus();
}
function viewimage(thisimg, thiswidth, thisheight) {
	var thiswindow;
	thiswindow = window.open('viewimage.php@id=' + thisimg, 'viewphoto', 'width=' + thiswidth + ',height=' + thisheight + ',scrollbars,resizable');
	//alert('viewimage.php@id=' + thisimg);
	thiswindow.focus();
}
function viewphotogallery(thisimg, thiswidth, thisheight) {
	var thiswindow;
	thiswindow = window.open('viewphotogallery.php@id=' + thisimg, 'viewphotogallery', 'width=' + thiswidth + ',height=' + thisheight + ',scrollbars,resizable');
	//alert('viewimage.php@id=' + thisimg);
	thiswindow.focus();
}
function closethiswindow() {
	window.close();
	window.opener.focus();
}
function submitnewsform() {
		document.viewschoolnews.submit();
}
function eventcalmonth(thism, thisy) {
	document.showcaloptions.m.value = thism;
	document.showcaloptions.y.value = thisy;
	document.showcaloptions.submit();
}
function eventcalwk(thisdate) {
	document.showcaloptions.wk.value = thisdate;
	document.showcaloptions.submit();
}
function eventcalday(thisdate) {
	document.showcaloptions.d.value = thisdate;
	document.showcaloptions.submit();
}
function setonstate(thisfield) {
	//alert(thisfield.className);
	//thisfield.className = "on";
}
function viewimage(thisimg, thiswidth, thisheight) {
	var thiswindow;
	thiswindow = window.open('viewimage.php@id=' + thisimg, 'viewphoto', 'width=' + thiswidth + ',height=' + thisheight + ',scrollbars,resizable');
	thiswindow.focus();
}
function eventcalmonth(thism, thisy, thispage) {
	document.showcaloptions.m.value = "";
	document.showcaloptions.y.value = "";
	document.showcaloptions.d.value = "";
	document.showcaloptions.wk.value = "";
	document.showcaloptions.em.value = "";
	document.showcaloptions.m.value = thism;
	document.showcaloptions.y.value = thisy;
	document.showcaloptions.em.value = thism + "/" + thisy;
	document.showcaloptions.submit();
}
function eventcalchangewk(thiswk, thispage) {
	document.showcaloptions.m.value = "";
	document.showcaloptions.y.value = "";
	document.showcaloptions.d.value = "";
	document.showcaloptions.wk.value = "";
	document.showcaloptions.em.value = "";
	document.showcaloptions.wk.value = thiswk;
	document.showcaloptions.submit();
}
function eventcalchangeem(thisem, thispage) {
	document.showcaloptions.m.value = "";
	document.showcaloptions.y.value = "";
	document.showcaloptions.d.value = "";
	document.showcaloptions.wk.value = "";
	document.showcaloptions.em.value = "";
	document.showcaloptions.em.value = thisem;
	document.showcaloptions.submit();
}
function eventcalchangeday(thisd, thispage) {
	document.showcaloptions.m.value = "";
	document.showcaloptions.y.value = "";
	document.showcaloptions.d.value = "";
	document.showcaloptions.wk.value = "";
	document.showcaloptions.em.value = "";
	document.showcaloptions.d.value = thisd;
	document.showcaloptions.submit();
}

function eventcalwk(thisdate) {
	document.showcaloptions.wk.value = thisdate;
	document.showcaloptions.submit();
}
function eventcalday(thisdate) {
	document.showcaloptions.d.value = thisdate;
	document.showcaloptions.submit();
}
function setactivity(thisdd) {
	document.showcaloptions.m.value = "";
	document.showcaloptions.y.value = "";
	document.showcaloptions.d.value = "";
	document.showcaloptions.wk.value = "";
	document.showcaloptions.em.value = "";
	document.showcaloptions.onlysport.value = 1;
	document.showcaloptions.sport.value = thisdd.value;
	document.showcaloptions.submit();
}
// function to process calendar clicks
function calendarClick(caldate, calcell) {
	var currcolor = document.getElementById(calcell).style.backgroundColor;
	var currdates = window.parent.document.frmUpdate.selecteddates.value;
	var alreadyexists = -1;
	var alreadyexists = currdates.indexOf(caldate)
	if(currcolor == "#e2e2e2" || alreadyexists > 0) {
		//this means we are removing from the calendar
		var replacekey = "|" + caldate;
		currdates = currdates.replace(replacekey, "");
		window.parent.document.frmUpdate.selecteddates.value = currdates;
		document.getElementById(calcell).style.backgroundColor = '#ffffff';
	}
	else {
		//this means we are adding to the calendar
		currdates = currdates + "|" + caldate + "|";
		window.parent.document.frmUpdate.selecteddates.value = currdates;
		document.getElementById(calcell).style.backgroundColor = '#e2e2e2';
	}
	//alert(window.parent.document.frmUpdate.selecteddates.value);
}
function highlightcurrentdates() {
	var selecteddates = window.parent.document.frmUpdate.selecteddates.value;
	var eachdate = selecteddates.split("|");
	for(i = 0; i < eachdate.length; i++) {
		if(eachdate[i] != "") {
			var callid = "cell" + eachdate[i].replace("default.htm", "");
			callid = callid.replace("default.htm", "");
			//alert(callid);
			if(document.getElementById(callid)) {
				document.getElementById(callid).style.backgroundColor = '#e2e2e2';
			}
		}
	}
}

