// JavaScript Document
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 imageChange(imageID)
{
	document.steps.global.src = imageID;
}

function setBalance(payment)
{
		payment = payment.replace("$", "");
		var totalamount = document.payinvoice.totalamount.value;
		totalamount = totalamount.replace("$", "");
		var balance = '$' + (parseFloat(totalamount) - parseFloat(payment));
		document.getElementById('totalbalance').innerHTML = balance;
		document.payinvoice.balance.value = balance;
}

function showlayers(layerID, layer)
{
	if (layer == "other")
	{
		var status = document.getElementById(layerID).style.display;
		if (status == "block")
		{
			document.getElementById(layerID).style.display = "none";
		}
		else
		{
			document.getElementById(layerID).style.display = "block";
		}
	}
	else
	{
		document.getElementById(layerID).style.display = "none";
	}
}

function formatCurrency(strValue)
{
        strValue = strValue.toString().replace(/\$|\,/g,'');
        dblValue = parseFloat(strValue);

        blnSign = (dblValue == (dblValue = Math.abs(dblValue)));
        dblValue = Math.floor(dblValue*100+0.50000000001);
        intCents = dblValue%100;
        strCents = intCents.toString();
        dblValue = Math.floor(dblValue/100).toString();
        if(intCents<10)
                strCents = "0" + strCents;
        for (var i = 0; i < Math.floor((dblValue.length-(1+i))/3); i++)
                dblValue = dblValue.substring(0,dblValue.length-(4*i+3))+','+
                dblValue.substring(dblValue.length-(4*i+3));
        return (((blnSign)?'':'-') + '$' + dblValue + '.' + strCents);
}


function total(inAmount, turnedon)
{
	var currenttotal= document.getElementById('amount').innerHTML;
	currenttotal = currenttotal.replace('$', '');
	if (turnedon == true)
	{
		currenttotal = parseFloat(inAmount) + parseFloat(currenttotal);
	}
	
	if (turnedon == false)
	{
		currenttotal = parseFloat(currenttotal) -  parseFloat(inAmount);
	}
	document.getElementById('amount').innerHTML = formatCurrency(currenttotal);
	document.store.totalamount.value = formatCurrency(currenttotal);
}