// 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 MM_validateForm() { //v4.0
  var i,p,q,nm,test,num,min,max,errors='',args=MM_validateForm.arguments;
  for (i=0; i<(args.length-2); i+=3) { test=args[i+2]; val=MM_findObj(args[i]);
    if (val) { nm=val.id; if ((val=val.value)!="") {
      if (test.indexOf('isEmail')!=-1) { p=val.indexOf('@');
        if (p<1 || p==(val.length-1)) errors+='- '+nm+' must contain an e-mail address.\n';
      } else if (test!='R') { num = parseFloat(val);
        if (isNaN(val)) errors+='- '+nm+' must contain a number.\n';
        if (test.indexOf('inRange') != -1) { p=test.indexOf(':');
          min=test.substring(8,p); max=test.substring(p+1);
          if (num<min || max<num) errors+='- '+nm+' must contain a number between '+min+' and '+max+'.\n';
    } } } else if (test.charAt(0) == 'R') errors += '- '+nm+' is required.\n'; }
  } 
 
  if (errors) alert('The following error(s) occurred:\n'+errors);
  document.MM_returnValue = (errors == '');
}

function showTypes(){
		document.form1.flag.value='';
		form1.submit();
}


function rentType(frm){
		if (document.frm.type.value == "Rent"){
			docuemnt.frm.renttype.style = true;
		}
}

function confirmDel(frm,msg){
	if(confirm(msg) == true){
		frm.submit();
	}
}


function signup()
{
var membership_choice = false;
	for (counter = 0;  counter < frmsignup1.membership.length; counter++)
	{
		if (frmsignup1.membership[counter].checked){
		membership_choice = true; 
		}
	}
		if (!membership_choice)
		{
		alert("Please select membership type.");
		return (false);
		}
return (true);
}

function openWin(img,wh,ht) {
  winId = window.open('','star','toolbar=no, right-margin=0, left-margin=0, top-margin=0, status=no, scrollbars=no, width='+wh+', height='+ht);
  winId.document.write('<html><head><title>Property Image</title></head><body background="' + img + '" onLoad="if (window.focus) window.focus()" bgproperties="fixed">');
  winId.document.write('</body></html>');
  winId.document.close();
}

// mortgage calc

    function checkNumber(input, min, max, msg) {

        msg = msg + " field has invalid data: " + input.value;

        var str = input.value;
        for (var i = 0; i < str.length; i++) {
            var ch = str.substring(i, i + 1)
            if ((ch < "0" || "9" < ch) && ch != '.') {
                alert(msg);
                return false;
            }
        }
        var num = 0 + str
        if (num < min || max < num) {
            alert(msg + " not in range [" + min + ".." + max + "]");
            return false;
        }
        input.value = str;
        return true;
    }

    function computeField(input) {

        if (input.value != null && input.value.length != 0)
            input.value = "" + eval(input.value);
        computeForm(input.form);
    }

    function computeForm(form) {

        if ((form.payments.value == null || form.payments.value.length == 0) ||
            (form.interest.value == null || form.interest.value.length == 0) ||
            (form.principal.value == null || form.principal.value.length == 0)) {
            return;
        }

        if (!checkNumber(form.payments, 1, 480, "# of payments") ||
            !checkNumber(form.interest, .001, 99, "Interest") ||

            !checkNumber(form.principal, 100, 10000000, "Principal")) {
            form.payment.value = "Invalid";
            return;
        }

        var i = form.interest.value;
        
        if (i > 1.0) {
            i = i / 100.0;
           // form.interest.value = i;
        }
        i /= 12;

        var pow = 1;
        for (var j = 0; j < form.payments.value; j++)
            pow = pow * (1 + i);
        form.payment.value = (form.principal.value * pow * i) / (pow - 1)
    }

    function clearForm(form) {
        form.payments.value = "";
        form.interest.value = "";
        form.principal.value = "";
		form.payment.value="";
    }

// mortgage calc

function SubmitPropertysearch(action){
	document.propertysearch.action = action;
	document.propertysearch.submit();
}