function showdiv(thisdiv) {
	var thiscurrdiv_nav_off =  "header_plus_" + thisdiv;
	document.getElementById(thiscurrdiv_nav_off).style.display = "none";
	var thiscurrdiv_nav_on =  "header_minus_" + thisdiv;
	document.getElementById(thiscurrdiv_nav_on).style.display = "block";
	var thiscurrdivon =  "content_" + thisdiv;
	document.getElementById(thiscurrdivon).style.display = "block";
}
function hidediv(thisdiv) {
	var thiscurrdiv_nav_off =  "header_plus_" + thisdiv;
	document.getElementById(thiscurrdiv_nav_off).style.display = "block";
	var thiscurrdiv_nav_on =  "header_minus_" + thisdiv;
	document.getElementById(thiscurrdiv_nav_on).style.display = "none";
	var thiscurrdivon =  "content_" + thisdiv;
	document.getElementById(thiscurrdivon).style.display = "none";
}

function showprodtab(tabname) {
	var prodtabs = new Array(6);
	prodtabs[0]="spec";
	prodtabs[1]="feat";
	prodtabs[2]="inst";
	prodtabs[3]="maint";
	prodtabs[4]="res";
	prodtabs[5]="warr";
	for (x in prodtabs)
	{
		if (tabname == prodtabs[x])
		{
			document.getElementById("proddetail_" + prodtabs[x]).className = "proddetailon";
			document.getElementById("prodtab_right_" + prodtabs[x]).src = "images/prodtab_right_on.jpg";
			document.getElementById("tablist_" + prodtabs[x]).style.background = "url(images/prodtab_back_on.jpg)";
			document.getElementById("tablist_" + prodtabs[x]).className = "on";
		}
		else
		{
			document.getElementById("proddetail_" + prodtabs[x]).className = 'proddetailoff';
			document.getElementById("prodtab_right_" + prodtabs[x]).src = "images/prodtab_right.jpg";
			document.getElementById("tablist_" + prodtabs[x]).style.background = "url(images/prodtab_back.jpg)";
			document.getElementById("tablist_" + prodtabs[x]).className = "";
		}
	}
}

function showprodtab_hcs(tabname) {
	var prodtabs = new Array(6);
	prodtabs[0]="feat";
	prodtabs[1]="inst";
	prodtabs[2]="maint";
	prodtabs[3]="res";
	prodtabs[4]="warr";
	for (x in prodtabs)
	{
		if (tabname == prodtabs[x])
		{
			document.getElementById("proddetail_" + prodtabs[x]).className = "proddetailon";
			document.getElementById("prodtab_right_" + prodtabs[x]).src = "images/prodtab_right_on.jpg";
			document.getElementById("tablist_" + prodtabs[x]).style.background = "url(images/prodtab_back_on.jpg)";
			document.getElementById("tablist_" + prodtabs[x]).className = "on";
		}
		else
		{
			document.getElementById("proddetail_" + prodtabs[x]).className = 'proddetailoff';
			document.getElementById("prodtab_right_" + prodtabs[x]).src = "images/prodtab_right.jpg";
			document.getElementById("tablist_" + prodtabs[x]).style.background = "url(images/prodtab_back.jpg)";
			document.getElementById("tablist_" + prodtabs[x]).className = "";
		}
	}
}

function showprodtab_pack(tabname) {
	var prodtabs = new Array(6);
	prodtabs[0]="forcedair";
	prodtabs[1]="boiler";
	prodtabs[2]="hotwater";
	prodtabs[3]="spa";
	prodtabs[4]="pool";
	for (x in prodtabs)
	{
		if (tabname == prodtabs[x])
		{
			document.getElementById("proddetail_" + prodtabs[x]).className = "proddetailon";
			document.getElementById("prodtab_right_" + prodtabs[x]).src = "images/prodtab_right_on.jpg";
			document.getElementById("tablist_" + prodtabs[x]).style.background = "url(images/prodtab_back_on.jpg)";
			document.getElementById("tablist_" + prodtabs[x]).className = "on";
		}
		else
		{
			document.getElementById("proddetail_" + prodtabs[x]).className = 'proddetailoff';
			document.getElementById("prodtab_right_" + prodtabs[x]).src = "images/prodtab_right.jpg";
			document.getElementById("tablist_" + prodtabs[x]).style.background = "url(images/prodtab_back.jpg)";
			document.getElementById("tablist_" + prodtabs[x]).className = "";
		}
	}
}

