/**
 * @author marshall
 */
try { 
xmlhttp = new ActiveXObject("Msxml2.XMLHTTP"); 
} catch (e) { 
try { 
xmlhttp = new ActiveXObject("Microsoft.XMLHTTP"); 
} catch (E) { 
xmlhttp = false; 
} 
} 
if (!xmlhttp && typeof XMLHttpRequest != 'undefined') { 
xmlhttp = new XMLHttpRequest(); 
}

function showPage(inPage, inID) {
	objID =	document.getElementById(inID);
	xmlhttp.open("GET", inPage);
	xmlhttp.onreadystatechange = function() {
		if (xmlhttp.readyState == 4 && xmlhttp.status == 200) {
			objID.innerHTML = xmlhttp.responseText;
		}
	};
	xmlhttp.send(null);
}

function MM_preloadImages() {
  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() { 
  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) {
  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() {
  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 showImage(imageName, inID) 
{
	document.getElementById(inID).src = '' + imageName;
}

function checkValue(inValue) {
	var ValidChars = "0123456789.$";
   	var IsNumber=true;
   	var Char;
    for (i = 0; i < inValue.length && IsNumber == true; i++) { 
      Char = inValue.charAt(i); 
      if (ValidChars.indexOf(Char) == -1) {
         	IsNumber = false;
    	}
    }
   
   if (IsNumber) {
   		calculateEstimate();
   }
   else {
   		alert ('Please Enter a Number.');
   }
}

function calculateEstimate() {
	var sqft = document.pricecalculator.sqft.value;
	var pricesqft = document.pricecalculator.pricesqft.value;
	var installsqft = document.pricecalculator.installsqft.value;
	pricesqft = pricesqft.replace('$', '');
	installsqft = installsqft.replace('$', '');
	if ((sqft != "") && (pricesqft != "") && (installsqft != "")) {
		var finalprice = ((parseFloat(sqft) * parseFloat(pricesqft)) + (parseFloat(sqft) * parseFloat(installsqft))) * 1.06;
		document.getElementById('finalprice').innerHTML = formatCurrency(finalprice);
	}
}

function formatCurrency(num) {
num = num.toString().replace(/\$|\,/g,'');
if(isNaN(num))
num = "0";
sign = (num == (num = Math.abs(num)));
num = Math.floor(num*100+0.50000000001);
cents = num%100;
num = Math.floor(num/100).toString();
if(cents<10)
cents = "0" + cents;
for (var i = 0; i < Math.floor((num.length-(1+i))/3); i++)
num = num.substring(0,num.length-(4*i+3))+','+
num.substring(num.length-(4*i+3));
return (((sign)?'':'-') + '$' + num + '.' + cents);
//return (((sign)?'':'-') + num + '.' + cents);
}


function checkState() {
	
}