function PictureChange(fld, dir) {
	var img = eval('document.images.img' + fld);
	var o = eval('document.forms[0].' + fld + '.options');
	for (i=0; i< o.length; i++) {
		if (o[i].selected) {
			if (o[i].value == '') 
				img.src = '/_Images/1x1.gif';
			else
				img.src = dir + o[i].value;
			return
		}
	}
}

function CheckDel() {
  if (confirm("Are you sure you want to delete this entry?\nThis operation cannot be undone."))
    return true;
  else
    return false;
}

function JSTrim(s) {
	var i, FirstPos = 0, LastPos;

	if (typeof(s) != 'string') {
		return s;
	}
	
	LastPos = s.length;
	
	for (i = 0; i < s.length; i++) {
		if (s.charAt(i) != ' ') {
			break;
		}
		FirstPos++;
	}
	
	for (i = s.length - 1; i >= 0; i--) {
		if (s.charAt(i) != ' ') {
			break;
		}
		LastPos--;
	}
	
	if (LastPos == 0) {
		return "";
	} else {
		return s.substring(FirstPos, LastPos);
	}
	
}

function FieldOk(fld, fname) {
	if (JSTrim(fld.value) == '') {
		alert('Please provide a value for: ' + fname);
		fld.focus();
		return false;
	}
	return true;
}

function MM_findObj(n, d) { //v3.0
  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); 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 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 openWindow(url){
	newWindow = window.open(url, 'popup', 'toolbar=no,status=no,scrollbars=no,dependant,resizable=no,width=480,height=500,left=yes,top=yes');
	newWindow.focus();
}

function wopen(url) {
	var w = window.open('http://' + url, 'w', 'toolbar=yes,location=yes,directories=no,status=yes,menubar=yes,scrollbars=yes,resizable=yes,copyhistory=no,width=600,height=500,top=50,left=50')
	w.focus();
	return false;
}

function popwin(url){ 
   popw = window.open(url,'Menu','toolbar=0,width=600,height=285,location=0,directories=0,top=50,left=50,status=0,menubar=0,scrollbars=1,resizable=0')
   popw.focus()
}

function popwinlarge(url){ 
   popw = window.open(url,'Menu','toolbar=1,width=800,height=600,location=1,directories=1,top=50,left=50,status=1,menubar=1,scrollbars=1,resizable=1')
   popw.focus()
}

function Validator(theForm){
	var errorFound = 0;
	var strError = 'The following fields need to be completed:\n\n';
	var str=theForm.email.value;
	var filter=/^.+@.+\..{2,3}$/;

  if (theForm.name.value == ""){
    strError = strError + "- Name\n";
    errorFound = 1;
  }

  if (theForm.comments.value == ""){
    strError = strError + "- Comments/Questions\n";
		errorFound = 1;
  }

	if (filter.test(str)){
	
	}
	else{

  {
    strError = strError + "- Email Address\n";
    errorFound = 1;
  }

}

  if (errorFound == 1) {
	alert(strError);
	return false;
  } else {
	return true;
  }
}


if (document.images){ 
	HomeImg01 = new Image
	HomeImg02 = new Image
	HomeImg03 = new Image
	HomeImg04 = new Image
	HomeImg05 = new Image
	HomeImg06 = new Image
	HomeImg07 = new Image
	HomeImg08 = new Image
	HomeImg09 = new Image
	HomeImg10 = new Image
	HomeImg11 = new Image
	HomeImg12 = new Image
	HomeImg13 = new Image
	HomeImg14 = new Image
	HomeImg15 = new Image
	HomeImg16 = new Image
	HomeImg17 = new Image
	HomeImg18 = new Image
	HomeImg19 = new Image
	
	HomeImg01.src = "/images/header2_logo.gif"
	HomeImg02.src = "/images/btn2_from_president_a.gif"
	HomeImg03.src = "/images/btn2_history_b.gif"
	HomeImg04.src = "/images/btn2_heating_a.gif"
	HomeImg05.src = "/images/btn2_cooling_a.gif"
	HomeImg06.src = "/images/btn2_oil_deliveries_a.gif"
	HomeImg07.src = "/images/btn2_system_guard_a.gif"
	HomeImg08.src = "/images/btn2_client_survey_a.gif"
	HomeImg09.src = "/images/btn2_contact_a.gif"
	HomeImg10.src = "/images/header2_top.gif"
	HomeImg11.src = "/images/header2_mid1.gif"
	HomeImg12.src = "/images/header2_mid2.gif"
	HomeImg13.src = "/images/header2_btm.gif"
	HomeImg14.src = "/images/images_rt.jpg"
	HomeImg15.src = "/images/left_column_blend2.gif"
	HomeImg16.src = "/images/bgTile_subpages.gif"
	HomeImg17.src = "/images/img_cooling_systems.jpg"
	HomeImg18.src = "/images/img_heating_systems.jpg"
	HomeImg19.src = "/images/img_system_guard_6.jpg"
	
}
else {
	HomeImg01 = ""
	HomeImg02 = ""
	HomeImg03 = ""
	HomeImg04 = ""
	HomeImg05 = ""
	HomeImg06 = ""
	HomeImg07 = ""
	HomeImg08 = ""
	HomeImg09 = ""
	HomeImg10 = ""
	HomeImg11 = ""
	HomeImg12 = ""
	HomeImg13 = ""
	HomeImg14 = ""
	HomeImg15 = ""
	HomeImg16 = ""
	HomeImg17 = ""
	HomeImg18 = ""
	HomeImg19 = ""
	
}