function tabover(tabname) {
	if (document.getElementById("tablist_" + tabname).className != "on") {
		document.getElementById("tablist_" + tabname).style.background = "url(images/prodtabover_back.jpg)";
		document.getElementById("prodtab_right_" + tabname).src = "images/prodtabover_right.jpg";
	}
}

function tabout(tabname) {
	if (document.getElementById("tablist_" + tabname).className != "on") {
		document.getElementById("tablist_" + tabname).style.background = "url(images/prodtab_back.jpg)";
		document.getElementById("prodtab_right_" + tabname).src = "images/prodtab_right.jpg";
	}
}

var currtestimonial = 0;
var numtestimonials = 0;

function nexttestimonial() {
	var nexttest = currtestimonial + 1;
	if (nexttest > (numtestimonials - 1)) {
		nexttest = 0;
	}
	showtestimonial(nexttest);
}

function prevtestimonial() {
	var nexttest = currtestimonial - 1;
	if (nexttest < 0) {
		nexttest = numtestimonials - 1;
	}
	showtestimonial(nexttest);
}

function showtestimonial(thistestimonial) {
	document.getElementById('testimonialmod_' + currtestimonial).className = 'hidetestimonial';
	document.getElementById('testimonialmod_' + thistestimonial).className = 'showtestimonial';
	currtestimonial = thistestimonial;
}

var currspecial = 0;
var numspecials = 0;

function nextspecial() {
	var nextspec = currspecial + 1;
	if (nextspec > (numspecials - 1)) {
		nextspec = 0;
	}
	showspecial(nextspec);
}

function prevspecial() {
	var nextspec = currspecial - 1;
	if (nextspec < 0) {
		nextspec = numspecials - 1;
	}
	showspecial(nextspec);
}

function showspecial(thisspecial) {
	document.getElementById('specialmod_' + currspecial).className = 'hidespecial';
	document.getElementById('specialmod_' + thisspecial).className = 'showspecial';
	currspecial = thisspecial;
}

function setzipprod() {
	if (document.prodform.prod_wm.checked) {
		document.zipform.prod_wm.value = "y";
		document.cityform.prod_wm.value = "y";	
	} else {
		document.zipform.prod_wm.value = "";
		document.cityform.prod_wm.value = "";
	}
	if (document.prodform.prod_wmp.checked) {
		document.zipform.prod_wmp.value = "y";
		document.cityform.prod_wmp.value = "y";	
	} else {
		document.zipform.prod_wmp.value = "";
		document.cityform.prod_wmp.value = "";
	}
	if (document.prodform.prod_hl.checked) {
		document.zipform.prod_hl.value = "y";
		document.cityform.prod_hl.value = "y";	
	} else {
		document.zipform.prod_hl.value = "";
		document.cityform.prod_hl.value = "";
	}
	if (document.prodform.prod_flex.checked) {
		document.zipform.prod_flex.value = "y";
		document.cityform.prod_flex.value = "y";	
	} else {
		document.zipform.prod_flex.value = "";
		document.cityform.prod_flex.value = "";
	}
	document.zipform.submit();
}

function setcityprod() {
	if (document.prodform.prod_wm.checked) {
		document.zipform.prod_wm.value = "y";
		document.cityform.prod_wm.value = "y";	
	} else {
		document.zipform.prod_wm.value = "";
		document.cityform.prod_wm.value = "";
	}
	if (document.prodform.prod_wmp.checked) {
		document.zipform.prod_wmp.value = "y";
		document.cityform.prod_wmp.value = "y";	
	} else {
		document.zipform.prod_wmp.value = "";
		document.cityform.prod_wmp.value = "";
	}
	if (document.prodform.prod_hl.checked) {
		document.zipform.prod_hl.value = "y";
		document.cityform.prod_hl.value = "y";	
	} else {
		document.zipform.prod_hl.value = "";
		document.cityform.prod_hl.value = "";
	}
	if (document.prodform.prod_flex.checked) {
		document.zipform.prod_flex.value = "y";
		document.cityform.prod_flex.value = "y";	
	} else {
		document.zipform.prod_flex.value = "";
		document.cityform.prod_flex.value = "";
	}
	document.cityform.submit();
}