<!--
function Popup() {
	window.open('','popupWindow','height=600,width=600,top=100,left=100,resizable=yes,toolbars=no,menubar=no,status=no,scrollbars=yes');
}

function PopupLg() {
	window.open('','popupWindow','height=600,width=950,top=100,left=100,resizable=yes,toolbars=no,menubar=no,status=no,scrollbars=yes');
}

var preloadFlag = false;
function PreloadImages() {
	if (document.images) {
		home_on = newImage("../images/nav/nav_home02.gif.htm");
		about_on = newImage("../images/nav/nav_about02.gif.htm");
		design_on = newImage("../images/nav/nav_design02.gif.htm");
		build_on = newImage("../images/nav/nav_build02.gif.htm");
		finance_on = newImage("../images/nav/nav_finance02.gif.htm");
		reviews_on = newImage("../images/nav/nav_reviews02.gif.htm");
		faqs_on = newImage("../images/nav/nav_faqs02.gif.htm");
		search_on = newImage("../images/nav/nav_search02.gif.htm");
		why_on = newImage("../images/nav/secnav_why02.gif.htm");
		warranty_on = newImage("../images/nav/secnav_warranty02.gif.htm");
		siteselect_on = newImage("../images/nav/secnav_siteselect02.gif.htm");
		materials_on = newImage("../images/nav/secnav_materials02.gif.htm");
		const_on = newImage("../images/nav/secnav_const02.gif.htm");
		specs_on = newImage("../images/nav/secnav_specs02.gif.htm");
		calc_on = newImage("../images/nav/secnav_calc02.gif.htm");
		contdesigner_on = newImage("../images/nav/secnav_contdesigner02.gif.htm");
		locations_on = newImage("../images/nav/secnav_locations02.gif.htm");
		pktrequest_on = newImage("../images/nav/secnav_pktrequest02.gif.htm");
		preloadFlag = true;
	}
}

function load(form) {
  var url = form.list.options[form.list.selectedIndex].value;
  if (url != "") location.href = url;
  return false;
}

function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function changeImages() {
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}

function printit(){
if (!window.print){
alert("Mac Users: Please use Cmd+P to print this page.")
return
}
window.print()
}

function floor(number)
{
  return Math.floor(number*Math.pow(10,2))/Math.pow(10,2);
}

function dosum()
{
  var mi = document.mcalc.IR.value / 1200;
  var base = 1;
  var mbase = 1 + mi;
  for (i=0; i<document.mcalc.YR.value * 12; i++)
  {
    base = base * mbase
  }
  document.mcalc.PI.value = floor(document.mcalc.LA.value * mi / ( 1 - (1/base)))
  document.mcalc.MT.value = floor(document.mcalc.AT.value / 12)
  document.mcalc.MI.value = floor(document.mcalc.AI.value / 12)
  var dasum = document.mcalc.LA.value * mi / ( 1 - (1/base)) +
	document.mcalc.AT.value / 12 + 
	document.mcalc.AI.value / 12;
  document.mcalc.MP.value = floor(dasum);
}

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_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_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];}
}

//-->