// JavaScript Document
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 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 MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}
function calculate() {
	var month1 = document.qual.month1.value;
	var month2 = document.qual.month2.value;
	var month3 = document.qual.month3.value;
	var month4 = document.qual.month4.value;
	var month5 = document.qual.month5.value;
	var month6 = document.qual.month6.value;
	/*window.alert(formatCurrency(parseFloat(filterNum(month2) + filterNum(month2))));*/
	/*total = formatCurrency(parseFloat(filterNum(month1) + filterNum(month2)));*/
	total = ((parseFloat(filterNum(month1)) + parseFloat(filterNum(month2)) + parseFloat(filterNum(month3)) + parseFloat(filterNum(month4)) + parseFloat(filterNum(month5)) + parseFloat(filterNum(month6))) / 6);
	/*window.alert("total - " + total);*/
	document.getElementById("QualTotal").innerHTML = formatCurrency(total);
}
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);
}
function filterNum(InValue) {
	var Formatted = "";
	var allowable = "0123456789.-";
	for (var i = 0; i <= InValue.length; i++) {
		if(allowable.indexOf(InValue.charAt(i)) != -1) {
			Formatted = Formatted.toString() + InValue.charAt(i).toString();
		}
	}
	return Formatted;
}